{"title":"Astell \u0026 Kern","description":"Shop Astell \u0026amp; Kern ultimate high-resolution digital audio players (DAPs), portable players, amplifiers, in-ear monitor (IEM) earphones and more. \u003cstrong\u003e\u003ca href=\"javascript:;\" onclick=\"tidioChatApi.display(true);tidioChatApi.open()\"\u003eLive chat\u003c\/a\u003e\u003c\/strong\u003e, \u003cstrong\u003e\u003ca href=\"mailto:info@audio46.mom\"\u003eemail us\u003c\/a\u003e\u003c\/strong\u003e, or call \u003ca href=\"tel:212-354-6424\"\u003e(212) 354-6424\u003c\/a\u003e during store hours if you need help. Our team of experts will be glad to answer questions and help find the perfect Astell\u0026amp;Kern product for your needs and budget.","products":[{"product_id":"astell-kern-hi-fi-stereo-aux-cable-pee31-pure-4n-silver-occ-7n-copper","title":"Astell \u0026 Kern PEE31 Hi-Fi Stereo AUX Cable - Discontinued","description":"\u003ch2\u003eAstell \u0026amp; Kern - PEE31 Hi-Fi Stereo AUX Cable\u003c\/h2\u003e\n\u003cp\u003eAudio signals are delivered efficiently and faithfully via two 4N sterling silver cores and two oxide-free 7N OCC copper cores customarily used in high-end hi-fi cables. Audio is transmitted losslessly, covering the full range from the lows to the highs.\u003c\/p\u003e\n\u003cp\u003eThe gold-plated aluminium connectors are a perfect fit for the Astell\u0026amp;Kern brand.\u003c\/p\u003e\n\u003cp\u003eConnect to any number of products featuring 3.5-mm output to enjoy music at a higher level.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eEasy connection to various audio devices such as automotive head units, \u003c\/span\u003e\u003cbr class=\"lg\"\u003e\u003cspan\u003esmartphones, gaming devices, TVs, and other audio products\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHybrid pure silver and copper cable for hi-fi sound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGold-plated aluminium connector heads for minimal signal loss and noise\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOptimal 4 ft (1.2 m) cable length\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINCLUDED ACCESSORIES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Auxiliary\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e Devices with 3.5 mm audio output \/ 3.5 mm to 3.5 mm cable\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWire:\u003c\/strong\u003e 4N pure silver and 7N OCC copper hybrid 4-conductor wire\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Gold-plated aluminium\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 39.37 in. (1.2 m)\u003c\/p\u003e\n\u003ch4\u003e\u003c\/h4\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":18291600949363,"sku":"AKPEE31","price":99.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/ak_pee3cable_4.jpg?v=1759441110"},{"product_id":"astell-kern-ak-cd-ripper-mkii","title":"Astell \u0026 Kern AK CD-Ripper MKII - Discontinued","description":"\u003cp\u003eEffortlessly rip CDs directly to your Astell\u0026amp;Kern music player.\u003c\/p\u003e\n\u003ch2\u003eAstell \u0026amp; Kern - AK CD-Ripper MKII\u003c\/h2\u003e\n\u003ch3\u003ePerfect Extractor, The Second Story\u003c\/h3\u003e\n\u003cp\u003eAK CD-RIPPER MKII, the second model of AK CD-RIPPER, seamlessly delivers CD music to the Astell\u0026amp;Kern player with a single touch.\u003c\/p\u003e\n\u003cp\u003eMaintaining previous models' stable performance, the new model supports an enhanced design for more complete ripping.\u003c\/p\u003e\n\u003cp\u003eUse your AK CD-RIPPER MKII for smooth, trouble-free ripping of CD music to the Astell\u0026amp;Kern player.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"xxlarge\"\u003eConnections\u003c\/h3\u003e\n\u003cp\u003eYou can easily connect the AK CD-RIPPER MKII with Astell\u0026amp;Kern music players using the provided cable.\u003c\/p\u003e\n\u003cp\u003e* The AK CD-RIPPER MKII may not be properly recognized when using a power supply adapter rated at less than 5V 2A.\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"padder-upper\" data-block=\"\"\u003eConnect with the USB Type-C to Micro USB Cable or the Micro 5pin to Micro 5pin Cable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"xxlarge\"\u003eConvenient Ripping\u003c\/h3\u003e\n\u003cp\u003eCD ripping is simple and convenient with the AK CD-RIPPER MKII.\u003c\/p\u003e\n\u003cp\u003eBy setting up the ripping options in advance, the user can connect the AK CD-RIPPER MKII and simply touch the CD ripping icon to begin.\u003c\/p\u003e\n\u003cp\u003eThe connected Astell\u0026amp;Kern music player will access Gracenote's servers featuring the latest music data. Music and album cover information is automatically assigned to the ripped music files. The user also has the option to manually enter metadata such as album title, artist, genre, and year of release.\u003c\/p\u003e\n\u003cp\u003eFurthermore, the user can set the ripping speed (normal \/ fast \/ very fast) and file format (WAV \/ FLAC) through the settings menu.\u003c\/p\u003e\n\u003cp\u003e* You can begin ripping CDs after connecting and then activating the AK CD-RIPPER MKII from the Notification Bar.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"xxlarge\"\u003eDesign Concept\u003c\/h3\u003e\n\u003cp\u003eAK CD-RIPPER MK? combines distinctively-shaped components made with the best materials to operate securely at the highest standards of performance.\u003c\/p\u003e\n\u003cp\u003eThe main body’s insertion slot for the CD is now a rectangular shape for a more vivid design and has an increased weight to limit vibrations.\u003c\/p\u003e\n\u003cp\u003eThe device has a triangular support damper installed under its body. It uses a spring structure to manage vibrations that could result from CD rotation. As a result, music lovers can enjoy error-free ripping.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Screen_Shot_2017-09-26_at_10.18.39_AM.png?v=1506446401\"\u003e\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":18291996622963,"sku":"AKCDRIPPERMK2GM","price":499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/ak_cdrippermk2_2.jpg?v=1759441149"},{"product_id":"astell-kern-sp1000m-leather-case","title":"Astell \u0026 Kern Leather Case for A\u0026ultima SP1000M - Discontinued","description":"\u003cdiv\u003e\n\u003cp\u003eA\u0026amp;ultima SP1000M Case\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"PageContainer\"\u003e\u003cmain role=\"main\" class=\"main-content\"\u003e\n\u003cdiv class=\"wrapper wrapper--margins\"\u003e\n\u003cdiv class=\"product grid\"\u003e\n\u003cdiv class=\"product__content grid__item one-whole medium-down--one-whole\"\u003e\n\u003cdiv class=\"product-description rte\" itemprop=\"description\"\u003e\n\u003cdiv class=\"description ui-tabs ui-widget ui-widget-content ui-corner-all\" id=\"tabs\" itemprop=\"description\"\u003e\n\n\u003cp\u003e\u003cimg class=\"center\" height=\"386\" width=\"592\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SP1000M_Cases_52418407-db3b-4e58-ab2a-ef4fc04f4ba2.png?v=1547674457\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe A\u0026amp;ultima SP1000M leather case has a value that is more than just protecting the device.\u003c\/p\u003e\n\u003cp\u003eThe cases have been carefully crafted to complement the SP1000M and accent its perfect high-end style.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" height=\"544\" width=\"591\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/MG_4573_copy.jpg?v=1547674518\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Navy Blue \/ Navy color leather case is made of Tuscany Belly leather, processed and supplied by the world-famous Walpier Tannery of Italy.\u003c\/p\u003e\n\u003cp\u003eTuscany Belly leather of Walpier Tannery, the same family brand of Buttero, boasts excellent color with a perfect surface finish, which makes its vegetable-tanned leather highly resistant to scratches. \u003cbr\u003eThe surface of leather is dyed one at a time by leather craftsmen and shows a natural two-tone effect that adds to the sensation of depth in the leather.\u003c\/p\u003e\n\u003cspan data-block=\"\"\u003e\u003cimg class=\"center\" height=\"480\" width=\"591\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Screen_Shot_2019-01-16_at_1.37.08_PM.png?v=1547674658\"\u003e\u003c\/span\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEstablished in 1973 in San Miniato, Tuscany, Walpier Tannery has been in business for three generations and has a long tradition of making leather products based on vegetable tanning process. \u003cbr\u003eThe tannery handles 100% cow hair leathers imported from France and is a member of Vera Pelle, Italy’s association of vegetable-based leather tanners.\u003c\/p\u003e\n\u003cp\u003eThe traditional vegetable tanning technology of Tuscany Belly has been handed down father to son for centuries in the Tuscany region. \u003cbr\u003eThe tanning process usually takes 40 days by putting raw leather with natural tanning extracted from a variety of trees in a drum. \u003cbr\u003eThis is a processing method only practiced by Italian tanners of the world.\u003c\/p\u003e\n\u003cp\u003eLeather products that undergo the vegetable-based tanning process show the owner’s lifestyle vividly and make the products their own as it takes a long time to break in depending on the owner’s way of handling.\u003c\/p\u003e\n\u003cp\u003eThe Elephant Gray case is crafted with Maine leather, a product of Tempesti, honoring its Italian heritage of fine craftsmanship.\u003c\/p\u003e\n\u003cp\u003eIn 1995, Tempesti developed the vegetable Maine leather tanning process to produce a variety of luxuriously beautiful colors, marking an industry revolution. \u003cbr\u003eMore than 50 different colors including pastels set apart Maine leather-accented products from the rest.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" height=\"504\" width=\"752\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Screen_Shot_2018-11-26_at_5.19.06_PM.png?v=1543281649\"\u003e\u003c\/p\u003e\n\u003cp\u003eTempesti, which laid the foundation of VERA PELLE, the association of Italian vegetable tanning, has been producing natural leather for four generations since 1945. Leather has been produced in Tuscany since the Etruscans settled in the area in the 8th century B.C., and for the past 3,000 years, Tempesti has honored that tradition by making the finest leather in rich colors.\u003c\/p\u003e\n\u003cp\u003eRawhide is carefully selected from farms that comply with strict animal and environment protection standards implemented by Northern European countries such as France, Sweden, Denmark, and Belgium, which are the world’s top markets for rawhide.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" height=\"991\" width=\"1000\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Screen_Shot_2019-01-16_at_1.39.12_PM.png?v=1547674790\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFor the A\u0026amp;ultima SP1000M\u003c\/li\u003e\n\u003cli\u003eProtects Against Bumps and Scratches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Walpier Tannery, Tuscany Belly, Tempesti, Maine\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Navy, Elephant Grey, Navy Blue\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"beeketing-page-block bsales_default\"\u003e\n\u003cdiv class=\"bkt--body\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Navy Blue","offer_id":18322686738547,"sku":"AKSP1000MCASENBL","price":89.95,"currency_code":"USD","in_stock":false},{"title":"Elephant Gray","offer_id":18322686771315,"sku":"AKSP1000CASEGRY","price":89.95,"currency_code":"USD","in_stock":false},{"title":"Navy","offer_id":18322686804083,"sku":"AKSP1000CASENAV","price":89.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/ak_sp1000case_navyblue_1.jpg?v=1762457462"},{"product_id":"astell-kern-a-norma-sr25-leather-case","title":"Astell \u0026 Kern Leather Case for A\u0026norma SR25 - Discontinued","description":"\u003cp\u003e\u003cstrong\u003eA\u0026amp;norma SR25 Case\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SR25 case is designed to wrap around the entire player, not only serving to protect the player itself, but to enhance the design and beauty.\u003c\/p\u003e\n\u003cp\u003eThe material selected for this important role was created by Synt3, a world-class manufacturer of polyurethane located in Milan, Italy.\u003c\/p\u003e\n\u003cp\u003eThe diverse patterns and colors seen in the new brands developed by Synt3 are consistently regarded as new standards in the industry. Synt3's superb sense of design is always at the forefront of the industry.\u003c\/p\u003e\n\u003cp\u003eThe materials used by Synt3 feature Oeko-Tex® Standard 100 certification, an international certification ensuring the materials used are not only high-quality, but are also eco-friendly. The SR25 case feels soft and provides a solid grip on the player.\u003cbr\u003e\u003cbr\u003eThe SR25 case comes in Black, Red or Tan fabric with each color featuring a unique pattern. No matter which case the player is paired with, it provides a great match for the SR25.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHandmade case\u0026amp;Sir Case for Astell\u0026amp;Kern A\u0026amp;norma SR25 MKII \/ SR25\u003c\/li\u003e\n\u003cli\u003ePerfectly fit for AK A\u0026amp;norma SR25 MKII \/ SR25. Inside Steel Framed Case Cover\u003c\/li\u003e\n\u003cli\u003eProtects from Shocks and Fingerprints and Scratches. Inside Steel Frame helps Long Lasting Solid Look\u003c\/li\u003e\n\u003cli\u003eHand crafted by Superior craftsmanship\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black, Red, Tan\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Synt3 Lakina Polyurethane Fabric (Made in Italy)\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"black","offer_id":32225940799578,"sku":"SR25 CASE black","price":59.95,"currency_code":"USD","in_stock":false},{"title":"red","offer_id":32225940832346,"sku":"SR25 CASE red","price":59.95,"currency_code":"USD","in_stock":false},{"title":"tan","offer_id":32225940865114,"sku":"SR25 CASE tan","price":59.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SR25_Cases_Tan_01_2048x2048_fdd0333f-1511-490b-b723-b0276e31aec4.png?v=1762457682"},{"product_id":"astell-kern-a-futura-se200-leather-case","title":"Astell \u0026 Kern Leather Case for A\u0026futura SE200 - Discontinued","description":"\u003ch2 class=\"secondary-title hidden\"\u003eA\u0026amp;futura SE200 Leather Case\u003c\/h2\u003e\n\u003cp\u003eThe SE200 leather case wraps around the entire player providing full protection while enhancing the design and beauty of the player at the same time.\u003c\/p\u003e\n\u003cp\u003eThe unique curved part of the SE200 case is made by stretching the leather by hand in order to achieve a perfect fit.\u003c\/p\u003e\n\u003cp\u003eThe Buttero Belly leather used in the SE200 case is made from the belly of the cow.  This specific type of leather is used due to its thinner qualities which makes it more suitable for curved surfaces. The leather is produced from the finest French raw hides and undergoes a vegetable tanning process that not only creates a dense texture, but a smooth and soft surface.  You can feel the premium quality of the leather with every touch.\u003c\/p\u003e\n\u003cp\u003eEstablished in 1973 in San Miniato, Tuscany, Walpier Tannery has been in business for three generations and has a long tradition of making leather products based on vegetable tanning process. The tannery handles 100% cow hair leathers imported from France and is a member of Vera Pelle, Italy’s association of vegetable-based leather tanners.\u003c\/p\u003e\n\u003cp\u003eThe traditional vegetable tanning technology of Walpier Tannery has been handed down father to son for centuries in the Tuscany region. The tanning process usually takes 40 days by putting raw leather with natural tanning extracted from a variety of trees in a drum. This is a processing method only practiced by Italian tanners of the world.\u003c\/p\u003e\n\u003cp\u003eLeather products that undergo the vegetable-based tanning process show the owner’s lifestyle vividly and make the products their own as it takes a long time to break in depending on the owner’s way of handling.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHand Crafted MITER Case for Astell\u0026amp;Kern A\u0026amp;futura SE200\u003c\/li\u003e\n\u003cli\u003ePerfectly fit for A\u0026amp;futura SE200\u003c\/li\u003e\n\u003cli\u003eProtects from Shocks and Fingerprints and Scratches\u003c\/li\u003e\n\u003cli\u003eHand crafted by Superior craftsmanship\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black, Brown\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"black","offer_id":34867647447196,"sku":"SE200 case black","price":99.0,"currency_code":"USD","in_stock":false},{"title":"brown","offer_id":34867647479964,"sku":"SE200 case brown","price":99.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SE200_Case_05_2048x2048_42437c37-a4e7-43f6-ad50-4d9220d4cc60.png?v=1762457706"},{"product_id":"astell-kern-a-futura-se180-with-interchangeable-modules","title":"Astell \u0026 Kern A\u0026futura SE180 Music Player with Interchangeable Modules - Discontinued","description":"\u003ch2\u003eA\u0026amp;futura SE180\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInterchangeable All-in-One Module\u003c\/li\u003e\n\u003cli\u003eNext Generation AMP Technology\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA\u003c\/li\u003e\n\u003cli\u003eLDAC aptX-HD\u003c\/li\u003e\n\u003cli\u003eFull HD Display\u003c\/li\u003e\n\u003cli\u003eMQA\u003c\/li\u003e\n\u003cli\u003eBT Sink\u003c\/li\u003e\n\u003cli\u003eNew Navigation Bar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"xxlarge\"\u003eSE180 Combines Innovation and Fun\u003c\/h2\u003e\n\u003cp\u003eThe third product in the A\u0026amp;futura line, the SE180, continues the trend of exciting innovation for Astell\u0026amp;Kern products\u003cspan\u003e \u003c\/span\u003ewhile providing the uncompromised sound quality Astell\u0026amp;Kern is famous for.\u003c\/p\u003e\n\u003cp\u003eWith the SE180, in addition to superb audio technology, we wanted to show users an element of fun that is hard to find\u003cspan\u003e \u003c\/span\u003ein most Hi-Fi products.\u003c\/p\u003e\n\u003cp\u003eThe DNA of innovation found in the A\u0026amp;futura line continues with the SE180.\u003cbr\u003eIt is an advanced audio system created with the technology Astell\u0026amp;Kern is known for around the world.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInterchangeable All-in-One Module\u003cspan\u003e \u003c\/span\u003eTERATON ALPHA Audio Technology from Astell\u0026amp;Kern\u003cspan\u003e \u003c\/span\u003eNext Generation Astell\u0026amp;Kern AMP Technology\u003cspan\u003e \u003c\/span\u003eUpdated UI with Added Functions for Convenience\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith the SE180, premium Hi-Fi Sound is now available through the use of interchangeable, all-in-one modules, by Astell\u0026amp;Kern.\u003c\/p\u003e\n\u003ch2 class=\"xxlarge\"\u003eInterchangeable All-in-One\u003c\/h2\u003e\n\u003cp\u003eWith the SE180, we wanted to expand on the multi-DAC idea that was first introduced with the SE200.\u003c\/p\u003e\n\u003cp\u003eLike the SE200, different DACs can be used in one DAP, but we wanted to do something different for the SE180. The introduction of Interchangeable All-in-One Modules, carry on the multi-DAC experience but adds a new and fun experience. This reflects the DNA of the innovation that the A\u0026amp;futura line is known for.\u003c\/p\u003e\n\u003cp\u003eThe SE180 is a module-separated product that increases the convenience of connection between the main body of the player and the module. It features an innovative double-locking design that securely connects each component while providing smooth lines that naturally flow without any sense of separateness between the two pieces.\u003c\/p\u003e\n\u003cp\u003eBy applying different DAC\/AMP configurations, adjusting tuning and outputs for each module, the user can choose the most suitable module for Premium Hi-Fi Sound.\u003c\/p\u003e\n\u003cp\u003eThe default configuration module contains the ESS ES9038PRO, an 8-channel DAC mainly used for premium home audio equipment. This DAC provides a wider dynamic range and more detailed sophistication. The module supports 2.5mm, 3.5mm and 4.4mm connections to allow for a greater variety of headphones\/IEMs.\u003c\/p\u003e\n\u003ch2 class=\"xxlarge\"\u003eCircuit Separation Structure of Main Body and Module\u003c\/h2\u003e\n\u003cp\u003eBy physically separating the main body from the All-in-One module,\u003cspan\u003e \u003c\/span\u003ewe completely block power and RF noise that may occur from the main body.\u003c\/p\u003e\n\u003cp\u003eThis creates an independent structure that prevents noise from interfering with music playback.\u003c\/p\u003e\n\u003ch2\u003eModules Double Lock for Ease of Use\u003c\/h2\u003e\n\u003cp\u003eThe biggest difference between the SE180 and other products that use interchangeable modules is that the SE180 uses a double-locking mechanism rather than screws to fasten the module to the body.\u003c\/p\u003e\n\u003cp\u003eThe first locking structure attaches the module and the body.\u003c\/p\u003e\n\u003cp\u003eThe second locking structure informs the user that the module has been securely fastened to the main body.\u003c\/p\u003e\n\u003cp\u003eThe spring-supported internal connectors of the main body allow reliable audio signal connection and are used to prevent connection failure in case of external shock to the player when on the go.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan\u003eAstell\u0026amp;Kern Audio Technology Forms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ethe TERATON ALPHA Sound Solution\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"wrap-content\"\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management, and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce the sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003ch2 class=\"xxlarge\"\u003eNext-Generation Advanced AMP technology\u003c\/h2\u003e\n\u003cp\u003eIt is an extremely difficult to push beyond your previous best.\u003c\/p\u003e\n\u003cp\u003eWith the SE180, we applied Next Generation AMP technology to push beyond the sound quality others feel is acceptable for Premium Hi-Fi Sound to produce the best sound possible.\u003c\/p\u003e\n\u003cp\u003eFrom the selection of OP-AMP parts, to circuit design, board layout and tuning, everything has been completely redesigned to produce the best sound.\u003c\/p\u003e\n\u003cp\u003eIt is difficult to improve the Signal-to-Noise Ratio (SNR) while maintaining a high output.\u003c\/p\u003e\n\u003cp class=\"large text-center-sm\"\u003eOutput\/SNR comparison\u003c\/p\u003e\n\u003cdiv class=\"table_wrap\"\u003e\n\u003ccolgorup\u003e\u003c\/colgorup\u003e\n\u003ctable class=\"table_st1 type-a\"\u003e\n\u003ccolgroup\u003e \u003ccol\u003e \u003ccol\u003e \u003ccol\u003e \u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"small\" scope=\"col\"\u003eFeatures\u003c\/th\u003e\n\u003cth class=\"c_black\" scope=\"col\"\u003eSE180\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSE100\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd class=\"pic\"\u003e\n\u003cdiv class=\"sm\"\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/www.iriverplus.com\/site\/ak\/eng\/img\/userdata\/se180\/img_se180_sm.png\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"pic\"\u003e\n\u003cdiv class=\"sm\"\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/www.iriverplus.com\/site\/ak\/eng\/img\/userdata\/se100\/img_se100_sm.png\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Level\u003c\/th\u003e\n\u003ctd class=\"c_black\" colspan=\"2\"\u003eES9038Pro Single\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Level (Balanced)\u003c\/th\u003e\n\u003ctd class=\"c_black\"\u003e6Vrms\u003c\/td\u003e\n\u003ctd\u003e4.1Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSNR\u003c\/th\u003e\n\u003ctd class=\"c_black\"\u003e129dB\u003c\/td\u003e\n\u003ctd\u003e123dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"info small\"\u003e* Based on condition no load, there may be differences depending on the measurement method.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch2 class=\"xxlarge\"\u003eAdoption of Full HD Display for\u003cspan\u003e \u003c\/span\u003eImproved Image Quality\u003c\/h2\u003e\n\u003cp\u003eThe SE180 features a full HD screen to provide a higher quality display. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003cdiv class=\"info text-left\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e441 PPI\u003c\/strong\u003e\n\u003cp\u003eHigh pixel density\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e5.0 inch\u003c\/strong\u003e\n\u003cp\u003eLarge display\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e16.7M colors\u003c\/strong\u003e\n\u003cp\u003eLarge color gamut\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e1920*1080\u003c\/strong\u003e\n\u003cp\u003eHigh resolution\u003c\/p\u003e\n\u003ch2 class=\"xxlarge\"\u003eUpgrades to Enhance the User Experience\u003c\/h2\u003e\n\u003cp\u003eIt is an extremely difficult to push beyond your previous best.\u003c\/p\u003e\n\u003cp\u003eWith the SE180, we applied Next Generation AMP technology to push beyond the sound quality others feel is acceptable for Premium Hi-Fi Sound to produce the best sound possible.\u003c\/p\u003e\n\u003cp\u003eFrom the selection of OP-AMP parts, to circuit design, board layout and tuning, everything has been completely redesigned to produce the best sound.\u003c\/p\u003e\n\u003cp\u003eIt is difficult to improve the Signal-to-Noise Ratio (SNR) while maintaining a high output.\u003c\/p\u003e\n\u003cdiv class=\"item\"\u003e\n\u003cstrong\u003eNavigation bar for easier navigation\u003c\/strong\u003e\n\u003cp\u003eTo provide more convenient movement through the player user interface that is consistent with an Android smartphone experience, the SE180 features a new navigation bar, the first in an Astell\u0026amp;Kern player.\u003c\/p\u003e\n\u003cp\u003eNow you can easily navigate with a single touch and deliver music playback information from any screen. The new one swipe feature moves you to the previous screen.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"item\"\u003e\n\u003cstrong\u003eAK File Drop to enjoy wireless transfers\u003c\/strong\u003e\n\u003cp\u003eThe new AK File Drop function in the SE180 makes files transfers easier and more convenient.\u003c\/p\u003e\n\u003cp\u003eUsing AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network.\u003c\/p\u003e\n\u003cp\u003eMusic file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003cp class=\"xxlarge\"\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/p\u003e\n\u003cp\u003eThe newly introduced BT Sink function connects the SE180 to an external device via Bluetooth,\u003cspan\u003e \u003c\/span\u003esimilar to connecting a smartphone with a BT speaker.\u003cbr\u003eMusic from an external device, such as a smartphone can now be played back in high-quality on the SE180 using the BT Sink function.\u003c\/p\u003e\n\u003ch2 class=\"xxlarge\"\u003eReal-Time Information Confirmed by Light\u003c\/h2\u003e\n\u003cp\u003eThe SE180 features a LED volume wheel which displays various playback information, including volume level and\u003cspan\u003e \u003c\/span\u003ebit-rate of the track currently playing.\u003c\/p\u003e\n\u003cp class=\"info small\"\u003e* LED can be turned on or off according to user setting.\u003c\/p\u003e\n\u003ch2 class=\"xxlarge\"\u003eEquipped with Bluetooth 5.0 and Support\u003cspan\u003e \u003c\/span\u003efor Wireless 24-bit aptX-HD, LDAC Codecs\u003c\/h2\u003e\n\u003cp\u003eThe latest Bluetooth version provides high sound quality with the convenience of wireless playback to headphones and IEMs.\u003c\/p\u003e\n\u003cp\u003eBluetooth 5.0 features faster transmission speed, greater range and a more stable wireless connection when compared to Bluetooth 4.2.\u003c\/p\u003e\n\u003cp\u003eBoth LDAC and aptX HD is supported to provide audiophiles with the best wireless sound possible.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eDesign Concept\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eTA\u0026amp;futura SE180 is Astell\u0026amp;Kern's first DAC interchangeable DAP, created under the pioneering spirit of the A\u0026amp;futura lineup.\u003cbr\u003eThe design of the SE180 resembles the traces of the wind left behind as natural and flowing lines represent an immersed listening experience of great tunes.\u003c\/p\u003e\n\u003cp\u003eA smooth yet expanding silhouette is the key design element of the SE180.\u003cbr\u003eThe continuous and seamless outline of the SE180 and almost infinite number of acoustic settings users can create represents the infinite possibility of tonal scalability.\u003c\/p\u003e\n\u003cp\u003eThe volume knob is located in the center of the curves.\u003cbr\u003eIt symbolizes the way that various tones are gathered and harmonized to emit not only the sound but also light as well. The control buttons on the left side have been eliminated and a single multi-function button has been added for the convenience of one-handed operation.\u003c\/p\u003e\n\u003cp\u003eThe A\u0026amp;futura SE180’s ceramic rear cover is reminiscent of a finely crafted art sculpture. You can feel the quality and craftsmanship devoted to your device through the subtle beauty. Gold rings are applied to each audio output port, 2.5mm, 3.5mm and 4.4mm connectors, for harmony and unity through its details.\u003c\/p\u003e\n\u003ch2 class=\"title\"\u003eSE180 Specification\u003c\/h2\u003e\n\u003ch5 class=\"title\"\u003eGeneral Specifications\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eModel\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eSE180\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eBody Color\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eMoon Silver\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eBody Material\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eAluminum\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eDisplay\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e5.0inch 1920x1080 FHD\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eSupported Audio Formats\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eMQA playback\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eServices(Tidal Masters), Local files, External USB, MQA-CD(ripped)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eInput\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eUSB Type-C input (for PC \u0026amp; MAC)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eCharging\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e9V 1.67A \/ 5V 2A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eWi-Fi\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e802.11 b\/g\/n (2.4GHz)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eBluetooth\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eV5.0 (A2DP, AVRCP, Qualcomm\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eaptX\u003csup\u003eTM\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003eHD, LDAC)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e3.03 ”(77 mm) [W] x 5.09 ”(129.2 mm) [H] x 0.78 ”(19.9 mm) [D] (Only body)\u003cbr\u003e3.03 ”(77 mm) [W] x 5.4 ”(137.2 mm) [H] x 0.78 ”(19.9 mm) [D] (Combined with a module)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eWeight\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e9.88 oz (280 g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eFeature Enhancements\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eFirmware upgrades supported (OTA)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eSAR\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eBody 10g SAR (W\/Kg) _ WLAN 2.4Ghz : 0.016\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eWheel\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eLED Light (LED Indicator)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"title\"\u003e\u003c\/h5\u003e\n\u003ch5 class=\"title\"\u003eBattery\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eCapacity\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e3,800mAh 3.8V Li-Polymer Battery\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eCharge Time\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eabout 5hours (Standard : 5V \/ 2A Charging), about 3hours (Fast : 9V \/ 1.67A Charging)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"title\"\u003e\u003c\/h5\u003e\n\u003ch5 class=\"title\"\u003eMemory\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eBuilt-in Memory\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e256GB [NAND]\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eExternal Memory\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003emicroSD (Max. 1TB) x1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"title\"\u003e\u003c\/h5\u003e\n\u003ch5 class=\"title\"\u003eOS\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eSupported OS\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eWindows 8,10(32\/64bit) Mac OS X 10.7 and up\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"title\"\u003e\u003c\/h5\u003e\n\u003ch5 class=\"title\"\u003eClock source\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eClock Jitter\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e25ps(Typ)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eReference Clock Jitter\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e800 Femto Seconds\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"title\"\u003e\u003c\/h5\u003e\n\u003ch5 class=\"title\"\u003eSEM1 Specification\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eModel\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eSEM1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eBody Color\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eMoon Silver\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eBody Material\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eAluminum, Stainless Steel, Polycarbonate\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eSample Rate\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003ePCM: 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz), Stereo\u003cbr\u003e\/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eOutputs\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eUnbalanced Out (3.5mm), Balanced Out (2.5mm, only 4-pole supported\u003cbr\u003e\/ 4.4mm, only 5-pole supported)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eOutput Level\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e[Normal Gain] Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load)\u003cbr\u003e[High Gain] Unbalanced 3Vrms \/ Balanced 6Vrms (Condition No Load)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eDAC\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eESS ES9038PRO (Single DAC)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eDecoding\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eSupport up to 32bit \/ 384kHz Bit-to-Bit playback\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e3.03 ”(77 mm) [W] x 2.99 ”(76 mm) [H] x 0.78 ”(19.9 mm) [D]\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eWeight\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e3.53 oz (100 g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003ePlayback Time\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eabout 10.5hours (FLAC, 16bit, 44.1kHz, Vol.50, LCD Off)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"title\"\u003e\u003c\/h5\u003e\n\u003ch5 class=\"title\"\u003eAudio Performance\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eFrequency Response\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e±0.04dB (Condition : 20Hz~20kHz) Unbalanced \/ ±0.04dB (Condition : 20Hz~20kHz) Balanced\u003cbr\u003e±0.07dB (Condition : 20Hz~70kHz) Unbalanced \/ ±0.06dB (Condition : 20Hz~70kHz) Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eSignal to Noise Ratio\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e[Normal Gain] 122dB @ 1kHz, Unbalanced \/ 126dB @ 1kHz, Balanced\u003cbr\u003e\/ [High Gain] 125dB @ 1kHz, Unbalanced \/ 129dB @ 1kHz, Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eCrosstalk\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e[Normal Gain] -138dB @ 1kHz, Unbalanced \/ -145dB @ 1kHz, Balanced\u003cbr\u003e\/ [High Gain] -138dB @ 1kHz, Unbalanced \/ -147dB @ 1kHz, Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eTHD+N\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e[Normal Gain] 0.0005% @ 1kHz, Unbalanced \/ 0.0004% @ 1kHz, Balanced\u003cbr\u003e\/ [High Gain] 0.0007% @ 1kHz, Unbalanced \/ 0.0006% @ 1kHz, Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eIMD SMPTE\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e0.0004%, 800Hz 10kHz (4:1), Unbalanced \/ 0.0004%, 800Hz 10kHz (4:1), Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eOutput Impedance\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e3.5mm (1ohm) \/ 2.5mm (1.5ohm) \/ 4.4mm (1.5ohm)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"info\"\u003e- Audio was NOT muted during the measurement.\u003cbr\u003e- The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e\n\u003ch3\u003eInterchangeable All-in-One Module\u003c\/h3\u003e\n\u003cp\u003eWith the SE180, we wanted to expand on the multi-DAC idea that was first introduced with the SE200. \u003c\/p\u003e\n\u003cp\u003eLike the SE200, different DACs can be used in one DAP, but we wanted to do something different for the SE180. The introduction of Interchangeable All-in-One Modules, carry on the multi-DAC experience but adds a new and fun experience. This reflects the DNA of the innovation that the A\u0026amp;futura line is known for.\u003c\/p\u003e\n\u003cp\u003eThe SE180 is a module-separated type product that increases the convenience of connection between the main body of the player and the module. It features an innovative double-locking design that securely connects each component while providing smooth lines that naturally flow without any sense of separateness between the two pieces.\u003c\/p\u003e\n\u003cp\u003eBy applying different DAC\/AMP configurations, tuning and outputs for each module, the user can choose the most suitable module for Premium Hi-Fi Sound.\u003c\/p\u003e\n\u003cp\u003eThe default configuration module contains the ESS ES9038PRO, an 8-channel DAC mainly used for premium home audio equipment. This DAC provides a wider dynamic range and more detailed sophistication. The module supports 2.5mm, 3.5mm and 4.4mm connections to allow for a greater variety of headphones\/IEMs.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/us.astellnkern.com\/products\/sem2\" title=\"Astell\u0026amp;Kern SEM2 Product Page\" target=\"_blank\"\u003eShop alternative Interchangeable All-in-One Modules \u0026gt;\u0026gt;\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180-012.jpg?v=1619029092\" width=\"721\" height=\"414\"\u003e\u003c\/p\u003e\n\u003ch3\u003eCircuit Separation Structure of Main Body and Module\u003c\/h3\u003e\n\u003cp\u003eBy physically separating the main body from the All-in-One module, we completely block power and RF noise that may occur from the main body.\u003c\/p\u003e\n\u003cp\u003eThis creates an independent structure that prevents noise from interfering with music playback.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180_Circuit_Structure.png?v=1619029428\" width=\"772\" height=\"574\"\u003e\u003c\/p\u003e\n\u003ch3\u003eModules Double Lock for Ease of Use\u003c\/h3\u003e\n\u003cp\u003eThe biggest difference between the SE180 and other products that use interchangeable modules is that the SE180 uses a double-locking mechanism rather than screws to fasten the module to the body.\u003c\/p\u003e\n\u003cp\u003eThe first locking structure attaches the module and the body.\u003c\/p\u003e\n\u003cp\u003eThe second locking structure informs the user that the module has been securely fastened to the main body.\u003c\/p\u003e\n\u003cp\u003eThe spring supported internal connectors of the main body allow reliable audio signal connection and are used to prevent connection failure in case of  external shock to the player when on the go.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" height=\"382\" width=\"470\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180_SEM_Locking_Mechanism_f252e88a-52b4-4146-b9ce-b5506bb5bef0.png?v=1619553122\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eAstell\u0026amp;Kern Audio Technology Forms the  TERATON ALPHA Sound Solution\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/us.astellnkern.com\/blogs\/news\/teraton-alpha\" title=\"Astell\u0026amp;Kern TERATON ALPHA Blog Post\" target=\"_blank\"\u003eLearn more about TERATON ALPHA \u0026gt;\u0026gt;\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180_TERATON_ALPHA.png?v=1619030514\" width=\"289\" height=\"258\"\u003e\u003c\/p\u003e\n\u003ch3\u003eNext Generation Advanced AMP technology\u003c\/h3\u003e\n\u003cp\u003eIt is extremely difficult push beyond your previous best.\u003c\/p\u003e\n\u003cp\u003eWith the SE180, we applied Next Generation AMP technology to push beyond the sound quality others feel is acceptable for Premium Hi-Fi Sound to produce the best sound possible.\u003c\/p\u003e\n\u003cp\u003eFrom the selection of OP-AMP parts, to circuit design, board layout and tuning, everything has been completely redesigned to produce the best sound.\u003c\/p\u003e\n\u003cp\u003eIt is difficult to improve the Signal-to-Noise Ratio (SNR) while maintaining a high output.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180_Output_SNR_Comparison.png?v=1619031202\" width=\"1052\" height=\"571\"\u003e\u003c\/p\u003e\n\u003cp\u003e*Based on condition no load, there may be differences depending on the measurement method.\u003c\/p\u003e\n\u003ch3\u003eAdoption of Full HD Display for Improved Image Quality\u003c\/h3\u003e\n\u003cp\u003eThe SE180 features a full HD screen to provide a higher quality display.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180_Full_HD_Display.png?v=1619031394\" width=\"853\" height=\"358\"\u003e\u003c\/p\u003e\n\u003ch3\u003eUpgrades to Enhance the User Experience\u003c\/h3\u003e\n\u003cp\u003eIt is extremely difficult to push beyond your previous best.\u003c\/p\u003e\n\u003cp\u003eWith the SE180, we applied Next Generation AMP technology to push beyond the sound quality others feel is acceptable for Premium Hi-Fi Sound to produce the best sound possible.\u003c\/p\u003e\n\u003cp\u003eFrom the selection of OP-AMP parts, to circuit design, board layout and tuning, everything has been completely redesigned to produce the best sound.\u003c\/p\u003e\n\u003cp\u003eIt is difficult to improve the Signal-to-Noise Ratio (SNR) while maintaining a high output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNavigation Bar for Easier Navigation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo provide more convenient movement through the player user interface that is consistent with an Android smartphone experience, the SE180 features a new navigation bar, the first in an Astell\u0026amp;Kern player.\u003c\/p\u003e\n\u003cp\u003eNow you can easily navigate with a single touch and deliver music playback information from any screen. The new one swipe feature moves you to the previous screen.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180_Navigation_Bar.png?v=1619031824\" width=\"490\" height=\"288\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAK File Drop to Enjoy Wireless Transfers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe new AK File Drop function in the SE180 makes files transfers easier and more convenient.\u003c\/p\u003e\n\u003cp\u003eUsing AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network.\u003c\/p\u003e\n\u003cp\u003eMusic file management is now possible with a cable-less, wireless solution.\u003c\/p\u003e\n\u003cp class=\"info\"\u003e \u003c\/p\u003e\n\u003ch3\u003eWireless Hi-Fi Sound Through BT Sync\u003c\/h3\u003e\n\u003cp\u003eThe newly introduced BT Sync function connects the SE180 to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker.\u003c\/p\u003e\n\u003cp\u003eMusic from an external device, such as a smartphone can now be played back in high-quality on the SE180 using the BT Sync function.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" height=\"359\" width=\"1001\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180_BT_Sync.png?v=1619032020\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eReal-Time Information Confirmed by Light\u003c\/h3\u003e\n\u003cp\u003eThe SE180 features a LED volume wheel which displays various playback information, including volume level and bit-rate of the track currently playing.\u003c\/p\u003e\n\u003cp\u003e*LED can be turned on or off according to user setting.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" height=\"335\" width=\"1000\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SE180_LED_Volume_Wheel.png?v=1619032109\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eEquipped with Bluetooth 5.0 and Support for Wireless 24-bit aptX-HD, LDAC Codecs\u003c\/h3\u003e\n\u003cp\u003eThe latest Bluetooth version provides high sound quality with the convenience of wireless playback to headphones and IEMs.\u003c\/p\u003e\n\u003cp\u003eBluetooth 5.0 features faster transmission speed, greater range and a more stable wireless connection when compared to Bluetooth 4.2.\u003c\/p\u003e\n\u003cp\u003eBoth LDAC and aptX HD is supported to provide audiophiles with the best wireless sound possible. \u003c\/p\u003e\n\u003cp class=\"info\"\u003e\u003cspan data-block=\"\"\u003e\u003ca href=\"https:\/\/www.mqa.co.uk\/how-it-works\" title=\"MQA - How it Works\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Black_horizontal_RGB_copy.png?v=1551297436\" alt=\"\" width=\"214\" height=\"77\"\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e\u003cspan data-block=\"\"\u003eMQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording. The master MQA file is fully authenticated and is small enough to stream or download. Visit mqa.co.uk for more information. Astell\u0026amp;Kern A\u0026amp;futura SE100 includes MQA technology, which enables you to play back MQA audio files and streams, delivering the sound of the original master recording.\u003c\/span\u003e\u003cspan data-block=\"\"\u003e \u003c\/span\u003e\u003cspan data-block=\"\" class=\"info small\"\u003eMQA and the Sound Wave Device are registered trade marks of MQA Limited.\u003cspan\u003e \u003c\/span\u003e© MQA Limited 2016\u003c\/span\u003e\u003cspan data-block=\"\" class=\"info small\"\u003e\u003c\/span\u003e\u003cspan data-block=\"\" class=\"info small\"\u003e \u003c\/span\u003e\u003cspan data-block=\"\"\u003e\u003cimg class=\"center\" height=\"90\" width=\"256\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Qualcomm_Logo.png?v=1599618473\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Qualcomm_Logo.png?v=1599618473\"\u003e\u003cbr\u003eQualcomm® aptX™ HD is a product of Qualcomm Technologies, Inc. and\/or its subsidiaries.\u003cbr\u003eQualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries.\u003cbr\u003eQualcomm® aptX™ HD is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries.\u003c\/span\u003e\u003cspan data-block=\"\"\u003e\u003c\/span\u003e\u003cspan data-block=\"\"\u003e \u003c\/span\u003e\u003cspan data-block=\"\"\u003e\u003cimg class=\"center\" height=\"96\" width=\"199\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/LDAC_Logo.jpg?v=1619032985\" alt=\"\"\u003e\u003c\/span\u003e\u003cspan data-block=\"\"\u003eLDAC and LDAC logo are trademarks of Sony Corporation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":39575512055998,"sku":"SE180 Moon Silver","price":1499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SE180-002x.jpg?v=1762458070"},{"product_id":"astell-kern-a-futura-se180-leather-case","title":"Astell \u0026 Kern Leather Case for A\u0026futura SE180 - Discontinued","description":"\n\u003cp\u003e\u003cspan\u003eExceptional SE180 Leather Case.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIn order to raise the bar of the SE180 even higher, much attention was devoted to the selection of leather for the case.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe leather case for the SE180 was made from a process called “Full Vegetable Tanning”.\u003cbr\u003eThis traditional method has been used in Italy for over 200 years.\u003cbr\u003ehe process brings out the special characteristic of leather while creating a natural tanning look.\u003cbr\u003eA variety of trees and plants are involved in this tanning process which takes about 40 days to complete and only the most experienced professionals in Italy possess the skills to do it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBadalassi Carlo was made by Professor Carlo Badalassi, who is known for his excellent skills with leather.\u003cbr\u003eUnlike modern methods, he uses a traditional method of making leather that requires extensive time and devotion.\u003cbr\u003eHis reputation is well-known among top expensive brands due to his focus on the leather quality over quantity.\u003cbr\u003e\u003cbr\u003eThis special leather material has a lot of oil in it that will allow the leather to shine the more it is used.\u003cbr\u003eMany tests and trials have been done with the creation of the leather case in order to highlight the unique design of the SE180\u003c\/span\u003e\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Black","offer_id":39575532798142,"sku":"Black","price":119.95,"currency_code":"USD","in_stock":false},{"title":"Navy","offer_id":39575532830910,"sku":"Navy","price":119.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SE180_Case_02x_c9944e42-41ea-40a6-876c-525346606f7b.jpg?v=1762458072"},{"product_id":"astell-kern-sem2-interchangeable-all-in-one-dac-amp-module","title":"Astell \u0026 Kern SEM2 Interchangeable DAC\/AMP module for the SE180 - Discontinued","description":"\u003ch3 class=\"title padder-downer\"\u003e\u003cspan\u003eAll-in-One Module SEM2\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2 class=\"xxlarge\"\u003eShape your Sound with SEM2\u003c\/h2\u003e\n\u003cp\u003eSEM2 is an Interchangeable All-in-One module for the SE180\u003cspan\u003e \u003c\/span\u003eShape your Sound with the Asahi Kasei AK4497EQ Dual DAC SEM2\u003cspan\u003e \u003c\/span\u003eGive your SE180 a different sound than the bundled module\u003cspan\u003e \u003c\/span\u003eSEM2 supports up to 32bit\/768kHz \/ Native DSD512\u003c\/p\u003e\n\u003ch2 class=\"xxlarge\"\u003eNext Generation Advanced\u003cspan\u003e \u003c\/span\u003eAMP Technology\u003c\/h2\u003e\n\u003cp\u003eNext generation AMP technology is also applied in the SEM2 all-in-one module.\u003c\/p\u003e\n\u003cp\u003eFrom the selection of OP-AMP parts, to circuit design, board layout and tuning, everything has been completely redesigned to produce the best sound.\u003c\/p\u003e\n\u003cp\u003eEven with a high output, the signal-to-noise (SNR), one of the important measurements of audio performance, boasts an amazing 127dB (based on AK4497EQ Dual, Balanced, High Gain).\u003c\/p\u003e\n\u003ch2 class=\"xxlarge\"\u003eCircuit Separation Structure of Main Body and Module\u003c\/h2\u003e\n\u003cp\u003eBy physically separating the main body from the All-in-One module,\u003cspan\u003e \u003c\/span\u003ewe completely block power and RF noise that may occur from the main body.\u003cbr\u003eThis creates an independent structure that prevents noise from interfering with music playback.\u003c\/p\u003e\n\u003cp\u003eBalanced and unbalanced signals are separated for each channel to provide the best possible sound\u003cspan\u003e \u003c\/span\u003ethrough independent circuit design without interference.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cspan\u003eAstell\u0026amp;Kern Audio Technology Forms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ethe TERATON ALPHA Sound Solution\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"wrap-content\"\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003ch2 class=\"title\"\u003eSpecification\u003c\/h2\u003e\n\u003cdiv class=\"module\"\u003e\n\u003ch5 class=\"title\"\u003eGeneral Specifications\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eProduct Name\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eSEM2\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eModel\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003ePAP12\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eBody Material\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eAluminum, Stainless Steel, Polycarbonate\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eBody Color\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eMoon Silver\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eSample Rate\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003ePCM : 8kHz ~ 768kHz (8\/16\/24\/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo \/ DSD512(1bit 22.4MHz), Stereo\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eOutput\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eUnbalanced Out (3.5mm), Balanced Out (2.5mm, only 4-pole supported \/ 4.4mm, only 5-pole supported)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eOutput Level\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e[Normal Gain] Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load) [High Gain] Unbalanced 3Vrms \/ Balanced 6Vrms (Condition No Load)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eDAC\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eAKM AK4497EQ x2 (Dual DAC)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eDecoding\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eSupport up to 32bit \/ 768kHz Bit-to-Bit playback\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eDimensions\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e3.03\"(77mm)[W] x 2.99\"(76mm)[H] x 0.78\"(19.9mm)[D]\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eWeight\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e3.53oz (100g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eOperating Temperature\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003ePlayback Time\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003eabout 10.5hours (FLAC, 16bit, 44.1kHz, Vol.50, LCD Off)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"title\"\u003e\u003c\/h5\u003e\n\u003ch5 class=\"title\"\u003eAudio Performance\u003c\/h5\u003e\n\u003cdiv class=\"list\"\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eFrequency Response\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e±0.07dB (Condition : 20Hz~20kHz) Unbalanced \/ ±0.06dB (Condition : 20Hz~20kHz) Balanced ±0.68dB (Condition : 20Hz~70kHz) Unbalanced \/ ±0.67dB (Condition : 20Hz~70kHz) Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eSignal to Noise Ratio\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e[Normal Gain] 122dB @ 1kHz, Unbalanced \/ 124dB @ 1kHz, Balanced [High Gain] 125dB @ 1kHz, Unbalanced \/ 127dB @ 1kHz, Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eCrosstalk\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e[Normal Gain] -138dB @ 1kHz, Unbalanced \/ -145dB @ 1kHz, Balanced [High Gain] -138dB @ 1kHz, Unbalanced \/ -147dB @ 1kHz, Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eTHD+N\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e[Normal Gain] 0.0006% @ 1kHz, Unbalanced \/ 0.0005% @ 1kHz, Balanced [High Gain] 0.0008% @ 1kHz, Unbalanced \/ 0.0006% @ 1kHz, Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eIMD SMPTE\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e0.0002%, 800Hz 10kHz (4:1), Unbalanced \/ 0.0002%, 800Hz 10kHz (4:1), Balanced\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid row\"\u003e\n\u003cdiv class=\"col col-1-1 col-1-3-lg subject\"\u003eOutput Impedance\u003c\/div\u003e\n\u003cdiv class=\"col col-1-1 col-2-3-lg\"\u003e3.5mm (1ohm) \/ 2.5mm (1.5ohm) \/ 4.4mm (1.5ohm)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":39575547576510,"sku":"SEM2 Moon Silver","price":279.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SE180-013x.jpg?v=1759442389"},{"product_id":"astell-kern-a-ultima-sp2000t-digital-audio-player","title":"Astell \u0026 Kern A\u0026ultima SP2000T Digital Audio Player Black - Discontinued","description":"\u003ch2\u003eA\u0026amp;ultima, SP2000T\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTriple AMP System\u003c\/li\u003e\n\u003cli\u003eESS ES9068AS Quad-DAC\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA\u003c\/li\u003e\n\u003cli\u003eLDAC aptX-HD\u003c\/li\u003e\n\u003cli\u003eFull HD Display\u003c\/li\u003e\n\u003cli\u003eMQA\u003c\/li\u003e\n\u003cli\u003eBT Sink\u003c\/li\u003e\n\u003cli\u003eDual band Wi-Fi 2.4, 5Ghz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFind Your Optimal Sound\u003c\/h2\u003e\n\u003cp\u003eStaying true to our philosophy of delivering original audio experiences without compromise, Astell\u0026amp;Kern strives to design portable music players that reach beyond the capabilities of a standard playback device to enhance the listener’s music enjoyment.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T combines the OP AMP configuration of our SP2000—the culmination of Astell\u0026amp;Kern's finest audio technology—with a nostalgic vacuum TUBE AMP, adding a vintage feel to the portable player.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThe Triple Amp System Takes Acoustics to a New Level.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVacuum Tube Amplifier Compatible with 2.5 mm, 3.5 mm and 4.4 mm Output Jacks.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEquipped with ESS ES9068AS QUAD-DAC, for Balanced, Ultra Detailed Sound.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTERATON ALPHA, Astell\u0026amp;Kern's Ultimate Sound Solution.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReplayGain Function to Maintain Consistent Playback Levels between Tracks.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDual-Band Wi-fi Support for Uninterrupted Wireless Connection and Improved Compatibility.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInternal Mechanical Design to Minimize Noise\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIntroducing the A\u0026amp;ultima SP2000T. The Ingenious New Solution.\u003c\/p\u003e\n\u003ch2\u003eSP2000\u003cstrong\u003eT\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \"\u003cstrong\u003eT\u003c\/strong\u003e\" in SP2000T does not stand for a specific word, but rather encompasses design approaches and directions made during the product development process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003erue\u003cbr\u003eThe SP2000T inherits the SP2000's true-sound philosophy\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eriple\u003cbr\u003eTriple AMP System\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eimeless\u003cbr\u003eTimeless Value\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eube\u003cbr\u003eVintage Vacuum Tube Amplifier\u003c\/p\u003e\n\u003ch2\u003eTRIPLE AMP SYSTEM is the Next Generation of AMP Technology\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T exceeds the standard approach to AMP Mode selection, based on the type of music you are listening to. Select between TUBE AMP mode, OP AMP mode, or the brand-new HYBRID AMP mode.\u003c\/p\u003e\n\u003cp\u003eOP AMP mode puts Astell\u0026amp;Kern's AMP technology expertise to use, delivering extreme clarity and dynamic sound, while TUBE AMP mode provides a uniquely warm and musical sound.\u003c\/p\u003e\n\u003cp\u003eHYBRID AMP mode - a first for digital audio players - enhances the resolution and clarity of the existing TUBE AMP mode to express more musical detail. HYBRID AMP mode, combines the advantages of retro analog performance and high-resolution output, giving you the pleasure of a brand new tonal characteristic.\u003c\/p\u003e\n\u003cp\u003eExperience the unique sound enhancements that AMP technology has to offer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOP AMP Mode\u003c\/strong\u003e : Extreme clarity and dynamic sound\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTUBE AMP Mode\u003c\/strong\u003e : Uniquely warm and musical sound\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHYBRID AMP Mode\u003c\/strong\u003e : A fresh combination of retro vibes and high-resolution output.\u003c\/p\u003e\n\u003ch2\u003eVacuum Tube Amplifier Compatible with 2.5 mm, 3.5 mm and 4.4 mm Output Jacks\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T supports all output types, with no restriction on the type of receiver used, so you can enjoy the unique\u003c\/p\u003e\n\u003ch2\u003eReal Vacuum Tube\u003c\/h2\u003e\n\u003cp\u003eEquipped with the portable-friendly dual-triode KORG Nutube, for a unique TUBE AMP sound.\u003c\/p\u003e\n\u003cp\u003eNutube offers a reliable continuous playback time of approximately 30,000 hours. It features an anode grid filament structure which operates the same as a triode vacuum tube. It's much smaller, consumes far less power and yet delivers the same audio with rich overtones.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T supports all output types, with no restriction on the type of receiver used, so listeners can enjoy the unique characteristics of the vacuum tube.\u003c\/p\u003e\n\u003ch2\u003eHYBRID AMP MODE\u003c\/h2\u003e\n\u003cp\u003eHYBRID AMP mode supported for the first time by DAP is the essence of Astell\u0026amp;Kern's advanced AMP design technology.\u003c\/p\u003e\n\u003cp\u003eNew combinations of sounds can be enjoyed in HYBRID AMP mode, which is based on the OP AMP sound and addition of tasteful warm tones unique to TUBE AMP technology.\u003c\/p\u003e\n\u003ch2\u003eInternal Mechanical Design to Minimize Noise\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSpecial Design to Minimize Microphonics Noise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSP200T features a special design tailored to minimize microphonics (the phenomenon wherein the vacuum tubes generate noise even from a small external impact).\u003c\/p\u003e\n\u003cp\u003eMultiple design iterations and verifications have been performed over a long period of time to fix the structural issues of vacuum tubes that generate microphonics noise even from a small impact or vibration.\u003c\/p\u003e\n\u003cp\u003eFor minimization of mechanical impact and vibration, both sides of the vacuum tube are fixed with flexible silicone covers, and the vacuum tube has been modularized so it is physically separate from the PCB.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern goes to great lengths to innovate and design these small components that make a big difference in the quality and sound of our products that no other manufacturer can match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeparation Using Magnetic Polarity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA structure that uses magnetic forces to float the amp in the air, thus minimizing noise from the vacuum tube itself, which is generated when it is exposed to mechanical impact or vibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSilver Plating Shield Can\u003c\/strong\u003e\u003cstrong\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/www.astellnkern.com\/eng\/resources\/img\/userdata\/sp2000t\/img-covers.png\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern products apply shield cans so that noise and electromagnetic interference, which occur when the countless parts are in operation, do not affect the audio block.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T has taken it a step further by applying highly conductive, hyper-pure silver plating on the existing shield cans for perfect shielding that provides excellent audio performance.\u003c\/p\u003e\n\u003ch2\u003eAstell\u0026amp;Kern Audio Technology Forms the TERATON ALPHA Sound Solution\u003c\/h2\u003e\n\u003cp class=\"wrap-content\"\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003ch2\u003eAdoption of Full HD Display for Improved Image Quality\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T features a full HD screen to provide a higher quality display.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e441 PPI\u003cbr\u003e\u003c\/strong\u003eHigh pixel density\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5.0 inch\u003c\/strong\u003e \u003cbr\u003eLarge display\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e16.7M colors\u003cbr\u003e\u003c\/strong\u003eLarge color gamut\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1920*1080\u003cbr\u003e\u003c\/strong\u003eHigh resolution\u003c\/p\u003e\n\u003ch2\u003eQuad-DAC for Perfection of Superior Sound\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T is equipped with four ES9068AS DACs, this allows two DACs per channel for dedicated decoding.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T achieves a more detailed and balanced sound with great depth and spatial realism.\u003c\/p\u003e\n\u003ch2\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h2\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SP2000T.\u003c\/p\u003e\n\u003cp\u003e- ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch2\u003eDual-Band Wi-Fi (2.4\/5 GHz)\u003c\/h2\u003e\n\u003cp\u003eDual-Band Wi-Fi is supported for users who enjoy streaming services, providing enhanced network performance.\u003c\/p\u003e\n\u003cp\u003eWith streaming music services becoming more popular, stronger and more reliable network reception becomes even more important for your audio experience.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T supports Dual Band Wi-Fi (2.4\/5GHz, a\/b\/g\/n\/ac).\u003c\/p\u003e\n\u003ch2\u003eAK File Drop to enjoy wireless transfers\u003c\/h2\u003e\n\u003cp\u003eThe new AK File Drop function in the SP2000T makes files transfers easier and more convenient.\u003c\/p\u003e\n\u003cp\u003eUsing AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network.\u003c\/p\u003e\n\u003cp\u003eMusic file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch2\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h2\u003e\n\u003cp\u003eThe newly introduced BT Sink function connects the SP2000T to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker.\u003c\/p\u003e\n\u003cp\u003eMusic from an external device, such as a smartphone can now be played back in high-quality on the SP2000T using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eReal-Time Playback and AMP Mode Information Reflected by Light\u003c\/h2\u003e\n\u003cp\u003eThrough the softly dispersing LED light, Users are notified of the bit depth information of the song being played or the current AMP mode.\u003c\/p\u003e\n\u003cp\u003e* LED light may be turned on or off in the user settings, and one can choose between the sound source information or AMP mode information displays.\u003c\/p\u003e\n\u003ch2\u003eMQA \u003c\/h2\u003e\n\u003cp\u003eMQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording.\u003c\/p\u003e\n\u003cp\u003eThe master MQA file is fully authenticated and is small enough to stream or download. Visit mqa.co.uk for more information.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern SP2000T includes MQA technology, which enables you to play back MQA audio files and streams, delivering the sound of the original master recording.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePackage contents include:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA\u0026amp;ultima SP2000T Device x 1\u003c\/li\u003e\n\u003cli\u003eTan Leather Case x 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C Cable x 1\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide x 1\u003c\/li\u003e\n\u003cli\u003eWarranty Card x 1\u003c\/li\u003e\n\u003cli\u003emicroSD card slot cover x 2\u003c\/li\u003e\n\u003cli\u003eProtective Film (Front x 2, Back x 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003ch3\u003eGeneral Specifications\u003c\/h3\u003e\n\u003cp\u003eModel\u003cbr\u003eSP2000T\u003c\/p\u003e\n\u003cp\u003eBody Color\u003cbr\u003eOnyx Black\u003c\/p\u003e\n\u003cp\u003eBody Material\u003cbr\u003eAluminum\u003c\/p\u003e\n\u003cp\u003eDisplay\u003cbr\u003e5inch FHD 1280 x 1080 Touch display\u003c\/p\u003e\n\u003cp\u003eSupported Audio Formats\u003cbr\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF\u003c\/p\u003e\n\u003cp\u003eSample rate\u003cbr\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \/ DSD Native: DSD64(1bit 2.8MHz), Stereo혻\u003cbr\u003e\/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo \/ DSD512(1bit 22.4MHz), Stereo\u003c\/p\u003e\n\u003cp\u003eOutput Level\u003cbr\u003eUnbalanced 3.0Vrms \/ Balanced 6.0Vrms (Condition No Load)\u003c\/p\u003e\n\u003cp\u003eCPU\u003cbr\u003eOcta-Core\u003c\/p\u003e\n\u003cp\u003eDAC\u003cbr\u003eESS ES9068AS x4 (Quad-DAC)\u003c\/p\u003e\n\u003cp\u003eVacuum Tube\u003cbr\u003eKORG Nutube 6P1\u003c\/p\u003e\n\u003cp\u003eDecoding\u003cbr\u003eSupport up to 32bit \/ 384Hz Bit-to-Bit Playback\u003c\/p\u003e\n\u003cp\u003eInput\u003cbr\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003cp\u003eOutputs\u003cbr\u003eUnbalanced Out (3.5mm) \/ Optical Out (3.5mm) \/ Balanced Out (2.5mm, only 4-pole supported \/ 4.4m, only 5-pole supported) )\u003c\/p\u003e\n\u003cp\u003eWi-Fi\u003cbr\u003e802.11 a\/b\/g\/n\/ac (2.4\/5GHz)\u003c\/p\u003e\n\u003cp\u003eDimensions\u003cbr\u003e3.07 ”(78.1 mm) [W] x 5.55 ”(141.1 mm) [H] x 0.68 ”(17.5 mm) [D]\u003c\/p\u003e\n\u003cp\u003eWeight\u003cbr\u003eabout 10.89 oz (309 g)\u003c\/p\u003e\n\u003cp\u003eFeature Enhancements\u003cbr\u003eFirmware upgrades supported (OTA)\u003c\/p\u003e\n\u003ch3\u003eAudio Performance\u003c\/h3\u003e\n\u003cp\u003eFrequency Response\u003cbr\u003e±0.024dB (Condition: 20Hz~20kHz) Unbalanced \/ ±0.038dB (Condition: 20Hz~20kHz) Balanced\u003cbr\u003e±0.027dB (Condition: 20Hz~70kHz) Unbalanced \/ ±0.052dB (Condition: 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003cp\u003eSignal to Noise Ratio\u003cbr\u003e121dB @ 1kHz, Unbalanced \/ 123dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eCrosstalk\u003cbr\u003e-137dB @ 1kHz, Unbalanced \/ -142dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eTHD+N\u003cbr\u003e0.0003% @ 1kHz, Unbalanced \/ 0.0003% @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eIMD SMPTE\u003cbr\u003e0.0003% 800Hz 10kHz(4:1) Unbalanced \u0026amp; Balanced\u003c\/p\u003e\n\u003cp\u003eOutput Impedance\u003cbr\u003eUnbalanced Out 3.5mm (1.5ohm) \/ Balanced out 2.5mm (1ohm)\u003c\/p\u003e\n\u003ch3\u003eClock source\u003c\/h3\u003e\n\u003cp\u003eClock Jitter\u003cbr\u003e25ps(Typ)\u003c\/p\u003e\n\u003cp\u003eReference Clock Jitter\u003cbr\u003e70ps\u003c\/p\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cp\u003eCapacity\u003cbr\u003e4,200mAh 3.8V Li-Polymer Battery\u003c\/p\u003e\n\u003cp\u003ePlayback Time\u003cbr\u003eAbout 9 hours (Standard : FLAC, 16bit\/44.1kHz, Unbalance, Volume 50, LCD Off, LED On, OP AMP Mode)\u003c\/p\u003e\n\u003cp\u003eCharge Time\u003cbr\u003eAbout 3.5 hours (Standard - 9V\/1.67A Fast charging)\u003cbr\u003eAbout 5 hours (Standard - 5V\/2A General charging)\u003c\/p\u003e\n\u003ch3\u003eMemory\u003c\/h3\u003e\n\u003cp\u003eBuilt-in Memory\u003cbr\u003e256GB [NAND]\u003c\/p\u003e\n\u003cp\u003eExternal Memory\u003cbr\u003emicroSD (Max. 1TB) x1\u003c\/p\u003e\n\u003ch3\u003eOS\u003c\/h3\u003e\n\u003cp\u003eSupported OS\u003cbr\u003eWindows 7,8,10 (32\/64bit), MAC OS X 10.7 and up\u003c\/p\u003e\n\u003cp\u003e- The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":40339290325182,"sku":"SP2000T","price":2499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SP2000T_04.png?v=1762458408"},{"product_id":"astell-kern-a-ultima-sp2000t-leather-case","title":"Astell \u0026 Kern Replacement Leather Case for A\u0026ultima SP2000T","description":"\u003ch2\u003eGet an Additional or Replacement SP2000T Case\u003c\/h2\u003e\n\u003cp\u003eExceptionally high quality makes Badalassi Carlo the perfect choice of leather case for the SP2000T in the A\u0026amp;ultima range.\u003c\/p\u003e\n\u003cp\u003eProduced at the renowned Badalassi Carlo workshop in Italy, this leather is created using small batch, handcrafted traditional techniques. The company’s emphasis on quality rather than quantity has enshrined its reputation amongst leading luxury brands.\u003c\/p\u003e\n\u003cp\u003eThe leather is created using vegetable tanning, a traditional, organic method, particularly associated with the Italian region of Tuscany. \u003c\/p\u003e\n\u003cp\u003eThis leather case succeeds in completely covering the SP2000T, whilst highlighting its elegant lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBlack Case in Minerva Leather\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMinerva is a plain unmilled leather, which at first has a matte finish, but its abundant oils enable the leather to acquire a natural sheen over time.  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOliva Case in Pueblo Leather\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis leather has a distressed look, created by buffing Minerva leather with a steel ball, providing a richly colored finish.  The leather has a rustic feel at first, developing a smooth, deep patina with use.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black, Oliva\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Korea\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11.7 x 4.6 x 18.5 cm\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Black","offer_id":40751959507134,"sku":"SP2000T Case black","price":99.95,"currency_code":"USD","in_stock":false},{"title":"Oliva","offer_id":40751959539902,"sku":"SP2000T Case oliva","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SP2000T_Case_08_1024x1024_9f7f38f0-a37c-4499-a35d-4746d7d98d14.png?v=1762458563"},{"product_id":"astell-kern-ak-zero1-in-ear-monitor","title":"Astell \u0026 Kern AK ZERO1 In-Ear Monitor - Discontinued","description":"\u003ch2\u003eAK ZERO1\u003c\/h2\u003e\n\u003cp\u003eThe AK ZERO1 is a brand-new In-Ear Monitor product from Astell\u0026amp;Kern. Astell\u0026amp;Kern strives to inspire and bring enjoyment to all through the magnificence of experiencing music as close to the original sound. \u003c\/p\u003e\n\u003cp\u003eWe worked tirelessly to find ways of helping more people enjoy the pleasure of music and strive to develop sound as true to analog as possible. \u003c\/p\u003e\n\u003cp\u003eAK ZERO1 is the first model that offers the sound that only Astell\u0026amp;Kern can provide. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree Different Types of Drivers\u003c\/li\u003e\n\u003cli\u003ePerfectly Harmonized Driver Structure\u003c\/li\u003e\n\u003cli\u003eHighest Cross-Over Network Management\u003c\/li\u003e\n\u003cli\u003eAcoustic Chamber created using 3D Printed Technology\u003c\/li\u003e\n\u003cli\u003ePrecise CNC Machined Metal Housing\u003c\/li\u003e\n\u003cli\u003eHi-Fi Grade Pure Silver-Coated OFC Cable\u003c\/li\u003e\n\u003cli\u003eHand Crafted in Japan \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing the first In-Ear Monitor from Astell\u0026amp;Kern, the long-awaited AK ZERO1.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eZERO is a number that represents the reference point, and it also means the beginning.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern, the global leader in the Hi-Fi portable audio market, introduces a new In-Ear Monitor product from the starting point of \"ZERO\".\u003c\/p\u003e\n\u003cp\u003eAK ZERO1 is a new start for Astell\u0026amp;Kern and aims to be the new standard for In-Ear Monitors.\u003c\/p\u003e\n\u003cp\u003eBy building on our experience in IEM manufacturing from “ZERO,” we push to make ZERO1 a truly best in class product and a market leader in the Hi-Fi IEM arena.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHybrid\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEssence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePromise\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWe create the perfect balance by considering different preferences.\u003c\/td\u003e\n\u003ctd\u003eWe believe that wherever you are, the highest quality should be fulfilled as purely and honestly as possible.\u003c\/td\u003e\n\u003ctd\u003eWe embark on new challenges to break new boundaries and enter a new era.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe hybrid IEM AK ZERO1 focuses on combining the sounds of three unique driver technologies into one IEM.\u003c\/p\u003e\n\u003cp\u003eComposed of a Micro Rectangular Planar Dynamic Driver, two BA drivers, and a 5.6 mm Dynamic Driver, the AK ZERO1 harmonizes the characteristics of each driver to deliver the most natural sound to your ears.\u003c\/p\u003e\n\u003cp\u003eAn ideal frequency response was created through the Cross Over Network, which is designed based on a thorough understanding of each driver’s parameters. At the same time, each driver is carefully placed in the optimal 3D position, enclosed in specifically designed acoustic chambers manufactured with precise 3D printing technology.\u003c\/p\u003e\n\u003cp\u003eBy implementing this, we eliminated unnecessary movement and resonance of the drivers to ensure a stable performance.\u003c\/p\u003e\n\u003cp\u003eThe housing, which  is designed with Astell\u0026amp;Kern's unique advanced aluminum-refining technology, keeps resonance to a minimum and creates the highest-quality sound.\u003c\/p\u003e\n\u003ch3\u003eSpecial Micro Rectangular Planar Dynamic Driver, Crisp and Dynamic Treble Sound\u003c\/h3\u003e\n\u003cp\u003eThe Micro Rectangular Planar Dynamic Driver is a specially developed driver with highly advanced technology that allows a planar driver, normally a very difficult driver to scale down, to be applied to in-ear monitors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDual Custom Balanced Armature Driver, Transparent Vocal Sound\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTwo BA drivers are made using custom coil parameters and offer crystal-clear vocals with super-low distortion.\u003c\/p\u003e\n\u003ch3\u003eSingle 5.6mm Dynamic Driver, Rich and Deep Bass Sound\u003c\/h3\u003e\n\u003cp\u003eThe 5.6 mm Dynamic Driver has been created through a fully automated, error-free process, ensuring rich, controlled and deep low frequencies.\u003c\/p\u003e\n\u003ch3\u003eHi-Fi Grade Pure Silver-Coated OFC Cable 4 Core (3.5mm Plug)\u003c\/h3\u003e\n\u003cp\u003eThe Pure Silver-Coated OFC cable maximizes the performance of the Hybrid IEM AK ZERO1. 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Synt3's superb sense of design is always at the forefront of the industry.\u003c\/p\u003e\n\u003cp\u003eThe soft and durable LASKINA® polyurethane fabric made by Synt3 in Italy offers protection against external shocks and scratches while providing excellent grip and a stylish look.\u003cbr\u003e\u003cbr\u003eThe MEMORY material of the case is a polyurethane fabric that mimics the texture of classic, high-end leather, for a luxurious and vibrant look, including natural leather-style creases and shine.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHandmade case\u0026amp;Sir Case for Astell\u0026amp;Kern A\u0026amp;norma SR25 MKII \/ SR25\u003c\/li\u003e\n\u003cli\u003ePerfectly fit for AK A\u0026amp;norma SR25 MKII \/ SR25. Inside Steel Framed Case Cover\u003c\/li\u003e\n\u003cli\u003eProtects from Shocks and Fingerprints and Scratches. 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Astell\u0026amp;Kern strives to inspire and bring enjoyment to all through the magnificence of experiencing music as close to the original sound. \u003c\/p\u003e\n\u003cp\u003eWe worked tirelessly to find ways of helping more people enjoy the pleasure of music and strive to develop sound as true to analog as possible. \u003c\/p\u003e\n\u003cp\u003eAK ZERO1 is the first model that offers the sound that only Astell\u0026amp;Kern can provide. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThree Different Types of Drivers\u003c\/li\u003e\n\u003cli\u003ePerfectly Harmonized Driver Structure\u003c\/li\u003e\n\u003cli\u003eHighest Cross-Over Network Management\u003c\/li\u003e\n\u003cli\u003eAcoustic Chamber created using 3D Printed Technology\u003c\/li\u003e\n\u003cli\u003ePrecise CNC Machined Metal Housing\u003c\/li\u003e\n\u003cli\u003eHi-Fi Grade Pure Silver-Coated OFC Cable\u003c\/li\u003e\n\u003cli\u003eHand Crafted in Japan \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIntroducing the first In-Ear Monitor from Astell\u0026amp;Kern, the long-awaited AK ZERO1.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eZERO is a number that represents the reference point, and it also means the beginning.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern, the global leader in the Hi-Fi portable audio market, introduces a new In-Ear Monitor product from the starting point of \"ZERO\".\u003c\/p\u003e\n\u003cp\u003eAK ZERO1 is a new start for Astell\u0026amp;Kern and aims to be the new standard for In-Ear Monitors.\u003c\/p\u003e\n\u003cp\u003eBy building on our experience in IEM manufacturing from “ZERO,” we push to make ZERO1 a truly best in class product and a market leader in the Hi-Fi IEM arena.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHybrid\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEssence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePromise\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWe create the perfect balance by considering different preferences.\u003c\/td\u003e\n\u003ctd\u003eWe believe that wherever you are, the highest quality should be fulfilled as purely and honestly as possible.\u003c\/td\u003e\n\u003ctd\u003eWe embark on new challenges to break new boundaries and enter a new era.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe hybrid IEM AK ZERO1 focuses on combining the sounds of three unique driver technologies into one IEM.\u003c\/p\u003e\n\u003cp\u003eComposed of a Micro Rectangular Planar Dynamic Driver, two BA drivers, and a 5.6 mm Dynamic Driver, the AK ZERO1 harmonizes the characteristics of each driver to deliver the most natural sound to your ears.\u003c\/p\u003e\n\u003cp\u003eAn ideal frequency response was created through the Cross Over Network, which is designed based on a thorough understanding of each driver’s parameters. At the same time, each driver is carefully placed in the optimal 3D position, enclosed in specifically designed acoustic chambers manufactured with precise 3D printing technology.\u003c\/p\u003e\n\u003cp\u003eBy implementing this, we eliminated unnecessary movement and resonance of the drivers to ensure a stable performance.\u003c\/p\u003e\n\u003cp\u003eThe housing, which  is designed with Astell\u0026amp;Kern's unique advanced aluminum-refining technology, keeps resonance to a minimum and creates the highest-quality sound.\u003c\/p\u003e\n\u003ch3\u003eSpecial Micro Rectangular Planar Dynamic Driver, Crisp and Dynamic Treble Sound\u003c\/h3\u003e\n\u003cp\u003eThe Micro Rectangular Planar Dynamic Driver is a specially developed driver with highly advanced technology that allows a planar driver, normally a very difficult driver to scale down, to be applied to in-ear monitors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDual Custom Balanced Armature Driver, Transparent Vocal Sound\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTwo BA drivers are made using custom coil parameters and offer crystal-clear vocals with super-low distortion.\u003c\/p\u003e\n\u003ch3\u003eSingle 5.6mm Dynamic Driver, Rich and Deep Bass Sound\u003c\/h3\u003e\n\u003cp\u003eThe 5.6 mm Dynamic Driver has been created through a fully automated, error-free process, ensuring rich, controlled and deep low frequencies.\u003c\/p\u003e\n\u003ch3\u003eHi-Fi Grade Pure Silver-Coated OFC Cable 4 Core (3.5mm Plug)\u003c\/h3\u003e\n\u003cp\u003eThe Pure Silver-Coated OFC cable maximizes the performance of the Hybrid IEM AK ZERO1. It has been exquisitely crafted with high-purity silver plating and copper, and the aluminum plugs give it even more class.\u003c\/p\u003e\n\u003cp\u003eThe MMCX connector provides the best quality, offering a long-lasting stable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e*4.4mm balanced cable sold separately.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eMade in Japan\u003c\/h3\u003e\n\u003cp\u003eThe Hybrid IEM AK ZERO1 is meticulously manufactured and assembled by highly experienced engineers in facilities in Japan to the highest of tolerances, achieving the highest quality possible.\u003c\/p\u003e\n\u003ch2\u003ePackage contents include:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAK ZERO1 Earphones L\/R x 1\u003c\/li\u003e\n\u003cli\u003e3.5mm MMCX Cable x 1\u003c\/li\u003e\n\u003cli\u003e5 Pairs of Silicone Ear tips\u003c\/li\u003e\n\u003cli\u003e1 Pair of Foam Tips\u003c\/li\u003e\n\u003cli\u003eCarrying Case x 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output\u003c\/h3\u003e\n\u003cp\u003eIn order to perfectly drive the most sophisticated headphones, a device must be able to fully deliver output that matches the characteristics of the headphone.\u003cbr\u003eACRO CA1000 supports 4 levels of gain settings so that almost any existing headphones can be driven to an optimal state.\u003c\/p\u003e\n\u003cp\u003eThe gain setting circuitry implemented in the CA1000 can drive even high-impedance headphones without degrading the sound quality using a max output of 15Vrms.\u003c\/p\u003e\n\u003cp\u003eThe ACRO CA1000 unlocks the potential of headphones for a fully immersive experience.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eACRO CA1000\u003c\/td\u003e\n\u003ctd\u003eKANN CUBE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (SUPER)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 8Vrms,\u003cbr\u003eBalanced 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Load)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCPU:\u003c\/strong\u003e Quad-Core\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDAC:\u003c\/strong\u003e ESS ES9068AS X4 (Quad-DAC)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth:\u003c\/strong\u003e V5.0 (A2DP, AVRCP, Qualcomma AptX% HD, LDAC)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDecoding:\u003c\/strong\u003e Support Up to 32 bit \/ 384 kHz Bit-To-Bit Playback\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeadphone Outputs:\u003c\/strong\u003e Unbalanced (3.5 mm, 6.35 mm) \/ Balanced (2.5 mm, 4.4 mm)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Inputs Outputs:\u003c\/strong\u003e RCA (Stereo Pair) x 1 RCA (Stereo Pair) x 1\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Inputs Outputs:\u003c\/strong\u003e Coaxial x 1, Optical x 1, USB(Type-C) x 1 Optical(3.5mm) x 1, USB(Type-C) x 1\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWifi:\u003c\/strong\u003e 802.11 A\/B\/G\/N\/Ac (2.4\/5 GHz)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4.12 in.(104.9 mm)[W] X 1.77 in.(45 mm)[H] X 5.85 in.(148.8 mm)[D]\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e About 32.41 oz (919g)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTHD+N:\u003c\/strong\u003e 0.005% @ 1 kHz, Unbalanced \/ 0.002% @ 1 kHz, Balanced \/ 0.0004% @ 1 kHz, RCA\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eS\/N:\u003c\/strong\u003e 107 dB @ 1 kHz, Unbalanced \/ 115 dB @ 1 kHz, Balanced \/ 119 dB @ 1 kHz, RCA\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":42366570266857,"sku":"ACRO CA1000 Moon Silver","price":2199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/AKCarriableHeadphoneAMP_006-1x.jpg?v=1759442797"},{"product_id":"astell-kern-acro-ca1000-portable-headphone-amplifier-open-box","title":"Astell \u0026 Kern ACRO CA1000 Headphone Amplifier (Open Box) - Discontinued","description":"\u003ch2\u003ePowerful Audio Anywhere, CA1000\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eIntroducing the Astell\u0026amp;Kern CA1000 Carryable Headphone Amp.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePowerful Output 15Vrms\u003c\/li\u003e\n\u003cli\u003eESS ES9068AS Quad-DAC\u003c\/li\u003e\n\u003cli\u003eNative DSD 512\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA\u003c\/li\u003e\n\u003cli\u003ePowerful Connections\u003c\/li\u003e\n\u003cli\u003eUSB PD Fast Charging\u003c\/li\u003e\n\u003cli\u003eCrossfeed\u003c\/li\u003e\n\u003cli\u003eMQA 8X\u003c\/li\u003e\n\u003cli\u003eLDAC aptX-HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ACRO CA1000 is a headphone amplifier that combines the functions and portability of a high-performance amplifier and DAP based on Astell\u0026amp;Kern's fundamental philosophy of delivering original sound.\u003c\/p\u003e\n\u003cp\u003eThe ACRO CA1000 sets a new standard for headphone amplifiers, providing powerful and clear sound with the features never available on any other headphone amplifiers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePerfectly drive any headphone\/IEM with 4 levels of gain and up to 15Vrms output\u003c\/li\u003e\n\u003cli\u003eMultiple inputs and outputs provide maximum options and compatibility with all of your audio equipment\u003c\/li\u003e\n\u003cli\u003eEquipped with ESS ES9068AS Quad-DAC for detailed and balanced sound\u003c\/li\u003e\n\u003cli\u003eSupport for 32bit\/384kHz PCM and Native DSD512 playback\u003c\/li\u003e\n\u003cli\u003eBuilt-in Battery- Portable amplifier can operate without external power supply\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA, the epitome of Astell\u0026amp;Kern audio technology\u003c\/li\u003e\n\u003cli\u003eCrossfeed support for a more natural acoustic experience with headphones\u003c\/li\u003e\n\u003cli\u003eSupport for the latest Bluetooth 5.0 and wireless 24-bit codecs (Qualcomm® aptX™ HD, LDAC)\u003c\/li\u003e\n\u003cli\u003eDual-Band Wi-Fi support for greater wireless connectivity\u003c\/li\u003e\n\u003cli\u003eReplayGain that automatically adjusts sound levels across different music tracks\u003c\/li\u003e\n\u003cli\u003eSilver Plating Shield to minimize noise and interference\u003c\/li\u003e\n\u003cli\u003eView you screen anywhere with a display adjustable up to 60 degrees\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerfectly drive any headphone\/IEM with 4 levels of gain and up to 15Vrms output\u003c\/h3\u003e\n\u003cp\u003eIn order to perfectly drive the most sophisticated headphones, a device must be able to fully deliver output that matches the characteristics of the headphone.\u003cbr\u003eACRO CA1000 supports 4 levels of gain settings so that almost any existing headphones can be driven to an optimal state.\u003c\/p\u003e\n\u003cp\u003eThe gain setting circuitry implemented in the CA1000 can drive even high-impedance headphones without degrading the sound quality using a max output of 15Vrms.\u003c\/p\u003e\n\u003cp\u003eThe ACRO CA1000 unlocks the potential of headphones for a fully immersive experience.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eACRO CA1000\u003c\/td\u003e\n\u003ctd\u003eKANN CUBE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (SUPER)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 8Vrms,\u003cbr\u003eBalanced 15Vrms\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (HIGH)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms,\u003cbr\u003eBalanced 12Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms,\u003cbr\u003eBalanced 12Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Mid)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms,\u003cbr\u003eBalanced 8Vrms\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"n3\"\u003e \u003cspan class=\"n4\"\u003eUnbalanced 4Vrms,\u003cbr\u003eBalanced 8Vrms\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Low)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms,\u003cbr\u003eBalanced 4Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms,\u003cbr\u003eBalanced 4Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e* *Based on condition no load, there may be differences depending on the measurement method used.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":42649438585065,"sku":"ACRO CA1000 Moon Silver (OB)","price":2089.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/AKCarriableHeadphoneAMP_006-1x_173294cc-6ab9-447b-b162-2dd869cec016.jpg?v=1762460965"},{"product_id":"astell-kern-a-ultima-sp2000t-digital-audio-player-open-box","title":"Astell \u0026 Kern A\u0026ultima SP2000T Digital Audio Player (Open box) - Discontinued","description":"\u003ch2\u003eA\u0026amp;ultima, SP2000T\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTriple AMP System\u003c\/li\u003e\n\u003cli\u003eESS ES9068AS Quad-DAC\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA\u003c\/li\u003e\n\u003cli\u003eLDAC aptX-HD\u003c\/li\u003e\n\u003cli\u003eFull HD Display\u003c\/li\u003e\n\u003cli\u003eMQA\u003c\/li\u003e\n\u003cli\u003eBT Sink\u003c\/li\u003e\n\u003cli\u003eDual band Wi-Fi 2.4, 5Ghz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFind Your Optimal Sound\u003c\/h2\u003e\n\u003cp\u003eStaying true to our philosophy of delivering original audio experiences without compromise, Astell\u0026amp;Kern strives to design portable music players that reach beyond the capabilities of a standard playback device to enhance the listener’s music enjoyment.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T combines the OP AMP configuration of our SP2000—the culmination of Astell\u0026amp;Kern's finest audio technology—with a nostalgic vacuum TUBE AMP, adding a vintage feel to the portable player.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThe Triple Amp System Takes Acoustics to a New Level.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVacuum Tube Amplifier Compatible with 2.5 mm, 3.5 mm and 4.4 mm Output Jacks.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEquipped with ESS ES9068AS QUAD-DAC, for Balanced, Ultra Detailed Sound.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTERATON ALPHA, Astell\u0026amp;Kern's Ultimate Sound Solution.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReplayGain Function to Maintain Consistent Playback Levels between Tracks.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDual-Band Wi-fi Support for Uninterrupted Wireless Connection and Improved Compatibility.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInternal Mechanical Design to Minimize Noise\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIntroducing the A\u0026amp;ultima SP2000T. The Ingenious New Solution.\u003c\/p\u003e\n\u003ch2\u003eSP2000\u003cstrong\u003eT\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \"\u003cstrong\u003eT\u003c\/strong\u003e\" in SP2000T does not stand for a specific word, but rather encompasses design approaches and directions made during the product development process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003erue\u003cbr\u003eThe SP2000T inherits the SP2000's true-sound philosophy\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eriple\u003cbr\u003eTriple AMP System\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eimeless\u003cbr\u003eTimeless Value\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eube\u003cbr\u003eVintage Vacuum Tube Amplifier\u003c\/p\u003e\n\u003ch2\u003eTRIPLE AMP SYSTEM is the Next Generation of AMP Technology\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T exceeds the standard approach to AMP Mode selection, based on the type of music you are listening to. Select between TUBE AMP mode, OP AMP mode, or the brand-new HYBRID AMP mode.\u003c\/p\u003e\n\u003cp\u003eOP AMP mode puts Astell\u0026amp;Kern's AMP technology expertise to use, delivering extreme clarity and dynamic sound, while TUBE AMP mode provides a uniquely warm and musical sound.\u003c\/p\u003e\n\u003cp\u003eHYBRID AMP mode - a first for digital audio players - enhances the resolution and clarity of the existing TUBE AMP mode to express more musical detail. 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It features an anode grid filament structure which operates the same as a triode vacuum tube. It's much smaller, consumes far less power and yet delivers the same audio with rich overtones.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T supports all output types, with no restriction on the type of receiver used, so listeners can enjoy the unique characteristics of the vacuum tube.\u003c\/p\u003e\n\u003ch2\u003eHYBRID AMP MODE\u003c\/h2\u003e\n\u003cp\u003eHYBRID AMP mode supported for the first time by DAP is the essence of Astell\u0026amp;Kern's advanced AMP design technology.\u003c\/p\u003e\n\u003cp\u003eNew combinations of sounds can be enjoyed in HYBRID AMP mode, which is based on the OP AMP sound and addition of tasteful warm tones unique to TUBE AMP technology.\u003c\/p\u003e\n\u003ch2\u003eInternal Mechanical Design to Minimize Noise\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSpecial Design to Minimize Microphonics Noise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSP200T features a special design tailored to minimize microphonics (the phenomenon wherein the vacuum tubes generate noise even from a small external impact).\u003c\/p\u003e\n\u003cp\u003eMultiple design iterations and verifications have been performed over a long period of time to fix the structural issues of vacuum tubes that generate microphonics noise even from a small impact or vibration.\u003c\/p\u003e\n\u003cp\u003eFor minimization of mechanical impact and vibration, both sides of the vacuum tube are fixed with flexible silicone covers, and the vacuum tube has been modularized so it is physically separate from the PCB.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern goes to great lengths to innovate and design these small components that make a big difference in the quality and sound of our products that no other manufacturer can match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeparation Using Magnetic Polarity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA structure that uses magnetic forces to float the amp in the air, thus minimizing noise from the vacuum tube itself, which is generated when it is exposed to mechanical impact or vibration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Silicone Covers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/www.astellnkern.com\/eng\/resources\/img\/userdata\/sp2000t\/img-covers.png\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSilver Plating Shield Can\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern products apply shield cans so that noise and electromagnetic interference, which occur when the countless parts are in operation, do not affect the audio block.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T has taken it a step further by applying highly conductive, hyper-pure silver plating on the existing shield cans for perfect shielding that provides excellent audio performance.\u003c\/p\u003e\n\u003ch2\u003eAstell\u0026amp;Kern Audio Technology Forms the TERATON ALPHA Sound Solution\u003c\/h2\u003e\n\u003cp class=\"wrap-content\"\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003ch2\u003eAdoption of Full HD Display for Improved Image Quality\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T features a full HD screen to provide a higher quality display.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e441 PPI\u003cbr\u003e\u003c\/strong\u003eHigh pixel density\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5.0 inch\u003c\/strong\u003e \u003cbr\u003eLarge display\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e16.7M colors\u003cbr\u003e\u003c\/strong\u003eLarge color gamut\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1920*1080\u003cbr\u003e\u003c\/strong\u003eHigh resolution\u003c\/p\u003e\n\u003ch2\u003eQuad-DAC for Perfection of Superior Sound\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T is equipped with four ES9068AS DACs, this allows two DACs per channel for dedicated decoding.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T achieves a more detailed and balanced sound with great depth and spatial realism.\u003c\/p\u003e\n\u003ch2\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h2\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SP2000T.\u003c\/p\u003e\n\u003cp\u003e- ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch2\u003eDual-Band Wi-Fi (2.4\/5 GHz)\u003c\/h2\u003e\n\u003cp\u003eDual-Band Wi-Fi is supported for users who enjoy streaming services, providing enhanced network performance.\u003c\/p\u003e\n\u003cp\u003eWith streaming music services becoming more popular, stronger and more reliable network reception becomes even more important for your audio experience.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T supports Dual Band Wi-Fi (2.4\/5GHz, a\/b\/g\/n\/ac).\u003c\/p\u003e\n\u003ch2\u003eAK File Drop to enjoy wireless transfers\u003c\/h2\u003e\n\u003cp\u003eThe new AK File Drop function in the SP2000T makes files transfers easier and more convenient.\u003c\/p\u003e\n\u003cp\u003eUsing AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network.\u003c\/p\u003e\n\u003cp\u003eMusic file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch2\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h2\u003e\n\u003cp\u003eThe newly introduced BT Sink function connects the SP2000T to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker.\u003c\/p\u003e\n\u003cp\u003eMusic from an external device, such as a smartphone can now be played back in high-quality on the SP2000T using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eReal-Time Playback and AMP Mode Information Reflected by Light\u003c\/h2\u003e\n\u003cp\u003eThrough the softly dispersing LED light, Users are notified of the bit depth information of the song being played or the current AMP mode.\u003c\/p\u003e\n\u003cp\u003e* LED light may be turned on or off in the user settings, and one can choose between the sound source information or AMP mode information displays.\u003c\/p\u003e\n\u003ch2\u003eMQA \u003c\/h2\u003e\n\u003cp\u003eMQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording.\u003c\/p\u003e\n\u003cp\u003eThe master MQA file is fully authenticated and is small enough to stream or download. Visit mqa.co.uk for more information.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern SP2000T includes MQA technology, which enables you to play back MQA audio files and streams, delivering the sound of the original master recording.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePackage contents include:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA\u0026amp;ultima SP2000T Device x 1\u003c\/li\u003e\n\u003cli\u003eTan Leather Case x 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C Cable x 1\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide x 1\u003c\/li\u003e\n\u003cli\u003eWarranty Card x 1\u003c\/li\u003e\n\u003cli\u003emicroSD card slot cover x 2\u003c\/li\u003e\n\u003cli\u003eProtective Film (Front x 2, Back x 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003ch3\u003eGeneral Specifications\u003c\/h3\u003e\n\u003cp\u003eModel\u003cbr\u003eSP2000T\u003c\/p\u003e\n\u003cp\u003eBody Color\u003cbr\u003eOnyx Black\u003c\/p\u003e\n\u003cp\u003eBody Material\u003cbr\u003eAluminum\u003c\/p\u003e\n\u003cp\u003eDisplay\u003cbr\u003e5inch FHD 1280 x 1080 Touch display\u003c\/p\u003e\n\u003cp\u003eSupported Audio Formats\u003cbr\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF\u003c\/p\u003e\n\u003cp\u003eSample rate\u003cbr\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \/ DSD Native: DSD64(1bit 2.8MHz), Stereo혻\u003cbr\u003e\/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo \/ DSD512(1bit 22.4MHz), Stereo\u003c\/p\u003e\n\u003cp\u003eOutput Level\u003cbr\u003eUnbalanced 3.0Vrms \/ Balanced 6.0Vrms (Condition No Load)\u003c\/p\u003e\n\u003cp\u003eCPU\u003cbr\u003eOcta-Core\u003c\/p\u003e\n\u003cp\u003eDAC\u003cbr\u003eESS ES9068AS x4 (Quad-DAC)\u003c\/p\u003e\n\u003cp\u003eVacuum Tube\u003cbr\u003eKORG Nutube 6P1\u003c\/p\u003e\n\u003cp\u003eDecoding\u003cbr\u003eSupport up to 32bit \/ 384Hz Bit-to-Bit Playback\u003c\/p\u003e\n\u003cp\u003eInput\u003cbr\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003cp\u003eOutputs\u003cbr\u003eUnbalanced Out (3.5mm) \/ Optical Out (3.5mm) \/ Balanced Out (2.5mm, only 4-pole supported \/ 4.4m, only 5-pole supported) )\u003c\/p\u003e\n\u003cp\u003eWi-Fi\u003cbr\u003e802.11 a\/b\/g\/n\/ac (2.4\/5GHz)\u003c\/p\u003e\n\u003cp\u003eDimensions\u003cbr\u003e3.07 ”(78.1 mm) [W] x 5.55 ”(141.1 mm) [H] x 0.68 ”(17.5 mm) [D]\u003c\/p\u003e\n\u003cp\u003eWeight\u003cbr\u003eabout 10.89 oz (309 g)\u003c\/p\u003e\n\u003cp\u003eFeature Enhancements\u003cbr\u003eFirmware upgrades supported (OTA)\u003c\/p\u003e\n\u003ch3\u003eAudio Performance\u003c\/h3\u003e\n\u003cp\u003eFrequency Response\u003cbr\u003e±0.024dB (Condition: 20Hz~20kHz) Unbalanced \/ ±0.038dB (Condition: 20Hz~20kHz) Balanced\u003cbr\u003e±0.027dB (Condition: 20Hz~70kHz) Unbalanced \/ ±0.052dB (Condition: 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003cp\u003eSignal to Noise Ratio\u003cbr\u003e121dB @ 1kHz, Unbalanced \/ 123dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eCrosstalk\u003cbr\u003e-137dB @ 1kHz, Unbalanced \/ -142dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eTHD+N\u003cbr\u003e0.0003% @ 1kHz, Unbalanced \/ 0.0003% @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eIMD SMPTE\u003cbr\u003e0.0003% 800Hz 10kHz(4:1) Unbalanced \u0026amp; Balanced\u003c\/p\u003e\n\u003cp\u003eOutput Impedance\u003cbr\u003eUnbalanced Out 3.5mm (1.5ohm) \/ Balanced out 2.5mm (1ohm)\u003c\/p\u003e\n\u003ch3\u003eClock source\u003c\/h3\u003e\n\u003cp\u003eClock Jitter\u003cbr\u003e25ps(Typ)\u003c\/p\u003e\n\u003cp\u003eReference Clock Jitter\u003cbr\u003e70ps\u003c\/p\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cp\u003eCapacity\u003cbr\u003e4,200mAh 3.8V Li-Polymer Battery\u003c\/p\u003e\n\u003cp\u003ePlayback Time\u003cbr\u003eAbout 9 hours (Standard : FLAC, 16bit\/44.1kHz, Unbalance, Volume 50, LCD Off, LED On, OP AMP Mode)\u003c\/p\u003e\n\u003cp\u003eCharge Time\u003cbr\u003eAbout 3.5 hours (Standard - 9V\/1.67A Fast charging)\u003cbr\u003eAbout 5 hours (Standard - 5V\/2A General charging)\u003c\/p\u003e\n\u003ch3\u003eMemory\u003c\/h3\u003e\n\u003cp\u003eBuilt-in Memory\u003cbr\u003e256GB [NAND]\u003c\/p\u003e\n\u003cp\u003eExternal Memory\u003cbr\u003emicroSD (Max. 1TB) x1\u003c\/p\u003e\n\u003ch3\u003eOS\u003c\/h3\u003e\n\u003cp\u003eSupported OS\u003cbr\u003eWindows 7,8,10 (32\/64bit), MAC OS X 10.7 and up\u003c\/p\u003e\n\u003cp\u003e- The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":42907269464297,"sku":"SP2000T (OB)","price":2374.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SP2000T_04_74cb9226-b236-468b-b960-d91f7fb76707.png?v=1762461283"},{"product_id":"astell-kern-kann-max-hi-res-audio-player","title":"Astell \u0026 Kern KANN MAX Hi-Res Audio Player - Discontinued","description":"\u003ch2\u003eEngineered to Powerful Perfection\u003c\/h2\u003e\n\u003cp\u003eThe KANN series is a portable player lineup loved by audiophiles all over the world for its performance focused on high output and clear sound. KANN MAX, the fourth product in the KANN series, builds on the advantages of the KANN series with higher output and portability. It provides 4 levels of gain and up to 15Vrms output so that a wide array of headphones can be driven in an optimal state.\u003c\/p\u003e\n\u003cp\u003eBy integrating the proven design of the KANN series into a lighter weight and smaller sized player, we have realized both ultra-high output and low noise. KANN MAX features ESS ES9038Q2M Quad-DAC together with Astell\u0026amp;Kern's unique audio technology to provide the best performance you can feel from a portable DAP.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4-step gain level with maximum 15Vrms output\u003c\/li\u003e\n\u003cli\u003ePerfect circuit design with ultra-high output and low noise in an even smaller sized player\u003c\/li\u003e\n\u003cli\u003eEquipped with ESS ES9038Q2M Quad-DAC that reproduces clear, exceptional output\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA, the epitome of Astell\u0026amp;Kern audio technology\u003c\/li\u003e\n\u003cli\u003e32-bit\/768kHz, Native DSD512 support\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 and 24-bit codec (Qualcomm® aptX™ HD , LDAC) support\u003c\/li\u003e\n\u003cli\u003eReplayGain that automatically adjusts volume to be consistent across tracks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUltra-High Output in a Smaller Size Device\u003c\/h2\u003e\n\u003cp\u003eKANN MAX takes the identity of the series to the next level to provide a perfect experience with high power and clear sound. It provides 4 stages of gain level and ultra-high output of up to 15Vrms, which was previously only possible with a stationary headphone amplifier.\u003c\/p\u003e\n\u003cp\u003eKANN MAX can perfectly drive even the most sophisticated headphones with high impedance.\u003c\/p\u003e\n\u003cp\u003eKANN MAX offers a smaller size and weight than the KANN APLHA player, which boasted the best portability in the existing KANN series.\u003c\/p\u003e\n\u003cp\u003eAlthough smaller in size, all power-related components have been analyzed and the power circuit has been redesigned several times to achieve 13 hours of continuous playback.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN MAX\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN ALPHA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN CUBE\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Super)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 8Vrms, Balanced 15Vrms\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (High)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Mid)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Low)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (WxHxD)\u003c\/td\u003e\n\u003ctd\u003e68.3x117 x23.6(mm)\u003c\/td\u003e\n\u003ctd\u003e68.3 x 117 x 25(mm)\u003c\/td\u003e\n\u003ctd\u003e87.7 x 140 x 31.5(mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eabout 10.76oz (305g)\u003c\/td\u003e\n\u003ctd\u003eabout 11.14 oz (about 316g)\u003c\/td\u003e\n\u003ctd\u003eabout 17.3 oz (493g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlayback Time\u003c\/td\u003e\n\u003ctd\u003e13 hours\u003c\/td\u003e\n\u003ctd\u003e14.5 Hours\u003c\/td\u003e\n\u003ctd\u003e9 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e* Based on condition no load, there may be differences depending on the measurement method.\u003c\/p\u003e\n\u003ch2\u003ePerfect Circuit Design That Achieves Both Ultra-High Output and Low Noise\u003c\/h2\u003e\n\u003cp\u003eAs the output increases, so does the noise level.\u003c\/p\u003e\n\u003cp\u003eKANN MAX is equipped with ultra-high output, does not allow any noise and conveys Astell\u0026amp;Kern's philosophy of delivering the original sound as it should be, without compromise. Together, we have completed the perfect circuit design to achieve this.\u003c\/p\u003e\n\u003cp\u003eKANN MAX applies an analog volume controller to deliver a rich dynamic range without loss. By separately configuring the power supply IC for each Audio Block divided into DAC, Volume, and AMP, KANN MAX is designed to stably supply the power required for each Audio IC. Through this design, the interference ripple noise of the DC-DC power supply (the shaking noise phenomenon that occurs when power is supplied) is removed. Audio noise that can be heard amplified like audio sound in OP AMP is minimized.\u003c\/p\u003e\n\u003cp\u003eUltra-high output and low noise in the KANN MAX was achieved through different circuit design, including creating and dividing a limited PCB that is the same size as KANN ALPHA into 12 layers and reviewing the physical size of the device applied to the AMP circuit.\u003c\/p\u003e\n\u003ch2\u003eQuad-DAC Sound That Reproduces Clear and Overwhelming Sound Output\u003c\/h2\u003e\n\u003cp\u003eKANN MAX is the first player in the KANN series to be equipped with four ES9038Q2M DACs for high-output performance.\u003c\/p\u003e\n\u003cp\u003eBy applying Quad DACs, one DAC can be fully allocated to one channel, so the depth and realism of the sound source can be expressed to the fullest.\u003c\/p\u003e\n\u003cp\u003eCombined with Astell\u0026amp;Kern's amplifier circuit technology that naturally and delicately raises the strengths of the DAC, and the perfect decoding ability of the DAC to deliver the original sound as it is, music output is expressed as the original sound without distortion.\u003c\/p\u003e\n\u003cp\u003eFour DACs applied to KANN MAX, a power supply IC configured for each audio block, and a perfect circuit design produce ultra-high output and low noise, providing you with the best performance and sound that the KANN series is known for.\u003c\/p\u003e\n\u003ch2\u003eGold PVD Output Coating\u003c\/h2\u003e\n\u003cp\u003eIn order to minimize contact noise from the output jacks, a gold PVD coating method is applied to the headphone connector instead of the typical rings used by other products. This improves both design and function.\u003c\/p\u003e\n\u003ch2\u003e32-bit\/768kHz, Native DSD512 Support\u003c\/h2\u003e\n\u003cp\u003eBit-to-bit playback is available up to 32-bit\/768Hz, and DSD playback is native up to 22.4MHz, for uncompressed sound quality, staying true to the artist’s original intention, in high-resolution and with minimal distortion.\u003c\/p\u003e\n\u003ch2\u003eAstell\u0026amp;Kern Audio Technology Forms the TERATON ALPHA Sound Solution\u003c\/h2\u003e\n\u003cp\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's Ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003ch2\u003eEquipped with Bluetooth 5.0 and Support for Wireless 24-bit aptX™-HD, LDAC Codecs\u003c\/h2\u003e\n\u003cp\u003eBluetooth 5.0 features faster transmission speed and greater range compared to Bluetooth 4.2, therefore providing a more stable wireless connection. Both LDAC and aptX™ HD is supported to provide audiophiles with high-quality sound even when listening wirelessly.\u003c\/p\u003e\n\u003ch2\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h2\u003e\n\u003cp\u003eThe BT Sink function connects the KANN MAX to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the KANN MAX using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h2\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on KANN MAX.\u003c\/p\u003e\n\u003cp\u003e* ReplayGain supports up to 24bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAK File Drop to enjoy wireless transfers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe new AK File Drop function in the KANN MAX makes files transfers easier and more convenient.\u003c\/p\u003e\n\u003cp\u003eUsing AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch2\u003eReal-Time Information Confirmed by Light\u003c\/h2\u003e\n\u003cp\u003eKANN MAX features a LED volume wheel which displays various playback information, including volume level and bit-rate of the track currently playing.\u003c\/p\u003e\n\u003cp\u003e* LED can be turned on or off according to user setting.\u003c\/p\u003e\n\u003ca\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eKANN MAX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e \n\u003cp\u003eAnthracite Gray\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e \n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e \n\u003cp\u003e4.1-inch 720 x 1280 touch screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e \n\u003cp\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample Rate\u003c\/strong\u003e \n\u003cp\u003ePCM : 8kHz ~ 768kHz (8\/16\/24\/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), DSD512(1bit, 22.4MHz) Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level\u003c\/strong\u003e \n\u003cp\u003e[Low] Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load), [Mid] Unbalanced 4Vrms \/ Balanced 8Vrms (Condition No Load), [High] Unbalanced 6Vrms \/ Balanced 12Vrms (Condition No Load), [Super] Unbalanced 8Vrms \/ Balanced 15Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e \n\u003cp\u003eQuad-core\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e \n\u003cp\u003eESS ES9038Q2M x4 (Quad-DAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e \n\u003cp\u003eSupport up to 32-bit\/768kHz Bit-to-Bit Playback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e \n\u003cp\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out (3.5mm), Optical Out (3.5mm) Balanced Out (2.5mm, only 4-pole supported | 4.4m, only 5-pole supported)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e \n\u003cp\u003e802.11 b\/g\/n (2.4GHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e \n\u003cp\u003eV5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e \n\u003cp\u003e2.68\"(68.3mm)[W] x 4.6\"(117mm)[H] x 0.92\"(23.6mm)[D]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e \n\u003cp\u003eabout 10.76oz (305g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e \n\u003cp\u003eFirmware upgrade supported (OTA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e \n\u003cp\u003e0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eAudio Performance\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \n\u003cp\u003e±0.023dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.026dB (Condition : 20Hz~20kHz) Balanced ±0.035dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.072dB (Condition : 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e \n\u003cp\u003e114dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e \n\u003cp\u003e-124dB @ 1kHz, Unbalanced │ -135dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e \n\u003cp\u003e0.0003% @ 1kHz, Unbalanced │ 0.0004% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e \n\u003cp\u003e0.0007% 800Hz 10kHz (4:1) Unbalanced │ 0.0007% 800Hz 10kHz (4:1) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out 3.5mm (1ohm) │ Balanced Out 2.5mm (1.6ohm), 4.4mm (1.6ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eClock Source\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e \n\u003cp\u003e25ps (Typ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock Jitter\u003c\/strong\u003e \n\u003cp\u003e70ps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eBattery\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e \n\u003cp\u003e5,600mAh 3.8V Li-Polymer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e \n\u003cp\u003eabout 3.5 hours (9V 1.67A Fast Charging) | 5.5hours (5V 2A General Charging)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e \n\u003cp\u003eabout 13 hours (Standard: FLAC, 16bit, 44.1kHz, Unbalanced, Vol.40, LCD Off, LED On, Low Gain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003ca\u003eMemory\u003c\/a\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Memory\u003c\/strong\u003e \n\u003cp\u003e64GB [NAND]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Memory\u003c\/strong\u003e \n\u003cp\u003emicroSD x1 (Max. 1TB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003ca\u003eOS\u003c\/a\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported OS\u003c\/strong\u003e \n\u003cp\u003eWindows 7,8,10(32\/64bit) MAC OS X 10.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eEtc.\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e \n\u003cp\u003e- Audio was NOT muted during the measurement. - The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":43054291419369,"sku":"KANN MAX Anthracite Grey","price":1299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/kannmax-003_1200x1200_53751f00-3be1-4248-9f4d-7a8d5224c7fe.png?v=1762461566"},{"product_id":"astell-kern-kann-max-leather-cases","title":"Astell \u0026 Kern Leather Case for KANN MAX","description":"\u003ch3\u003eThe Perfect Fit and Best Grip\u003c\/h3\u003e\n\u003cp\u003eThe case of KANN MAX is made of high-quality vegetable tanned leather from BADALASSI CARLO and CONCERIA WALPIER, and boasts a high degree of perfection that matches the design of KANN MAX.\u003c\/p\u003e\n\u003cp\u003eThe case is available in three colors and is wrapped around the entire product, providing excellent protection and the best grip with a perfect fit.\u003c\/p\u003e\n\u003ch3\u003eLeather from BADALASSI CARLO\u003c\/h3\u003e\n\u003cp\u003eBadalassi Carlo, a tannery founded by CARLO BADALASSI, who was a professor at a leather school in the Santa Croce region, has been producing leather for more than 40 years by integrating the traditional vegetable leather processing method developed in Tuscany with his unique theory and technology.\u003c\/p\u003e\n\u003cp\u003eVegetable leather processing is an eco-friendly leather manufacturing method that takes a long time to complete by tanning leather only with tannins extracted from plants.\u003c\/p\u003e\n\u003cp\u003eThe leathers of Badalassi Carlo use the vacchetta technique that was developed in Tuscany and then processed using vegetable oil for tanning.\u003c\/p\u003e\n\u003cp\u003eThe company pursues high quality by creating products using small batch, handcrafted traditional techniques rather than mass production. The tannery is highly regarded and preferred by famous manufacturers around the world who value the quality of leather produced.\u003c\/p\u003e\n\u003ch3\u003eLeather from CONCERIA WALPIER\u003c\/h3\u003e\n\u003cp\u003eEstablished in 1973 in San Miniato, Tuscany, Italy, Walpier Tannery has been in business for three generations and has a long tradition of making leather products based on their highly regarded vegetable tanning processes. The tannery uses only 100% raw hide leathers imported from France and is a member of Vera Pelle, Italy’s association of vegetable-based leather tanners.\u003c\/p\u003e\n\u003cp\u003eWalpier's vegetable tanning is a traditional leather processing method handed down from father to son for centuries in the Tuscany region. The tanning process usually takes 40 days and is a process only practiced by Italian tanners of the world.\u003c\/p\u003e\n\u003cp\u003eIn addition, leather products that undergo the vegetable-based tanning process continue to gradually tan over time according to the user's care, usage, style, etc., showing the user's lifestyle and making the product completely unique.\u003c\/p\u003e\n\u003ch3\u003e[Mud] Khaki Brown Case\u003c\/h3\u003e\n\u003cp\u003eThe Khaki Brown case of KANN MAX uses Walpier vegetable tanned leather.\u003c\/p\u003e\n\u003cp\u003eThis is Astell\u0026amp;Kern’s first-time using Mud leather, which is a leather product that contains a unique beauty with a strong, yet soft feel.\u003c\/p\u003e\n\u003cp\u003eMud leather is processed using raw hides from northern France that have narrow pores and excellent quality. This high quality, full-grain, vegetable tanned leather undergoes minimal artificial post-processing which produces a beautiful, natural luster while maintaining some of the original and natural markings. Since Mud is milled leather, the original grain is well preserved and remains true to its natural embossed texture.\u003c\/p\u003e\n\u003cp\u003eAlthough it is a very tough and durable leather, it has a unique feature of having a soft, smooth feel that is achieved by applying a light paraffin wax one time prior to milling.\u003c\/p\u003e\n\u003ch3\u003e[Buttero] Black Case\u003c\/h3\u003e\n\u003cp\u003eThe black color case of KANN MAX uses Walpier's Buttero leather.\u003c\/p\u003e\n\u003cp\u003eButtero leather is a leather made by milling the leather to make it soft and natural on the surface. Buttero leather, like other leather used by Walpier, is manufactured from the finest French hides, so the texture is dense, and the surface is smooth.\u003c\/p\u003e\n\u003cp\u003eDue to Walpier’s highly regarded method of vegetable tanning, the Buttero leather boasts excellent color with a perfect surface finish and is highly resistant to scratches. This allows manufacturers to utilize the original texture of the leather without the problems normally associated with other vegetable processing.\u003c\/p\u003e\n\u003ch3\u003e[Minerva] Bluish Green Case\u003c\/h3\u003e\n\u003cp\u003eMinerva leather, unlike Minerva Box, is a plain, un-milled leather that looks matte at first, but as it gets used, the color deepens and the luster increases, so you can see and feel the change over time.\u003c\/p\u003e\n\u003cp\u003eMinerva is a vegetable tanned leather made using the unique Vacchetta method from Tuscany. At first, the leather looks matte with a lack of sheen, but over time it adds a natural luster and deepens the color. This is because there is no artificial coating on the leather surface, so the gloss rises naturally from the oil contained in the leather itself as it is used. As with other vegetable tanned leathers, Minerva is especially beautiful with time.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Bluish Green","offer_id":43054302855401,"sku":"KANN MAX Case Blue","price":119.0,"currency_code":"USD","in_stock":false},{"title":"Black","offer_id":43054296924393,"sku":"KANN MAX Case Black","price":119.0,"currency_code":"USD","in_stock":false},{"title":"Khaki Brown","offer_id":43054296957161,"sku":"KANN MAX Case Brown","price":119.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/kannmaxcase_004.jpg?v=1762461566"},{"product_id":"astell-kern-hc2-female-4-4mm-to-male-usb-c-lightning-dual-dac-amplifier-cable","title":"Astell \u0026 Kern AK HC2 Female 4.4mm to Male USB-C\/Lightning Dual DAC Amplifier Cable - Discontinued","description":"\u003ch2\u003eConnected to be Hi-Fi Hi-Fi Dual DAC Cable - AK HC2\u003c\/h2\u003e\n\u003cp\u003eHigh-resolution sound on streaming services allows you to fully appreciate the rich tones and emotional nuance of your music.\u003c\/p\u003e\n\u003cp\u003eHowever, as headphone ports disappear on smartphones, it makes it increasingly difficult to use wired earphones that deliver high quality sound, and people experience the limitations of wireless transmission and slow response speeds. Music lovers who wish to enjoy true high-quality Hi-Fi sound rather than what is currently being delivered by smartphone wireless standards and computers' built-in sound cards are becoming deeply concerned.\u003c\/p\u003e\n\u003cp\u003eDeveloped to solve this problem, HC2 is Astell\u0026amp;Kern's second model with a specialized USB DAC function.\u003c\/p\u003e\n\u003cp\u003eWhile retaining the strengths of HC1 (PEE51), the first model, its functions have been supplemented to allow more people to enjoy true Hi-Fi sound. Introducing AK HC2, where you can experience and enjoy Astell\u0026amp;Kern's sincerity and philosophy for music. No matter what device you use, the moment you connect the HC2, the Hi-Fi experience will begin.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports 4.4mm Balanced Output\u003c\/li\u003e\n\u003cli\u003ePowerful 4Vrms Output\u003c\/li\u003e\n\u003cli\u003eEquipped With CS43198 Dual DAC for True Hi-Fi Sound\u003c\/li\u003e\n\u003cli\u003eDual Shielded Cable\u003c\/li\u003e\n\u003cli\u003eFull Aluminum Refined Material\u003c\/li\u003e\n\u003cli\u003eCompatible With iOS and Android Devices\u003c\/li\u003e\n\u003cli\u003eOptional Android APP (For Detailed Volume Control)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe Choice for Hi-Fi Sound — Ultra High-Resolution Sound From Dual DACs\u003c\/h2\u003e\n\u003cp\u003eThe Astell\u0026amp;Kern HC2 USB-C Dual DAC Cable features two Cirrus Logic CS43198 MasterHIFI™ DACs, a MasterHIFI™-level DAC that graces only a select few products, including the A\u0026amp;norma series, that are proven and celebrated by music lovers.\u003c\/p\u003e\n\u003cp\u003eThe HC2 provides Native DSD256 and 32-bit\/384kHz support that enables it to play back high-quality sound files so you can enjoy the luxury and premium sound quality of Astell\u0026amp;Kern.\u003c\/p\u003e\n\u003ch2\u003eThe Result of AK’s Ultra-Fine Audio Design Technology\u003c\/h2\u003e\n\u003cp\u003eWith its compact size and uncompromising performance, the HC2 makes it easy to enjoy real Hi-Fi sound anytime, anywhere.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern is adored by countless music lovers thanks to our dedication and meticulous delivery of the original sound with our signature DAPs, or portable high resolution audio players.\u003c\/p\u003e\n\u003cp\u003eWe included the Astell\u0026amp;Kern technology and know-how that has been accumulated from our DAPs over the years in this small device, measuring just 14x53mm.\u003c\/p\u003e\n\u003cp\u003eWe used micro resistors and capacitor parts to achieve the small dimensions without compromising performance. Tailored ultra-small tantalum capacitors, which are used in AK player products to create a stable system and audio performance by controlling the power fluctuations, are also included to create the optimal audio circuit. In addition, the output and audio performance are enhanced with Astell\u0026amp;Kern's unique technology while minimizing current consumption in consideration of the connected device. This enables you to enjoy the original sound without any distortion even when using high-impedance headphones or sensitive earphones.\u003c\/p\u003e\n\u003ch2\u003eHigh Output Noise-Free Sound With 4.4mm Output\u003c\/h2\u003e\n\u003cp\u003eAK HC2 uses a 4.4mm balanced output—unlike the previous model that uses a 3.5mm unbalanced output—allowing a greater variety of headphones and earphones that are made for Hi-Fi sound to be used optimally with a small USB DAC.\u003c\/p\u003e\n\u003cp\u003eWith the use of the 4.4mm balanced output, a higher output can be achieved with clearer channel separation while minimizing noise. With HC2 you can enjoy high-quality sound via a balanced output that brings out the best performance in your headphones or earphones.\u003c\/p\u003e\n\u003ch2\u003eEasy and Convenient — Plug \u0026amp; Play\u003c\/h2\u003e\n\u003cp\u003eConnect directly to a Windows PC, Mac, smartphone or tablet with a USB-C port that supports plug \u0026amp; play, without needing a separate conversion adapter, and enjoy high-quality sound.\u003c\/p\u003e\n\u003cp\u003eThe HC2 utilizes power from the connected playback device so it does not need to be charged or be connected to a separate external sound card, AMP or DAC. Just connect HC2 to experience high-fidelity sound from a computer or mobile device.\u003c\/p\u003e\n\u003cp\u003eThe HC2 is also compatible with iOS devices using the included USB-C to Lightning adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* TRS and TRRS 4.4mm earphones and headphones can all be used, but note that the in-line controller and microphone features of TRRS earphones and headphones are not supported. \u003c\/em\u003e\u003cbr\u003e\u003cstrong\u003e\u003cem\u003e* The iOS Lightning Adapter is only compatible with AK HC2.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eNoise-Free Rear Output Structure\u003c\/h2\u003e\n\u003cp\u003eAK HC2 has a rear audio output design to minimize noise.\u003c\/p\u003e\n\u003cp\u003eMost USB DAC products have the DAC positioned in the USB terminal that is connected directly to the device to process and output audio.\u003c\/p\u003e\n\u003cp\u003eHowever, with the HC2, digital signals from the device go through the dual shielded cable to the audio circuit before being converted to an analog signal by the DAC. By processing the digital signal after, the result is superior, noise-free sound compared to other USB DAC products.\u003c\/p\u003e\n\u003ch2\u003eDual Noise Shielded Cable\u003c\/h2\u003e\n\u003cp\u003eThe AK HC2 features a dual shielded cable to minimize noise and deliver more vivid, original sound. The copper core wire is coated with tin to prevent corrosion and strengthen tensile force for enhanced durability.\u003c\/p\u003e\n\u003cp\u003eIn addition, the entire cable is wrapped in an aluminum film to block noise, the biggest issue in audio, then the tin-coated copper wire is woven to minimize noise interference to sound.\u003c\/p\u003e\n\u003ch2\u003eVolume Control Through a Dedicated Android APP\u003c\/h2\u003e\n\u003cp\u003eAs is common with USB DACs, compatibility issues can arise such as different connected devices being set automatically to maximum volume output or playback at too low volume.\u003c\/p\u003e\n\u003cp\u003eTo resolve such issues and offer more greater control over volume and function of the HC2, we have developed a companion app for Android OS devices.\u003c\/p\u003e\n\u003ch2\u003ePrecautions When Using the Product\u003c\/h2\u003e\n\u003cp\u003eThis product is compatible with most Android and iOS smartphones and tablets, Windows 10\/11 and macOS products. In some cases, it may not be compatible or may be restricted depending on the hardware, software and\/or system of the device that you connect.\u003c\/p\u003e\n\u003cp\u003eWhen connecting to a Windows PC, the driver will automatically be recognized and installed. For high-quality sound files, you are required to install a separate USB DAC driver which can be downloaded from the Support — Download section on the website.\u003c\/p\u003e\n\u003cp\u003eTo play DSD and high-quality PCM sound files on a smartphone, you must install a separate free\/paid player program that supports high-resolution audio playback. (When using the default player app on a mobile device, the file will be downsampled. Please make sure to play it with a different player app)\u003c\/p\u003e\n\u003cp\u003eMake sure check the volume on your connected player device before using headphones or earphones. Some devices may automatically set the output level to maximum volume when the cable is connected. Listening to headphones or earphones at maximum volume may damage your hearing. Please verify the volume level before each use.\u003c\/p\u003e\n\u003cp\u003eDo not connect the USB-C Dual DAC Cable to an Astell\u0026amp;Kern player. When connecting the cable to a player and using it as an external DAC, the output volume will be fixed at the maximum volume setting. It is not possible to adjust the volume through the Astell\u0026amp;Kern player. Listening at maximum or a high-volume setting may cause serious damage to your hearing. Astell\u0026amp;Kern, its affiliates and agencies, cannot be held liable for any damage or injuries from negligent or inappropriate use.\u003c\/p\u003e\n\u003cp\u003eFirmware updates may be released periodically for stability improvements. For more information on firmware updates and to check if a firmware update is available, please visit the Support — Download section on the website.\u003c\/p\u003e\n\u003ca\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eAK HC2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e \n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e \n\u003cp\u003eDark Silver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e \n\u003cp\u003eCS43198 Dual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample Rate\u003c\/strong\u003e \n\u003cp\u003ePCM: Support up to 32bit\/384kHz \/ DSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e \n\u003cp\u003eUSB Type-C Input(for Windows 10,11, Android, iOS smartphone \u0026amp; Tablet PC, macOS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput\u003c\/strong\u003e \n\u003cp\u003e4.4mm balanced out\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e \n\u003cp\u003eUSB Plug: 12 x 21 x 6.5mm \/ 4.4mm Headphone: 22.8 x 60 x 12.1mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e \n\u003cp\u003eAbout 29g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eAudio Performance\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \n\u003cp\u003e±0.011dB (Condition: 20Hz~20kHz) Balanced ±0.145dB (Condition: 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal to Noise Ratio\u003c\/strong\u003e \n\u003cp\u003e122dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e \n\u003cp\u003e0.0004% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIME SMPTE\u003c\/strong\u003e \n\u003cp\u003e0.0003%, 800Hz 10kHz (4:1), Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance \u003c\/strong\u003e \n\u003cp\u003e4.4mm (1.5ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Power or Voltage \u003c\/strong\u003e \n\u003cp\u003e4Vrms (condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":43054316421353,"sku":"HC2\/PEE52","price":179.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/usb-001_1200x1200_b8295386-3f54-490d-b57c-72d36a7ba883.png?v=1762461566"},{"product_id":"astell-kern-a-ultima-sp1000m-leather-case-open-box","title":"Astell \u0026 Kern Leather Case for A\u0026ultima SP1000M (Open Box)","description":"\u003cp\u003eA\u0026amp;ultima SP1000M Case\u003c\/p\u003e\n\n\u003cmain\u003e\n\n\n\n\n\n\u003cp\u003e\u003cimg alt=\"\" height=\"386\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/SP1000M_Cases_52418407-db3b-4e58-ab2a-ef4fc04f4ba2.png?v=1547674457\" width=\"592\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe A\u0026amp;ultima SP1000M leather case has a value that is more than just protecting the device.\u003c\/p\u003e\n\u003cp\u003eThe cases have been carefully crafted to complement the SP1000M and accent its perfect high-end style.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" height=\"544\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/MG_4573_copy.jpg?v=1547674518\" width=\"591\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Navy Blue \/ Navy color leather case is made of Tuscany Belly leather, processed and supplied by the world-famous Walpier Tannery of Italy.\u003c\/p\u003e\n\u003cp\u003eTuscany Belly leather of Walpier Tannery, the same family brand of Buttero, boasts excellent color with a perfect surface finish, which makes its vegetable-tanned leather highly resistant to scratches. \u003cbr\u003eThe surface of leather is dyed one at a time by leather craftsmen and shows a natural two-tone effect that adds to the sensation of depth in the leather.\u003c\/p\u003e\n\u003cimg alt=\"\" height=\"480\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Screen_Shot_2019-01-16_at_1.37.08_PM.png?v=1547674658\" width=\"591\"\u003e\n\n\u003cp\u003eEstablished in 1973 in San Miniato, Tuscany, Walpier Tannery has been in business for three generations and has a long tradition of making leather products based on vegetable tanning process. \u003cbr\u003eThe tannery handles 100% cow hair leathers imported from France and is a member of Vera Pelle, Italy’s association of vegetable-based leather tanners.\u003c\/p\u003e\n\u003cp\u003eThe traditional vegetable tanning technology of Tuscany Belly has been handed down father to son for centuries in the Tuscany region. \u003cbr\u003eThe tanning process usually takes 40 days by putting raw leather with natural tanning extracted from a variety of trees in a drum. \u003cbr\u003eThis is a processing method only practiced by Italian tanners of the world.\u003c\/p\u003e\n\u003cp\u003eLeather products that undergo the vegetable-based tanning process show the owner’s lifestyle vividly and make the products their own as it takes a long time to break in depending on the owner’s way of handling.\u003c\/p\u003e\n\u003cp\u003eThe Elephant Gray case is crafted with Maine leather, a product of Tempesti, honoring its Italian heritage of fine craftsmanship.\u003c\/p\u003e\n\u003cp\u003eIn 1995, Tempesti developed the vegetable Maine leather tanning process to produce a variety of luxuriously beautiful colors, marking an industry revolution. \u003cbr\u003eMore than 50 different colors including pastels set apart Maine leather-accented products from the rest.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" height=\"504\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Screen_Shot_2018-11-26_at_5.19.06_PM.png?v=1543281649\" width=\"752\"\u003e\u003c\/p\u003e\n\u003cp\u003eTempesti, which laid the foundation of VERA PELLE, the association of Italian vegetable tanning, has been producing natural leather for four generations since 1945. Leather has been produced in Tuscany since the Etruscans settled in the area in the 8th century B.C., and for the past 3,000 years, Tempesti has honored that tradition by making the finest leather in rich colors.\u003c\/p\u003e\n\u003cp\u003eRawhide is carefully selected from farms that comply with strict animal and environment protection standards implemented by Northern European countries such as France, Sweden, Denmark, and Belgium, which are the world’s top markets for rawhide.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" height=\"991\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1202\/6638\/files\/Screen_Shot_2019-01-16_at_1.39.12_PM.png?v=1547674790\" width=\"1000\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFor the A\u0026amp;ultima SP1000M\u003c\/li\u003e\n\u003cli\u003eProtects Against Bumps and Scratches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Walpier Tannery, Tuscany Belly, Tempesti, Maine\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Navy, Elephant Grey, Navy Blue\u003c\/p\u003e\n\n\n\n\n\n\u003c\/main\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Elephant Gray","offer_id":43214362673385,"sku":"AKSP1000CASEGRY (OB)","price":126.65,"currency_code":"USD","in_stock":true},{"title":"Navy Blue","offer_id":43214362640617,"sku":"AKSP1000MCASENBL (OB)","price":126.65,"currency_code":"USD","in_stock":false},{"title":"Navy","offer_id":43214362706153,"sku":"AKSP1000CASENAV (OB)","price":126.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/ak_sp1000case_gray_1_f478f1d2-1630-476c-b887-f9a327c5cd04.jpg?v=1770391488"},{"product_id":"astell-kern-a-futura-se180-leather-case-open-box","title":"Astell \u0026 Kern Leather Case for A\u0026futura SE180 (Open box) - Discontinued","description":"\n\u003cp\u003e\u003cspan\u003eExceptional SE180 Leather Case.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIn order to raise the bar of the SE180 even higher, much attention was devoted to the selection of leather for the case.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe leather case for the SE180 was made from a process called “Full Vegetable Tanning”.\u003cbr\u003eThis traditional method has been used in Italy for over 200 years.\u003cbr\u003ehe process brings out the special characteristic of leather while creating a natural tanning look.\u003cbr\u003eA variety of trees and plants are involved in this tanning process which takes about 40 days to complete and only the most experienced professionals in Italy possess the skills to do it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBadalassi Carlo was made by Professor Carlo Badalassi, who is known for his excellent skills with leather.\u003cbr\u003eUnlike modern methods, he uses a traditional method of making leather that requires extensive time and devotion.\u003cbr\u003eHis reputation is well-known among top expensive brands due to his focus on the leather quality over quantity.\u003cbr\u003e\u003cbr\u003eThis special leather material has a lot of oil in it that will allow the leather to shine the more it is used.\u003cbr\u003eMany tests and trials have been done with the creation of the leather case in order to highlight the unique design of the SE180\u003c\/span\u003e\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Black","offer_id":43265428455657,"sku":"Black (OB)","price":141.55,"currency_code":"USD","in_stock":false},{"title":"Navy","offer_id":43265428488425,"sku":"Navy (OB)","price":141.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SE180_Case_02x_c989a953-75f1-47db-acdf-289eb58866f2.jpg?v=1762461855"},{"product_id":"astell-kern-campfire-audio-collaboration-pathfinder-universal-fit-earphones","title":"Astell \u0026 Kern x Campfire Audio PATHFINDER Universal Fit Earphones - Discontinued","description":"\n\u003ch2\u003eThe Hybrid IEM Redefined\u003c\/h2\u003e\n\u003cp\u003eCampfire Audio and Astell\u0026amp;Kern have earned the recognition of audiophiles around the world thanks to their excellent technology introduced with the first collaboration model, AK Solaris X, which is a celebrated product that recreates the deep, rich sound of Astell\u0026amp;Kern.\u003c\/p\u003e\n\u003cp\u003eNow, Astell\u0026amp;Kern and Campfire Audio join forces once again to present PATHFINDER, a new hybrid IEM that offers amazing technology and sound.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern and Campfire Audio take innovation to a new level by combining their advanced technologies and designs to create a product worthy of the name PATHFINDER.\u003c\/p\u003e\n\u003cp\u003eTo realize this dream, they repeatedly tested numerous designs to produce a structure different from existing IEMs and added an innovative Dual-Diaphragm Balanced Armature Driver, finally achieving the best sound.\u003c\/p\u003e\n\u003cp\u003eEnjoy a unique experience through PATHFINDER, a more advanced Hybrid IEM.\u003c\/p\u003e\n\u003ch2\u003eAbout Campfire Audio\u003c\/h2\u003e\n\u003cp\u003eCampfire Audio springs from a passionate focus on refined audio reproduction. Each model in our earphone line is designed and assembled by hand in our Portland, Oregon workshop; our earphones are second to none in performance and finish. With a small team of highly skilled and dedicated craftspeople, we continuously experiment with materials and techniques to create something unique and special for the people who care most about it.\u003c\/p\u003e\n\u003ch2\u003eThe Combination for Perfect Balance\u003c\/h2\u003e\n\u003cp\u003eA completely new IEM design was needed for a wider frequency range, realistic reproduction, and a perfect balance.\u003c\/p\u003e\n\u003cp\u003eTo achieve this, PATHFINDER has a new Dual-Diaphragm Balanced Armature (BA) Driver from Knowles for the key part of the midrange, two BA drivers for high frequencies, as well as two dynamic drivers with hybrid diaphragms that create bass and midrange.\u003c\/p\u003e\n\u003cp\u003eA Radial Venting Acoustic Chamber, newly developed by Campfire Audio, is applied to the two Custom 10mm Dynamic Drivers. The 3D-printed chamber design naturally expresses the intense low-frequency sound produced by the two dynamic drivers while preserving the unique sound of the BA driver.\u003c\/p\u003e\n\u003ch2\u003eInternal Structure\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision-Milled Aluminum Shell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe precision-milled aluminum shells made with high-quality aluminum are anodized into a pitch-black “Night Sky” color.\u003c\/p\u003e\n\u003cp\u003eThe stainless steel parts and aluminum shells used in the body increase the product's durability and suppresses unnecessary vibrations for minimal noise and offers a secure fit so that users can enjoy a comfortable audio environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Level of Performance, Custom Dual Balanced Armature Drivers + T.A.E.C.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe newly customized Dual Balanced Armature Drivers present clearer and more precise expressions with T.A.E.C. (Tuned Acoustic Expansion Chamber) that expresses high frequencies without fatigue or sibilance through a specially designed audio technology.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe World's First, All-New Dual-Chamber Balanced Armature Driver Technology\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo create a higher quality acoustic performance and listening experience, we needed a new technology that previous products did not have.\u003c\/p\u003e\n\u003cp\u003eKnowles’ new ‘Dual-Diaphragm’ Balanced Armature Driver, used for the first time ever in PATHFINDER, is an innovative driver in which a single coil operates two individual diaphragms. It’s like a twin cylinder engine – delivering more horsepower and smoother operation compared to one with a single, larger piston.\u003c\/p\u003e\n\u003cp\u003eCompared to a traditional BA with a single, larger diaphragm, the all-new design incorporates two chambers, each housing its own diaphragm and drive rod actuated by a single coil, resulting in a higher, more powerful output for its size than any other BA and is excellent at expressing a warmer and more natural midrange.\u003c\/p\u003e\n\u003cp\u003eFind out more about the amazing performance of this brand-new Dual Diaphragm BA Driver unique to PATHFINDER.\u003c\/p\u003e\n\u003ch2\u003eBeryllium \/ Copper MMCX Connections\u003c\/h2\u003e\n\u003cp\u003eCustom Beryllium Copper MMCX connectors are more resilient against wear and tear than regular brass connectors, providing a robust mating mechanism; one that is typically made from soft brass.\u003c\/p\u003e\n\u003cp\u003eThis selection of a harder material extends the life of the component and the earphone.\u003c\/p\u003e\n\u003ch2\u003eSilver-Plated Copper and Flat Cable Design\u003c\/h2\u003e\n\u003cp\u003ePATHFINDER comes with three silver-plated copper cables allowing the earphones to reach their full performance potential. The silver-plated OFC copper Litz cable is a newly produced flat cable, with enameled silver-plated copper wire conductor to offer clearer, extended sounds.\u003c\/p\u003e\n\u003cp\u003eThe flat cable prevents tangling, can be wound for easy storage, and has minimal cable distortion.\u003c\/p\u003e\n\u003cp\u003eIt is over-molded for increased durability and finished with a metal housing.\u003c\/p\u003e\n\u003ch2\u003eFeatured Technologies\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eT.A.E.C. - Tuned Acoustic Expansion Chamber\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOur tuned acoustic expansion chamber technology allows us to deliver extended high frequencies without sibilance or fatigue. We optimize our driver performance by adjusting the volume of space available in front of the driver. This is superior to the typical \"Tube+Dampener\" system because it provides a direct passage from the driver to your ear, which results in unsurpassed clarity and extension.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRadial Venting Technology - 3D Printed Acoustic Tuning for Dynamic Drivers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis allows our dynamic drivers to vent to the entire circumference of the driver. The practical impact is a larger soundstage and more presence without increasing pressure or bass bloat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3D Printed Interior - Carefully Designed for Optimum Sonic Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eClose attention to detail is critical to delivering you the superior musical experience from our earphones. Solaris features an acoustically optimized interior model that allows each driver to deliver the very best sound quality. When heard together, the drivers offer a seamless musical experience as a result of this process.\u003c\/p\u003e\n\u003ch2\u003eHandcrafted IEM Made in the USA\u003c\/h2\u003e\n\u003cp\u003ePATHFINDER is hand-assembled in Portland, Oregon, USA by skilled craftsmen, ensuring each individual earphone is manufactured to the highest quality standards.\u003c\/p\u003e\n\u003cp\u003ePathfinder combines Astell\u0026amp;Kern’s design philosophy, which expresses the purity of original sound with its philosophy of ‘light and shadow’, with Campfire Audio’s design philosophy, which expresses its awe of nature, gave birth to the ‘Mountain Peak’ inlay design.\u003c\/p\u003e\n\u003cp\u003eThe inlay is individually produced from stainless steel and consists of six different sides that depict light and shadow. Together, these luminous sides form the shape of a brilliant mountain that rises from the earth. PATHFINDER, with its precision production, expresses dynamic beauty and displays the value of the premium craftsmanship and innovation that Campfire Audio and Astell\u0026amp;Kern pride themselves in.\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eModel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePATHFINDER\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eTransducer Type\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e[High] Custom Dual Balanced Armature Drivers + T.A.E.C. \u003cbr\u003e[Mid] All-New 'Dual Chamber' Balanced Armature Driver Technology from Knowles \u003cbr\u003e[Mid-Low to Sub-Bass] All-New Dual Custom 10mm Dynamic Drivers paired with Radial Venting Technology\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eCable\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2.5mm Silver-Plated Copper Cable \u003cbr\u003e3.5mm Silver-Plated Copper Cable \u003cbr\u003e4.4mm Silver-Plated Copper Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eMaterial \/ Design\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003eAluminum Shell \u003cbr\u003eHand Polished Stainless Steel Threaded Spout \u003cbr\u003eStainless Steel Inlay and Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFrequency Response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e5Hz-20kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSPL\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e94dB @ 1kH 13.49mVrms\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eImpedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e6.2ohm @ 1kHz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eTotal Harmonic Distortion\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eLess than 1%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage contents include:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePATHFINDER Earphones L\/R x 1\u003c\/li\u003e\n\u003cli\u003e2.5mm Silver-Plated Copper Cable x 1\u003c\/li\u003e\n\u003cli\u003e3.5mm Silver-Plated Copper Cable x 1\u003c\/li\u003e\n\u003cli\u003e4.4mm Silver-Plated Copper Cable x 1\u003c\/li\u003e\n\u003cli\u003e5 Pairs of Final Audio E-Type Earphone Tips (XS\/S\/M\/L\/XL)\u003c\/li\u003e\n\u003cli\u003e3 Pairs of Campfire Audio Marshmallow Earphone Tips (S\/M\/L)\u003c\/li\u003e\n\u003cli\u003e3 Pairs of Silicone Earphone Tips (S\/M\/L)\u003c\/li\u003e\n\u003cli\u003eEarphone Cleaning Tool x 1\u003c\/li\u003e\n\u003cli\u003eLeather Zipper Case x 1\u003c\/li\u003e\n\u003cli\u003eEarphone Protection Sleeve x 1\u003c\/li\u003e\n\u003cli\u003eEarphone Tips and Cable Storage Pouch x 1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":43268917395689,"sku":"PATHFINDER","price":1899.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/PATHFINDER_05_2048x2048_a5d6fc23-0c98-48da-80ad-f2ee68d691d4.png?v=1762461864"},{"product_id":"astell-kern-a-ultima-sp2000t-copper-nickel-limited-edition-digital-audio-player","title":"Astell \u0026 Kern A\u0026ultima SP2000T Copper Nickel Limited Edition Digital Audio Player - Discontinued","description":"\u003ch2\u003eA\u0026amp;ultima, SP2000T\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTriple AMP System\u003c\/li\u003e\n\u003cli\u003eESS ES9068AS Quad-DAC\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA\u003c\/li\u003e\n\u003cli\u003eLDAC aptX-HD\u003c\/li\u003e\n\u003cli\u003eFull HD Display\u003c\/li\u003e\n\u003cli\u003eMQA\u003c\/li\u003e\n\u003cli\u003eBT Sink\u003c\/li\u003e\n\u003cli\u003eDual band Wi-Fi 2.4, 5Ghz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFind Your Optimal Sound\u003c\/h2\u003e\n\u003cp\u003eStaying true to our philosophy of delivering original audio experiences without compromise, Astell\u0026amp;Kern strives to design portable music players that reach beyond the capabilities of a standard playback device to enhance the listener’s music enjoyment.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T combines the OP AMP configuration of our SP2000—the culmination of Astell\u0026amp;Kern's finest audio technology—with a nostalgic vacuum TUBE AMP, adding a vintage feel to the portable player.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eThe Triple Amp System Takes Acoustics to a New Level.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eVacuum Tube Amplifier Compatible with 2.5 mm, 3.5 mm and 4.4 mm Output Jacks.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eEquipped with ESS ES9068AS QUAD-DAC, for Balanced, Ultra Detailed Sound.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTERATON ALPHA, Astell\u0026amp;Kern's Ultimate Sound Solution.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eReplayGain Function to Maintain Consistent Playback Levels between Tracks.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDual-Band Wi-fi Support for Uninterrupted Wireless Connection and Improved Compatibility.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInternal Mechanical Design to Minimize Noise\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIntroducing the A\u0026amp;ultima SP2000T. The Ingenious New Solution.\u003c\/p\u003e\n\u003ch2\u003eSP2000\u003cstrong\u003eT\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \"\u003cstrong\u003eT\u003c\/strong\u003e\" in SP2000T does not stand for a specific word, but rather encompasses design approaches and directions made during the product development process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003erue\u003cbr\u003eThe SP2000T inherits the SP2000's true-sound philosophy\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eriple\u003cbr\u003eTriple AMP System\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eimeless\u003cbr\u003eTimeless Value\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT\u003c\/strong\u003eube\u003cbr\u003eVintage Vacuum Tube Amplifier\u003c\/p\u003e\n\u003ch2\u003eTRIPLE AMP SYSTEM is the Next Generation of AMP Technology\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T exceeds the standard approach to AMP Mode selection, based on the type of music you are listening to. Select between TUBE AMP mode, OP AMP mode, or the brand-new HYBRID AMP mode.\u003c\/p\u003e\n\u003cp\u003eOP AMP mode puts Astell\u0026amp;Kern's AMP technology expertise to use, delivering extreme clarity and dynamic sound, while TUBE AMP mode provides a uniquely warm and musical sound.\u003c\/p\u003e\n\u003cp\u003eHYBRID AMP mode - a first for digital audio players - enhances the resolution and clarity of the existing TUBE AMP mode to express more musical detail. HYBRID AMP mode, combines the advantages of retro analog performance and high-resolution output, giving you the pleasure of a brand new tonal characteristic.\u003c\/p\u003e\n\u003cp\u003eExperience the unique sound enhancements that AMP technology has to offer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOP AMP Mode\u003c\/strong\u003e : Extreme clarity and dynamic sound\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTUBE AMP Mode\u003c\/strong\u003e : Uniquely warm and musical sound\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHYBRID AMP Mode\u003c\/strong\u003e : A fresh combination of retro vibes and high-resolution output.\u003c\/p\u003e\n\u003ch2\u003eVacuum Tube Amplifier Compatible with 2.5 mm, 3.5 mm and 4.4 mm Output Jacks\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T supports all output types, with no restriction on the type of receiver used, so you can enjoy the unique\u003c\/p\u003e\n\u003ch2\u003eReal Vacuum Tube\u003c\/h2\u003e\n\u003cp\u003eEquipped with the portable-friendly dual-triode KORG Nutube, for a unique TUBE AMP sound.\u003c\/p\u003e\n\u003cp\u003eNutube offers a reliable continuous playback time of approximately 30,000 hours. It features an anode grid filament structure which operates the same as a triode vacuum tube. It's much smaller, consumes far less power and yet delivers the same audio with rich overtones.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T supports all output types, with no restriction on the type of receiver used, so listeners can enjoy the unique characteristics of the vacuum tube.\u003c\/p\u003e\n\u003ch2\u003eHYBRID AMP MODE\u003c\/h2\u003e\n\u003cp\u003eHYBRID AMP mode supported for the first time by DAP is the essence of Astell\u0026amp;Kern's advanced AMP design technology.\u003c\/p\u003e\n\u003cp\u003eNew combinations of sounds can be enjoyed in HYBRID AMP mode, which is based on the OP AMP sound and addition of tasteful warm tones unique to TUBE AMP technology.\u003c\/p\u003e\n\u003ch2\u003eInternal Mechanical Design to Minimize Noise\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSpecial Design to Minimize Microphonics Noise\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSP200T features a special design tailored to minimize microphonics (the phenomenon wherein the vacuum tubes generate noise even from a small external impact).\u003c\/p\u003e\n\u003cp\u003eMultiple design iterations and verifications have been performed over a long period of time to fix the structural issues of vacuum tubes that generate microphonics noise even from a small impact or vibration.\u003c\/p\u003e\n\u003cp\u003eFor minimization of mechanical impact and vibration, both sides of the vacuum tube are fixed with flexible silicone covers, and the vacuum tube has been modularized so it is physically separate from the PCB.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern goes to great lengths to innovate and design these small components that make a big difference in the quality and sound of our products that no other manufacturer can match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeparation Using Magnetic Polarity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA structure that uses magnetic forces to float the amp in the air, thus minimizing noise from the vacuum tube itself, which is generated when it is exposed to mechanical impact or vibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSilver Plating Shield Can\u003c\/strong\u003e\u003cstrong\u003e\u003cimg class=\"center\" alt=\"\" src=\"https:\/\/www.astellnkern.com\/eng\/resources\/img\/userdata\/sp2000t\/img-covers.png\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern products apply shield cans so that noise and electromagnetic interference, which occur when the countless parts are in operation, do not affect the audio block.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T has taken it a step further by applying highly conductive, hyper-pure silver plating on the existing shield cans for perfect shielding that provides excellent audio performance.\u003c\/p\u003e\n\u003ch2\u003eAstell\u0026amp;Kern Audio Technology Forms the TERATON ALPHA Sound Solution\u003c\/h2\u003e\n\u003cp class=\"wrap-content\"\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003ch2\u003eAdoption of Full HD Display for Improved Image Quality\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T features a full HD screen to provide a higher quality display.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e441 PPI\u003cbr\u003e\u003c\/strong\u003eHigh pixel density\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5.0 inch\u003c\/strong\u003e \u003cbr\u003eLarge display\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e16.7M colors\u003cbr\u003e\u003c\/strong\u003eLarge color gamut\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1920*1080\u003cbr\u003e\u003c\/strong\u003eHigh resolution\u003c\/p\u003e\n\u003ch2\u003eQuad-DAC for Perfection of Superior Sound\u003c\/h2\u003e\n\u003cp\u003eThe SP2000T is equipped with four ES9068AS DACs, this allows two DACs per channel for dedicated decoding.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T achieves a more detailed and balanced sound with great depth and spatial realism.\u003c\/p\u003e\n\u003ch2\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h2\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SP2000T.\u003c\/p\u003e\n\u003cp\u003e- ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch2\u003eDual-Band Wi-Fi (2.4\/5 GHz)\u003c\/h2\u003e\n\u003cp\u003eDual-Band Wi-Fi is supported for users who enjoy streaming services, providing enhanced network performance.\u003c\/p\u003e\n\u003cp\u003eWith streaming music services becoming more popular, stronger and more reliable network reception becomes even more important for your audio experience.\u003c\/p\u003e\n\u003cp\u003eThe SP2000T supports Dual Band Wi-Fi (2.4\/5GHz, a\/b\/g\/n\/ac).\u003c\/p\u003e\n\u003ch2\u003eAK File Drop to enjoy wireless transfers\u003c\/h2\u003e\n\u003cp\u003eThe new AK File Drop function in the SP2000T makes files transfers easier and more convenient.\u003c\/p\u003e\n\u003cp\u003eUsing AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network.\u003c\/p\u003e\n\u003cp\u003eMusic file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch2\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h2\u003e\n\u003cp\u003eThe newly introduced BT Sink function connects the SP2000T to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker.\u003c\/p\u003e\n\u003cp\u003eMusic from an external device, such as a smartphone can now be played back in high-quality on the SP2000T using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eReal-Time Playback and AMP Mode Information Reflected by Light\u003c\/h2\u003e\n\u003cp\u003eThrough the softly dispersing LED light, Users are notified of the bit depth information of the song being played or the current AMP mode.\u003c\/p\u003e\n\u003cp\u003e* LED light may be turned on or off in the user settings, and one can choose between the sound source information or AMP mode information displays.\u003c\/p\u003e\n\u003ch2\u003eMQA \u003c\/h2\u003e\n\u003cp\u003eMQA (Master Quality Authenticated) is an award-winning British technology that delivers the sound of the original master recording.\u003c\/p\u003e\n\u003cp\u003eThe master MQA file is fully authenticated and is small enough to stream or download. Visit mqa.co.uk for more information.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern SP2000T includes MQA technology, which enables you to play back MQA audio files and streams, delivering the sound of the original master recording.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePackage contents include:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA\u0026amp;ultima SP2000T Device x 1\u003c\/li\u003e\n\u003cli\u003eTan Leather Case x 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C Cable x 1\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide x 1\u003c\/li\u003e\n\u003cli\u003eWarranty Card x 1\u003c\/li\u003e\n\u003cli\u003emicroSD card slot cover x 2\u003c\/li\u003e\n\u003cli\u003eProtective Film (Front x 2, Back x 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003ch3\u003eGeneral Specifications\u003c\/h3\u003e\n\u003cp\u003eModel\u003cbr\u003eSP2000T\u003c\/p\u003e\n\u003cp\u003eBody Color\u003cbr\u003eCopper Nickel\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eBody Material\u003cbr\u003eAluminum\u003c\/p\u003e\n\u003cp\u003eDisplay\u003cbr\u003e5inch FHD 1280 x 1080 Touch display\u003c\/p\u003e\n\u003cp\u003eSupported Audio Formats\u003cbr\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF\u003c\/p\u003e\n\u003cp\u003eSample rate\u003cbr\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \/ DSD Native: DSD64(1bit 2.8MHz), Stereo혻\u003cbr\u003e\/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo \/ DSD512(1bit 22.4MHz), Stereo\u003c\/p\u003e\n\u003cp\u003eOutput Level\u003cbr\u003eUnbalanced 3.0Vrms \/ Balanced 6.0Vrms (Condition No Load)\u003c\/p\u003e\n\u003cp\u003eCPU\u003cbr\u003eOcta-Core\u003c\/p\u003e\n\u003cp\u003eDAC\u003cbr\u003eESS ES9068AS x4 (Quad-DAC)\u003c\/p\u003e\n\u003cp\u003eVacuum Tube\u003cbr\u003eKORG Nutube 6P1\u003c\/p\u003e\n\u003cp\u003eDecoding\u003cbr\u003eSupport up to 32bit \/ 384Hz Bit-to-Bit Playback\u003c\/p\u003e\n\u003cp\u003eInput\u003cbr\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003cp\u003eOutputs\u003cbr\u003eUnbalanced Out (3.5mm) \/ Optical Out (3.5mm) \/ Balanced Out (2.5mm, only 4-pole supported \/ 4.4m, only 5-pole supported) )\u003c\/p\u003e\n\u003cp\u003eWi-Fi\u003cbr\u003e802.11 a\/b\/g\/n\/ac (2.4\/5GHz)\u003c\/p\u003e\n\u003cp\u003eDimensions\u003cbr\u003e3.07 ”(78.1 mm) [W] x 5.55 ”(141.1 mm) [H] x 0.68 ”(17.5 mm) [D]\u003c\/p\u003e\n\u003cp\u003eWeight\u003cbr\u003eabout 10.89 oz (309 g)\u003c\/p\u003e\n\u003cp\u003eFeature Enhancements\u003cbr\u003eFirmware upgrades supported (OTA)\u003c\/p\u003e\n\u003ch3\u003eAudio Performance\u003c\/h3\u003e\n\u003cp\u003eFrequency Response\u003cbr\u003e±0.024dB (Condition: 20Hz~20kHz) Unbalanced \/ ±0.038dB (Condition: 20Hz~20kHz) Balanced\u003cbr\u003e±0.027dB (Condition: 20Hz~70kHz) Unbalanced \/ ±0.052dB (Condition: 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003cp\u003eSignal to Noise Ratio\u003cbr\u003e121dB @ 1kHz, Unbalanced \/ 123dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eCrosstalk\u003cbr\u003e-137dB @ 1kHz, Unbalanced \/ -142dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eTHD+N\u003cbr\u003e0.0003% @ 1kHz, Unbalanced \/ 0.0003% @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp\u003eIMD SMPTE\u003cbr\u003e0.0003% 800Hz 10kHz(4:1) Unbalanced \u0026amp; Balanced\u003c\/p\u003e\n\u003cp\u003eOutput Impedance\u003cbr\u003eUnbalanced Out 3.5mm (1.5ohm) \/ Balanced out 2.5mm (1ohm)\u003c\/p\u003e\n\u003ch3\u003eClock source\u003c\/h3\u003e\n\u003cp\u003eClock Jitter\u003cbr\u003e25ps(Typ)\u003c\/p\u003e\n\u003cp\u003eReference Clock Jitter\u003cbr\u003e70ps\u003c\/p\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cp\u003eCapacity\u003cbr\u003e4,200mAh 3.8V Li-Polymer Battery\u003c\/p\u003e\n\u003cp\u003ePlayback Time\u003cbr\u003eAbout 9 hours (Standard : FLAC, 16bit\/44.1kHz, Unbalance, Volume 50, LCD Off, LED On, OP AMP Mode)\u003c\/p\u003e\n\u003cp\u003eCharge Time\u003cbr\u003eAbout 3.5 hours (Standard - 9V\/1.67A Fast charging)\u003cbr\u003eAbout 5 hours (Standard - 5V\/2A General charging)\u003c\/p\u003e\n\u003ch3\u003eMemory\u003c\/h3\u003e\n\u003cp\u003eBuilt-in Memory\u003cbr\u003e256GB [NAND]\u003c\/p\u003e\n\u003cp\u003eExternal Memory\u003cbr\u003emicroSD (Max. 1TB) x1\u003c\/p\u003e\n\u003ch3\u003eOS\u003c\/h3\u003e\n\u003cp\u003eSupported OS\u003cbr\u003eWindows 7,8,10 (32\/64bit), MAC OS X 10.7 and up\u003c\/p\u003e\n\u003cp\u003e- The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":43321808126185,"sku":"SP2000T Copper Nickel","price":2699.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SP2000T_Copper_Nickel_07_1200x1200_10b3bbf8-45af-4df4-b8a2-e440e9b04eaf.png?v=1762461924"},{"product_id":"astell-kern-kann-max-hi-res-audio-player-open-box","title":"Astell \u0026 Kern KANN MAX Hi-Res Audio Player (OPEN BOX) - Discontinued","description":"\u003ch2\u003eEngineered to Powerful Perfection\u003c\/h2\u003e\n\u003cp\u003eThe KANN series is a portable player lineup loved by audiophiles all over the world for its performance focused on high output and clear sound. KANN MAX, the fourth product in the KANN series, builds on the advantages of the KANN series with higher output and portability. It provides 4 levels of gain and up to 15Vrms output so that a wide array of headphones can be driven in an optimal state.\u003c\/p\u003e\n\u003cp\u003eBy integrating the proven design of the KANN series into a lighter weight and smaller sized player, we have realized both ultra-high output and low noise. KANN MAX features ESS ES9038Q2M Quad-DAC together with Astell\u0026amp;Kern's unique audio technology to provide the best performance you can feel from a portable DAP.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4-step gain level with maximum 15Vrms output\u003c\/li\u003e\n\u003cli\u003ePerfect circuit design with ultra-high output and low noise in an even smaller sized player\u003c\/li\u003e\n\u003cli\u003eEquipped with ESS ES9038Q2M Quad-DAC that reproduces clear, exceptional output\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA, the epitome of Astell\u0026amp;Kern audio technology\u003c\/li\u003e\n\u003cli\u003e32-bit\/768kHz, Native DSD512 support\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 and 24-bit codec (Qualcomm® aptX™ HD , LDAC) support\u003c\/li\u003e\n\u003cli\u003eReplayGain that automatically adjusts volume to be consistent across tracks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUltra-High Output in a Smaller Size Device\u003c\/h2\u003e\n\u003cp\u003eKANN MAX takes the identity of the series to the next level to provide a perfect experience with high power and clear sound. It provides 4 stages of gain level and ultra-high output of up to 15Vrms, which was previously only possible with a stationary headphone amplifier.\u003c\/p\u003e\n\u003cp\u003eKANN MAX can perfectly drive even the most sophisticated headphones with high impedance.\u003c\/p\u003e\n\u003cp\u003eKANN MAX offers a smaller size and weight than the KANN APLHA player, which boasted the best portability in the existing KANN series.\u003c\/p\u003e\n\u003cp\u003eAlthough smaller in size, all power-related components have been analyzed and the power circuit has been redesigned several times to achieve 13 hours of continuous playback.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN MAX\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN ALPHA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN CUBE\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Super)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 8Vrms, Balanced 15Vrms\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (High)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Mid)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Low)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (WxHxD)\u003c\/td\u003e\n\u003ctd\u003e68.3x117 x23.6(mm)\u003c\/td\u003e\n\u003ctd\u003e68.3 x 117 x 25(mm)\u003c\/td\u003e\n\u003ctd\u003e87.7 x 140 x 31.5(mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eabout 10.76oz (305g)\u003c\/td\u003e\n\u003ctd\u003eabout 11.14 oz (about 316g)\u003c\/td\u003e\n\u003ctd\u003eabout 17.3 oz (493g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlayback Time\u003c\/td\u003e\n\u003ctd\u003e13 hours\u003c\/td\u003e\n\u003ctd\u003e14.5 Hours\u003c\/td\u003e\n\u003ctd\u003e9 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e* Based on condition no load, there may be differences depending on the measurement method.\u003c\/p\u003e\n\u003ch2\u003ePerfect Circuit Design That Achieves Both Ultra-High Output and Low Noise\u003c\/h2\u003e\n\u003cp\u003eAs the output increases, so does the noise level.\u003c\/p\u003e\n\u003cp\u003eKANN MAX is equipped with ultra-high output, does not allow any noise and conveys Astell\u0026amp;Kern's philosophy of delivering the original sound as it should be, without compromise. Together, we have completed the perfect circuit design to achieve this.\u003c\/p\u003e\n\u003cp\u003eKANN MAX applies an analog volume controller to deliver a rich dynamic range without loss. By separately configuring the power supply IC for each Audio Block divided into DAC, Volume, and AMP, KANN MAX is designed to stably supply the power required for each Audio IC. Through this design, the interference ripple noise of the DC-DC power supply (the shaking noise phenomenon that occurs when power is supplied) is removed. Audio noise that can be heard amplified like audio sound in OP AMP is minimized.\u003c\/p\u003e\n\u003cp\u003eUltra-high output and low noise in the KANN MAX was achieved through different circuit design, including creating and dividing a limited PCB that is the same size as KANN ALPHA into 12 layers and reviewing the physical size of the device applied to the AMP circuit.\u003c\/p\u003e\n\u003ch2\u003eQuad-DAC Sound That Reproduces Clear and Overwhelming Sound Output\u003c\/h2\u003e\n\u003cp\u003eKANN MAX is the first player in the KANN series to be equipped with four ES9038Q2M DACs for high-output performance.\u003c\/p\u003e\n\u003cp\u003eBy applying Quad DACs, one DAC can be fully allocated to one channel, so the depth and realism of the sound source can be expressed to the fullest.\u003c\/p\u003e\n\u003cp\u003eCombined with Astell\u0026amp;Kern's amplifier circuit technology that naturally and delicately raises the strengths of the DAC, and the perfect decoding ability of the DAC to deliver the original sound as it is, music output is expressed as the original sound without distortion.\u003c\/p\u003e\n\u003cp\u003eFour DACs applied to KANN MAX, a power supply IC configured for each audio block, and a perfect circuit design produce ultra-high output and low noise, providing you with the best performance and sound that the KANN series is known for.\u003c\/p\u003e\n\u003ch2\u003eGold PVD Output Coating\u003c\/h2\u003e\n\u003cp\u003eIn order to minimize contact noise from the output jacks, a gold PVD coating method is applied to the headphone connector instead of the typical rings used by other products. This improves both design and function.\u003c\/p\u003e\n\u003ch2\u003e32-bit\/768kHz, Native DSD512 Support\u003c\/h2\u003e\n\u003cp\u003eBit-to-bit playback is available up to 32-bit\/768Hz, and DSD playback is native up to 22.4MHz, for uncompressed sound quality, staying true to the artist’s original intention, in high-resolution and with minimal distortion.\u003c\/p\u003e\n\u003ch2\u003eAstell\u0026amp;Kern Audio Technology Forms the TERATON ALPHA Sound Solution\u003c\/h2\u003e\n\u003cp\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's Ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003ch2\u003eEquipped with Bluetooth 5.0 and Support for Wireless 24-bit aptX™-HD, LDAC Codecs\u003c\/h2\u003e\n\u003cp\u003eBluetooth 5.0 features faster transmission speed and greater range compared to Bluetooth 4.2, therefore providing a more stable wireless connection. Both LDAC and aptX™ HD is supported to provide audiophiles with high-quality sound even when listening wirelessly.\u003c\/p\u003e\n\u003ch2\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h2\u003e\n\u003cp\u003eThe BT Sink function connects the KANN MAX to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the KANN MAX using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h2\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on KANN MAX.\u003c\/p\u003e\n\u003cp\u003e* ReplayGain supports up to 24bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAK File Drop to enjoy wireless transfers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe new AK File Drop function in the KANN MAX makes files transfers easier and more convenient.\u003c\/p\u003e\n\u003cp\u003eUsing AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch2\u003eReal-Time Information Confirmed by Light\u003c\/h2\u003e\n\u003cp\u003eKANN MAX features a LED volume wheel which displays various playback information, including volume level and bit-rate of the track currently playing.\u003c\/p\u003e\n\u003cp\u003e* LED can be turned on or off according to user setting.\u003c\/p\u003e\n\u003ca\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eKANN MAX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e \n\u003cp\u003eAnthracite Gray\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e \n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e \n\u003cp\u003e4.1-inch 720 x 1280 touch screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e \n\u003cp\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample Rate\u003c\/strong\u003e \n\u003cp\u003ePCM : 8kHz ~ 768kHz (8\/16\/24\/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), DSD512(1bit, 22.4MHz) Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level\u003c\/strong\u003e \n\u003cp\u003e[Low] Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load), [Mid] Unbalanced 4Vrms \/ Balanced 8Vrms (Condition No Load), [High] Unbalanced 6Vrms \/ Balanced 12Vrms (Condition No Load), [Super] Unbalanced 8Vrms \/ Balanced 15Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e \n\u003cp\u003eQuad-core\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e \n\u003cp\u003eESS ES9038Q2M x4 (Quad-DAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e \n\u003cp\u003eSupport up to 32-bit\/768kHz Bit-to-Bit Playback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e \n\u003cp\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out (3.5mm), Optical Out (3.5mm) Balanced Out (2.5mm, only 4-pole supported | 4.4m, only 5-pole supported)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e \n\u003cp\u003e802.11 b\/g\/n (2.4GHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e \n\u003cp\u003eV5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e \n\u003cp\u003e2.68\"(68.3mm)[W] x 4.6\"(117mm)[H] x 0.92\"(23.6mm)[D]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e \n\u003cp\u003eabout 10.76oz (305g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e \n\u003cp\u003eFirmware upgrade supported (OTA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e \n\u003cp\u003e0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eAudio Performance\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \n\u003cp\u003e±0.023dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.026dB (Condition : 20Hz~20kHz) Balanced ±0.035dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.072dB (Condition : 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e \n\u003cp\u003e114dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e \n\u003cp\u003e-124dB @ 1kHz, Unbalanced │ -135dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e \n\u003cp\u003e0.0003% @ 1kHz, Unbalanced │ 0.0004% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e \n\u003cp\u003e0.0007% 800Hz 10kHz (4:1) Unbalanced │ 0.0007% 800Hz 10kHz (4:1) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out 3.5mm (1ohm) │ Balanced Out 2.5mm (1.6ohm), 4.4mm (1.6ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eClock Source\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e \n\u003cp\u003e25ps (Typ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock Jitter\u003c\/strong\u003e \n\u003cp\u003e70ps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eBattery\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e \n\u003cp\u003e5,600mAh 3.8V Li-Polymer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e \n\u003cp\u003eabout 3.5 hours (9V 1.67A Fast Charging) | 5.5hours (5V 2A General Charging)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e \n\u003cp\u003eabout 13 hours (Standard: FLAC, 16bit, 44.1kHz, Unbalanced, Vol.40, LCD Off, LED On, Low Gain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003ca\u003eMemory\u003c\/a\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Memory\u003c\/strong\u003e \n\u003cp\u003e64GB [NAND]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Memory\u003c\/strong\u003e \n\u003cp\u003emicroSD x1 (Max. 1TB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003ca\u003eOS\u003c\/a\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported OS\u003c\/strong\u003e \n\u003cp\u003eWindows 7,8,10(32\/64bit) MAC OS X 10.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eEtc.\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e \n\u003cp\u003e- Audio was NOT muted during the measurement. - The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":43357876617449,"sku":"KANN MAX Anthracite Grey (OB)","price":1234.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/kannmax-003_1200x1200_600270a9-3359-4f43-be3a-4916a31d4d9a.png?v=1762461956"},{"product_id":"astell-kern-kann-max-mud-limited-edition-hi-res-audio-player","title":"Astell \u0026 Kern KANN MAX Mud Limited Edition Hi-Res Audio Player - Discontinued","description":"\n\u003ch2\u003eEngineered to Powerful Perfection\u003c\/h2\u003e\n\u003cp\u003eThe KANN series is a portable player lineup loved by audiophiles all over the world for its performance focused on high output and clear sound. KANN MAX, the fourth product in the KANN series, builds on the advantages of the KANN series with higher output and portability. It provides 4 levels of gain and up to 15Vrms output so that a wide array of headphones can be driven in an optimal state.\u003c\/p\u003e\n\u003cp\u003eBy integrating the proven design of the KANN series into a lighter weight and smaller sized player, we have realized both ultra-high output and low noise. KANN MAX features ESS ES9038Q2M Quad-DAC together with Astell\u0026amp;Kern's unique audio technology to provide the best performance you can feel from a portable DAP.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4-step gain level with maximum 15Vrms output\u003c\/li\u003e\n\u003cli\u003ePerfect circuit design with ultra-high output and low noise in an even smaller sized player\u003c\/li\u003e\n\u003cli\u003eEquipped with ESS ES9038Q2M Quad-DAC that reproduces clear, exceptional output\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA, the epitome of Astell\u0026amp;Kern audio technology\u003c\/li\u003e\n\u003cli\u003e32-bit\/768kHz, Native DSD512 support\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 and 24-bit codec (Qualcomm® aptX™ HD , LDAC) support\u003c\/li\u003e\n\u003cli\u003eReplayGain that automatically adjusts volume to be consistent across tracks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUltra-High Output in a Smaller Size Device\u003c\/h2\u003e\n\u003cp\u003eKANN MAX takes the identity of the series to the next level to provide a perfect experience with high power and clear sound. It provides 4 stages of gain level and ultra-high output of up to 15Vrms, which was previously only possible with a stationary headphone amplifier.\u003c\/p\u003e\n\u003cp\u003eKANN MAX can perfectly drive even the most sophisticated headphones with high impedance.\u003c\/p\u003e\n\u003cp\u003eKANN MAX offers a smaller size and weight than the KANN APLHA player, which boasted the best portability in the existing KANN series.\u003c\/p\u003e\n\u003cp\u003eAlthough smaller in size, all power-related components have been analyzed and the power circuit has been redesigned several times to achieve 13 hours of continuous playback.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN MAX\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN ALPHA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN CUBE\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Super)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 8Vrms, Balanced 15Vrms\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (High)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Mid)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level (Low)\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (WxHxD)\u003c\/td\u003e\n\u003ctd\u003e68.3x117 x23.6(mm)\u003c\/td\u003e\n\u003ctd\u003e68.3 x 117 x 25(mm)\u003c\/td\u003e\n\u003ctd\u003e87.7 x 140 x 31.5(mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eabout 10.76oz (305g)\u003c\/td\u003e\n\u003ctd\u003eabout 11.14 oz (about 316g)\u003c\/td\u003e\n\u003ctd\u003eabout 17.3 oz (493g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlayback Time\u003c\/td\u003e\n\u003ctd\u003e13 hours\u003c\/td\u003e\n\u003ctd\u003e14.5 Hours\u003c\/td\u003e\n\u003ctd\u003e9 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e* Based on condition no load, there may be differences depending on the measurement method.\u003c\/p\u003e\n\u003ch2\u003ePerfect Circuit Design That Achieves Both Ultra-High Output and Low Noise\u003c\/h2\u003e\n\u003cp\u003eAs the output increases, so does the noise level.\u003c\/p\u003e\n\u003cp\u003eKANN MAX is equipped with ultra-high output, does not allow any noise and conveys Astell\u0026amp;Kern's philosophy of delivering the original sound as it should be, without compromise. Together, we have completed the perfect circuit design to achieve this.\u003c\/p\u003e\n\u003cp\u003eKANN MAX applies an analog volume controller to deliver a rich dynamic range without loss. By separately configuring the power supply IC for each Audio Block divided into DAC, Volume, and AMP, KANN MAX is designed to stably supply the power required for each Audio IC. Through this design, the interference ripple noise of the DC-DC power supply (the shaking noise phenomenon that occurs when power is supplied) is removed. Audio noise that can be heard amplified like audio sound in OP AMP is minimized.\u003c\/p\u003e\n\u003cp\u003eUltra-high output and low noise in the KANN MAX was achieved through different circuit design, including creating and dividing a limited PCB that is the same size as KANN ALPHA into 12 layers and reviewing the physical size of the device applied to the AMP circuit.\u003c\/p\u003e\n\u003ch2\u003eQuad-DAC Sound That Reproduces Clear and Overwhelming Sound Output\u003c\/h2\u003e\n\u003cp\u003eKANN MAX is the first player in the KANN series to be equipped with four ES9038Q2M DACs for high-output performance.\u003c\/p\u003e\n\u003cp\u003eBy applying Quad DACs, one DAC can be fully allocated to one channel, so the depth and realism of the sound source can be expressed to the fullest.\u003c\/p\u003e\n\u003cp\u003eCombined with Astell\u0026amp;Kern's amplifier circuit technology that naturally and delicately raises the strengths of the DAC, and the perfect decoding ability of the DAC to deliver the original sound as it is, music output is expressed as the original sound without distortion.\u003c\/p\u003e\n\u003cp\u003eFour DACs applied to KANN MAX, a power supply IC configured for each audio block, and a perfect circuit design produce ultra-high output and low noise, providing you with the best performance and sound that the KANN series is known for.\u003c\/p\u003e\n\u003ch2\u003eGold PVD Output Coating\u003c\/h2\u003e\n\u003cp\u003eIn order to minimize contact noise from the output jacks, a gold PVD coating method is applied to the headphone connector instead of the typical rings used by other products. This improves both design and function.\u003c\/p\u003e\n\u003ch2\u003e32-bit\/768kHz, Native DSD512 Support\u003c\/h2\u003e\n\u003cp\u003eBit-to-bit playback is available up to 32-bit\/768Hz, and DSD playback is native up to 22.4MHz, for uncompressed sound quality, staying true to the artist’s original intention, in high-resolution and with minimal distortion.\u003c\/p\u003e\n\u003ch2\u003eAstell\u0026amp;Kern Audio Technology Forms the TERATON ALPHA Sound Solution\u003c\/h2\u003e\n\u003cp\u003eAK ULTIMATE SOUND SOLUTION, TERATON ALPHA\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA is AK's Ultimate Sound Solution to produce audio playback that is close to the original sound through the audio output interface by use of effective power noise removal, efficient power management and amplification with minimal distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA features Astell\u0026amp;Kern's patented technologies, which are the result of tens of thousands of hours of continuous research and development to produce sound close to the original sound the artist and producer intended.\u003c\/p\u003e\n\u003ch2\u003eEquipped with Bluetooth 5.0 and Support for Wireless 24-bit aptX™-HD, LDAC Codecs\u003c\/h2\u003e\n\u003cp\u003eBluetooth 5.0 features faster transmission speed and greater range compared to Bluetooth 4.2, therefore providing a more stable wireless connection. Both LDAC and aptX™ HD is supported to provide audiophiles with high-quality sound even when listening wirelessly.\u003c\/p\u003e\n\u003ch2\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h2\u003e\n\u003cp\u003eThe BT Sink function connects the KANN MAX to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the KANN MAX using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h2\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on KANN MAX.\u003c\/p\u003e\n\u003cp\u003e* ReplayGain supports up to 24bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAK File Drop to enjoy wireless transfers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe new AK File Drop function in the KANN MAX makes files transfers easier and more convenient.\u003c\/p\u003e\n\u003cp\u003eUsing AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch2\u003eReal-Time Information Confirmed by Light\u003c\/h2\u003e\n\u003cp\u003eKANN MAX features a LED volume wheel which displays various playback information, including volume level and bit-rate of the track currently playing.\u003c\/p\u003e\n\u003cp\u003e* LED can be turned on or off according to user setting.\u003c\/p\u003e\n\u003ca\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eKANN MAX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e \n\u003cp\u003eMud\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e \n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e \n\u003cp\u003e4.1-inch 720 x 1280 touch screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e \n\u003cp\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample Rate\u003c\/strong\u003e \n\u003cp\u003ePCM : 8kHz ~ 768kHz (8\/16\/24\/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), DSD512(1bit, 22.4MHz) Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level\u003c\/strong\u003e \n\u003cp\u003e[Low] Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load), [Mid] Unbalanced 4Vrms \/ Balanced 8Vrms (Condition No Load), [High] Unbalanced 6Vrms \/ Balanced 12Vrms (Condition No Load), [Super] Unbalanced 8Vrms \/ Balanced 15Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e \n\u003cp\u003eQuad-core\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e \n\u003cp\u003eESS ES9038Q2M x4 (Quad-DAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e \n\u003cp\u003eSupport up to 32-bit\/768kHz Bit-to-Bit Playback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e \n\u003cp\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out (3.5mm), Optical Out (3.5mm) Balanced Out (2.5mm, only 4-pole supported | 4.4m, only 5-pole supported)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e \n\u003cp\u003e802.11 b\/g\/n (2.4GHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e \n\u003cp\u003eV5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e \n\u003cp\u003e2.68\"(68.3mm)[W] x 4.6\"(117mm)[H] x 0.92\"(23.6mm)[D]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e \n\u003cp\u003eabout 10.76oz (305g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e \n\u003cp\u003eFirmware 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Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e \n\u003cp\u003e0.0003% @ 1kHz, Unbalanced │ 0.0004% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e \n\u003cp\u003e0.0007% 800Hz 10kHz (4:1) Unbalanced │ 0.0007% 800Hz 10kHz (4:1) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out 3.5mm (1ohm) │ Balanced Out 2.5mm (1.6ohm), 4.4mm (1.6ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eClock Source\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e \n\u003cp\u003e25ps (Typ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock 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Memory\u003c\/strong\u003e \n\u003cp\u003emicroSD x1 (Max. 1TB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003ca\u003eOS\u003c\/a\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported OS\u003c\/strong\u003e \n\u003cp\u003eWindows 7,8,10(32\/64bit) MAC OS X 10.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eEtc.\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e \n\u003cp\u003e- Audio was NOT muted during the measurement. - The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":43648015794409,"sku":"KANN MAX 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We wanted to fully convey the overwhelming sound of the newest flagship A\u0026amp;ultima SP3000, which was created by our continued efforts, through the best IEM that deserve it.\u003c\/p\u003e\n\u003cp\u003eEmpire Ears is an uncompromising and prestigious manufacturer of IEMs that are the most original and complete with the latest technologies. Astell\u0026amp;Kern and Empire Ears, completed Odyssey to present our most extraordinary sound with our flagship products containing the essence of A\u0026amp;K and Empire Ears.\u003c\/p\u003e\n\u003ch2\u003eOdyssey\u003c\/h2\u003e\n\u003cp\u003eEmpire Ears’ never-ending pursuit of extraordinary drove them to build an IEM that is unashamedly without compromise. With technology harnessed from the Odin and Legend EVO we’ve distilled everything we’ve learned into this epic collaboration to create the next generation in-ear monitor, Odyssey.\u003c\/p\u003e\n\u003cp\u003eOur legacies are proof that attention to detail and visionary innovation conceive magnificent design. Never before has this been truer than with the partnership between two extraordinary companies collaborating to construct a revolutionary new in-ear monitor category.\u003c\/p\u003e\n\u003ch2\u003eEmpire Ears\u003c\/h2\u003e\n\u003cp\u003eEmpire Ears is an avant-garde summit-fi and innovate in-ear monitor company. A record-breaking tradition courses through our history – the result of pushing the boundaries of in-ear monitors to achieve higher standards in ultimate performance.\u003c\/p\u003e\n\u003cp\u003e\"The Odyssey has been an extraordinary adventure in engineering and it’s forced me to focus on new technologies and unconventional processes. The idea was to build an IEM of extremes, one worthy of bearing both the Empire Ears and Astell\u0026amp;Kern name. No half measure. No compromises. We had to use everything in our arsenal to break new barriers.\" \u003cem\u003e-Dean Vang . Founder of Empire Ears\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eNew Rules\u003c\/h2\u003e\n\u003cp\u003eWe look to the future with a visionary approach, carrying our pursuit of extraordinary to the extremes. Our advantage is that we champion invention over convention. Our efforts have produced many world’s-first technologies that have changed the IEM industry forever and the Odyssey is no exception – it is a technological showcase.\u003c\/p\u003e\n\u003ch2\u003eQuadbrid Design\u003c\/h2\u003e\n\u003cp\u003eEven with low-volume quantities, we develop and build several of our own bespoke drivers rather than outsourcing them from other manufacturers. Doing so gives us the freedom to develop groundbreaking technology unrestricted by industry limitations or compromises. The Odyssey is proof of concept of the incredible engineering at Empire Ears.\u003c\/p\u003e\n\u003cp\u003eAt its core is a proprietary 10 drivers Quadbrid system composed of twin W9+ Subwoofers, 5 Balanced Armatures, dual Electrostatics and a W10 Bone Conductor. With 7-way synX cross over network and EIVEC MKII engine, harmonize all 10 drivers of Quadbrid System, ensuring perfect coherence and timing throughout its remarkable 5Hz-100kHz frequency response range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eW10 (Bone Conductor)\u003cbr\u003e\u003c\/strong\u003e- Otherworldly imaging, nuance retrieval and timbre are achieved via bone conduction from our W10 Bone Conduction Ultra Driver. (Full Range)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFive Balanced Armature Drivers\u003cbr\u003e\u003c\/strong\u003e- Custom spec’d Knowles(Upper Mid –High) and Sonion balanced armatures(Lower Mid – Mid) are commissioned with a single minded purpose of reproducing only the most pure, breathtaking mid-range frequencies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual W9+ (Subwoofer)\u003cbr\u003e\u003c\/strong\u003e- Legendary, unparalleled bass reproduction is made possible by our purpose-built, W9+ subwoofers. (Sub bass - Bass)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Electrostatic Tweeters\u003cbr\u003e\u003c\/strong\u003e- Distortion-free, lightning fast transient response and hyper treble extension from Sonion electrostatic drivers ensure unparalleled transparency.(High - Ultra High)\u003c\/p\u003e\n\u003ch2\u003eDual Conduction Architecture\u003c\/h2\u003e\n\u003cp\u003eEmpire has a long history of developing innovative, in-house solutions aimed at maximizing in-ear monitor performance. Our no-compromise philosophy inspired the development of our Dual Conduction Architecture – a revolutionary method of audio reproduction through both air and bone conduction to maximize listener immersion with a sound that you cannot only hear but feel, guaranteeing the purest experience possible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAir Conduction\u003cbr\u003e\u003c\/strong\u003eWhen you look at our hearing system you can break it down into 3 different regions: the outer ear, middle ear and inner ear. Air conduction utilizes all 3 as sound is collected by the outer ear and directed along the ear canal into the ear drum, vibrating the bones of hearing (ossicles) in the middle ear to stimulate the hair cells inside of your cochlea in the inner ear. This stimulation creates electrical nerve impulses which are then carried to the brain by the auditory nerve to be converted into sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBone Conduction\u003cbr\u003e\u003c\/strong\u003eBone conduction completely bypasses the outer and middle ear components by sending vibrations directly through the skull to stimulate the hair cells inside of your cochlea. Through bone conduction we can perceive ultrasonic hearing (beyond 20kHz) Bone conduction is generally perceived to have a lower, deeper tone because the skull conducts lower frequencies more efficiently than air.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Conduction\u003cbr\u003e\u003c\/strong\u003eThe Odyssey fully exploits the best of both worlds with its pioneering Dual Conduction Architecture (DCA). A full range 5Hz-100kHz frequency response is delivered via air conduction from the dual W9+ subwoofers, five balanced armatures and dual electrostatics while imaging, soundstage, detail retrieval, low frequency extension and reverb is extraordinarily enhanced from 5Hz-40kHz via bone conduction from the W10.\u003c\/p\u003e\n\u003cp\u003eThrough the use of DCA and Empire’s masterful tuning the Odyssey reproduces the most immersive, pure and stereophonic sound possible.\u003c\/p\u003e\n\u003ch2\u003eThe Empire Difference\u003cbr\u003e\u003cstrong\u003esynX Crossover Technology\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eGenetically dissimilar from the rest of the IEM world, our synX crossover network truly stands out with countless bespoke methods and technologies protecting it as a unique masterpiece. A marriage of 4 distinct driver technologies is symphonized via a proprietary 7-way synX crossover network, ensuring maximum performance from all 10 drivers.\u003c\/p\u003e\n\u003ch2\u003eEIVEC MKII\u003c\/h2\u003e\n\u003cp\u003eThe all-new EIVEC MKII engine was developed specifically for Odyssey to ensure optimal timing, phasing and control between the electrostatic and bone conduction drivers – a monumental achievement.\u003c\/p\u003e\n\u003cp\u003eEmpire Intelligent Variable Electrostatic Control – EIVEC - is Empire’s approach to incorporating electrostatic EST drivers into IEMs. For all the incredible range and resolution, electrostatic drivers are notoriously hard to control, often overpowering other drivers. EIVEC is our solution to that, and the degree of control provided by EIVEC is so precise that the electrostatics can operate independently, performing disparate tasks within the sound stage to deliver layer upon layer of detail and texture for unparalleled performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Tri-Port Exhausts\u003cbr\u003e\u003c\/strong\u003eDue to the nature of the W10’s extreme output the enclosure’s air volume and vent design were especially crucial for proper tuning. Even the slightest change in diameter and positioning had a dramatic effect on sound quality and performance. By mastering the W10’s volume requirements we’re able to harness its optimal output, capabilities and potential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRECISION MOUNTED WEAPON\u003cbr\u003e\u003c\/strong\u003eThe W10 is strategically ceiling mounted in a specially designed cavity at the top of the shell. 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Each model in our earphone line is designed and assembled by hand in our Portland, Oregon workshop; our earphones are second to none in performance and finish. With a small team of highly skilled and dedicated craftspeople, we continuously experiment with materials and techniques to create something unique and special for the people who care most about it.\u003c\/p\u003e\n\u003ch2\u003eThe Combination for Perfect Balance\u003c\/h2\u003e\n\u003cp\u003eA completely new IEM design was needed for a wider frequency range, realistic reproduction, and a perfect balance.\u003c\/p\u003e\n\u003cp\u003eTo achieve this, PATHFINDER has a new Dual-Diaphragm Balanced Armature (BA) Driver from Knowles for the key part of the midrange, two BA drivers for high frequencies, as well as two dynamic drivers with hybrid diaphragms that create bass and midrange.\u003c\/p\u003e\n\u003cp\u003eA Radial Venting Acoustic Chamber, newly developed by Campfire Audio, is applied to the two Custom 10mm Dynamic Drivers. The 3D-printed chamber design naturally expresses the intense low-frequency sound produced by the two dynamic drivers while preserving the unique sound of the BA driver.\u003c\/p\u003e\n\u003ch2\u003eInternal Structure\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision-Milled Aluminum Shell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe precision-milled aluminum shells made with high-quality aluminum are anodized into a pitch-black “Night Sky” color.\u003c\/p\u003e\n\u003cp\u003eThe stainless steel parts and aluminum shells used in the body increase the product's durability and suppresses unnecessary vibrations for minimal noise and offers a secure fit so that users can enjoy a comfortable audio environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Level of Performance, Custom Dual Balanced Armature Drivers + T.A.E.C.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe newly customized Dual Balanced Armature Drivers present clearer and more precise expressions with T.A.E.C. 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It’s like a twin cylinder engine – delivering more horsepower and smoother operation compared to one with a single, larger piston.\u003c\/p\u003e\n\u003cp\u003eCompared to a traditional BA with a single, larger diaphragm, the all-new design incorporates two chambers, each housing its own diaphragm and drive rod actuated by a single coil, resulting in a higher, more powerful output for its size than any other BA and is excellent at expressing a warmer and more natural midrange.\u003c\/p\u003e\n\u003cp\u003eFind out more about the amazing performance of this brand-new Dual Diaphragm BA Driver unique to PATHFINDER.\u003c\/p\u003e\n\u003ch2\u003eBeryllium \/ Copper MMCX Connections\u003c\/h2\u003e\n\u003cp\u003eCustom Beryllium Copper MMCX connectors are more resilient against wear and tear than regular brass connectors, providing a robust mating mechanism; one that is typically made from soft brass.\u003c\/p\u003e\n\u003cp\u003eThis selection of a harder material extends the life of the component and the earphone.\u003c\/p\u003e\n\u003ch2\u003eSilver-Plated Copper and Flat Cable Design\u003c\/h2\u003e\n\u003cp\u003ePATHFINDER comes with three silver-plated copper cables allowing the earphones to reach their full performance potential. 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This is superior to the typical \"Tube+Dampener\" system because it provides a direct passage from the driver to your ear, which results in unsurpassed clarity and extension.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRadial Venting Technology - 3D Printed Acoustic Tuning for Dynamic Drivers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis allows our dynamic drivers to vent to the entire circumference of the driver. The practical impact is a larger soundstage and more presence without increasing pressure or bass bloat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3D Printed Interior - Carefully Designed for Optimum Sonic Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eClose attention to detail is critical to delivering you the superior musical experience from our earphones. Solaris features an acoustically optimized interior model that allows each driver to deliver the very best sound quality. 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offers a Hi-Fi USB DAC cable product range for a true Hi-Fi experience on the go.\u003c\/p\u003e\n\u003cp\u003eDesigned to minimize noise with the ultra-high sound quality of integrated Hi-Fi grade DACs, it addresses the music lovers' desire for a true Hi-Fi experience when mobile.\u003c\/p\u003e\n\u003cp\u003eNot content with settling for the status quo, Astell\u0026amp;Kern has endeavored to enable our users to enjoy more features in Hi-Fi quality.\u003c\/p\u003e\n\u003cp\u003eAK HC3 is the result of these efforts, and is designed to provide all the benefits of its predecessor, AK HC1 (PEE51), while enabling high-quality sound across various settings.\u003c\/p\u003e\n\u003cp\u003eAK HC3 features MQA 8X rendering to allow you to play high-quality sound anytime, and the microphone input enables even more entertainment and voice features.\u003c\/p\u003e\n\u003cp\u003eThe dual-shielded cable and the proprietary Android app will help users experience Hi-Fi effortlessly and with no compromises.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eES9219MQ Dual DAC from ESS for true Hi-Fi quality\u003c\/li\u003e\n\u003cli\u003eMQA 8X\u003c\/li\u003e\n\u003cli\u003eDual-shielded cable\u003c\/li\u003e\n\u003cli\u003eSupports headset microphones\u003c\/li\u003e\n\u003cli\u003eSupports iOS devices\u003c\/li\u003e\n\u003cli\u003eProprietary app for Android (For Detailed Volume Control)\u003c\/li\u003e\n\u003cli\u003eCompact but powerful\u003c\/li\u003e\n\u003cli\u003eLED display shows song details\u003c\/li\u003e\n\u003cli\u003eFull metal housing design\u003c\/li\u003e\n\u003cli\u003e32bit 384kHz bit to bit play\u003c\/li\u003e\n\u003cli\u003eNative DSD\u003c\/li\u003e\n\u003cli\u003eOn\/Off LED Indicator\u003c\/li\u003e\n\u003cli\u003eFull Metal Body\u003c\/li\u003e\n\u003cli\u003eROON TESTED\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSound in ultra-high resolution from Dual DACs, selected for Hi-Fi\u003c\/h2\u003e\n\u003cp\u003eAK HC3 adopts dual ES9219MQ, the SABRE HiFi® DACs from ESS that is highly regarded by audio fans for its ability to playback Hi-Fi sounds such as MQA in ultra-high quality, excellent noise control, and low power consumption.\u003c\/p\u003e\n\u003cp\u003eIn addition, it supports Native DSD256 and 32 bit\/384 kHz, supporting any high-resolution sound to realize Astell\u0026amp;Kern’s unique sound experiences.\u003c\/p\u003e\n\u003ch2\u003eThe Result of AK’s Ultra-Fine Audio Design Technology\u003c\/h2\u003e\n\u003cp\u003eWith its compact size and uncompromising performance, the AK HC3 makes it easy to enjoy real Hi-Fi sound anytime, anywhere.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern is adored by countless music lovers thanks to our dedication and meticulous delivery of the original sound with our signature DAPs, or portable high resolution audio players. We included the Astell\u0026amp;Kern technology and know-how that has been accumulated from our DAPs over the years in this small device.\u003c\/p\u003e\n\u003cp\u003eWe used micro resistors and capacitor parts to achieve the small dimensions without compromising performance. Tailored ultra-small tantalum capacitors, which are used in AK player products to create a stable system and audio performance by controlling the power fluctuations, are also included to create the optimal audio circuit. In addition, the output and audio performance are enhanced with Astell\u0026amp;Kern's unique technology while minimizing current consumption in consideration of the connected device.\u003c\/p\u003e\n\u003ch2\u003eNoise-Free Rear Output Structure\u003c\/h2\u003e\n\u003cp\u003eAK HC3 incorporates a rear audio output design to minimize noise.\u003c\/p\u003e\n\u003cp\u003eMost USB DAC products have the DAC positioned in the USB terminal that is connected directly to the device to process and output audio.\u003c\/p\u003e\n\u003cp\u003eHowever, with the AK HC3, digital signals from the device go through the dual shielded cable to the audio circuit before being converted to an analog signal by the DAC. By processing the digital signal after, the result is superior, noise-free sound compared to other USB DAC products.\u003c\/p\u003e\n\u003ch2\u003eDual Noise Shielded Cable\u003c\/h2\u003e\n\u003cp\u003eThe AK HC3 features a dual shielded cable to minimize noise and deliver more vivid, original sound.\u003c\/p\u003e\n\u003cp\u003eThe copper core wire is coated with tin to prevent corrosion and strengthen tensile force for enhanced durability.\u003c\/p\u003e\n\u003cp\u003eIn addition, the entire cable is wrapped in an aluminum film to block noise, the biggest issue in audio, then the tin-coated copper wire is woven to minimize noise interference to sound.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eMQA 8X Playback in Ultra-high Resolution\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAK HC3 is built with a renderer that supports MQA 8X playback in ultra-high quality to deliver sound that's much closer to the original sound. MQA is a high-quality sound source format that requires an external DAC or appropriate playback devices. AK HC3 is the right choice if you want to enjoy MQA anytime.\u003c\/p\u003e\n\u003cp\u003ePair your mobile device with AK HC3 to play any MQA sources up to MQA 8X. With AK HC3 and any device that supports MQA unfolding, anyone can unleash the ultra-high quality of MQA through the proprietary app with network play and streaming features.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* In order to use AK HC3 as a hardware MQA renderer, a software core decoder that supports MQA unfolding is required.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eEasy and Convenient — Plug \u0026amp; Play\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConnect directly to a Windows PC, Mac, smartphone or tablet with a USB-C port that supports plug \u0026amp; play, without needing a separate conversion adapter, and enjoy high-quality sound.\u003c\/p\u003e\n\u003cp\u003eThe AK HC3 utilizes power from the connected playback device so it does not need to be charged or be connected to a separate external sound card, AMP or DAC. Just connect AK HC3 to experience high-fidelity sound from a computer or mobile device.\u003c\/p\u003e\n\u003cp\u003eThe AK HC3 is also compatible with iOS devices using the included USB-C to Lightning adapter.\u003c\/p\u003e\n\u003ch2\u003eEntertaining experiences with AK HC3 and microphone and controller support\u003c\/h2\u003e\n\u003cp\u003eAK HC3 has been improved to be compatible with any 3- or 4-pole 3.5-mm plug earphones and headsets, as well as in-line controller and microphone features of 4-pole earphones and headsets.\u003c\/p\u003e\n\u003cp\u003eWith AK HC3, you can enjoy a greater range of entertainment experiences with your mobile device.\u003c\/p\u003e\n\u003cp\u003eThe direct USB connection provides lower latency compared to other wireless solutions, enabling a sound performance that’s perfect for gaming. The voice chat features enhance your gaming experiences, so you can play with others, and the microphone input makes it even more useful for professional web conferencing.\u003c\/p\u003e\n\u003cp\u003ePlus, the rich sound capability adds to the utility of AK HC3 by making your video experiences more realistic and immersive.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* When pairing your AK HC3 with iPhones, recording is supported for microphone input, but not supported for calls.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eVolume Control Through A Dedicated Android APP\u003c\/h2\u003e\n\u003cp\u003eAs is common with many USB DACs, compatibility issues can arise such as different connected devices being set automatically to maximum volume output or playback at too low volume.\u003c\/p\u003e\n\u003cp\u003eTo resolve such issues and offer greater control over the volume and function of the AK HC3, we have developed a companion app for Android OS devices.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eLED for real-time indication\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAK HC3 has an LED indicator that displays song details.\u003c\/p\u003e\n\u003cp\u003e* Standby: White \/ PCM: Red \/ DSD: Blue \/ MQA: Magenta\u003c\/p\u003e\n\u003ch2\u003ePrecautions When Using the Product\u003c\/h2\u003e\n\u003cp\u003eThis product is compatible with most Android and iOS smartphones and tablets, Windows 10\/11 and macOS products. In some cases, it may not be compatible or may be restricted depending on the hardware, software and\/or system of the device that you connect to.\u003c\/p\u003e\n\u003cp\u003eWhen connecting to a Windows PC, the driver will automatically be recognized and installed. For high-quality sound files, you are required to install a separate USB DAC driver which can be downloaded from the Support — Download section on Astell\u0026amp;Kern's website.\u003c\/p\u003e\n\u003cp\u003eIn order to use AK HC3 as a hardware MQA renderer, a software core decoder that supports MQA files is needed first.\u003c\/p\u003e\n\u003cp\u003e4-pole earphones and headphones support CTIA devices, but OMTP is not supported.\u003c\/p\u003e\n\u003cp\u003eAK HC3 may not support call features when paired with iPhones or some Android phone models with a 3.5-mm connector.\u003c\/p\u003e\n\u003cp\u003eTo play DSD and high-quality PCM sound files on a smartphone, you must install a separate free\/paid player program that supports high-resolution audio playback. (When using the default player app on a mobile device, the file will be downsampled. Please make sure to play it with a different player app.)\u003c\/p\u003e\n\u003cp\u003ePlease note that the volume will be fixed to the maximum level if you allow access with Tidal and some other apps on Android devices.\u003c\/p\u003e\n\u003cp\u003eMake sure to check the volume on your connected player device before using headphones or earphones. Some devices may automatically set the output level to maximum volume when the cable is connected. Listening to headphones or earphones at maximum volume may damage your hearing. Please verify the volume level before each use.\u003c\/p\u003e\n\u003cp\u003eDo not connect the USB-C Dual DAC Cable to an Astell\u0026amp;Kern player. When connecting the cable to a player and using it as an external DAC, the output volume will be fixed at the maximum volume setting. It is not possible to adjust the volume through the Astell\u0026amp;Kern player. Listening at maximum or a high-volume setting may cause serious damage to your hearing. Astell\u0026amp;Kern, its affiliates and agencies, cannot be held liable for any damage or injuries from negligent or inappropriate use.\u003c\/p\u003e\n\u003cp\u003eFirmware updates may be released periodically for stability improvements. For more information on firmware updates and to check if a firmware update is available, please visit the Support — Download section on Astell\u0026amp;Kern's website.\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eAK HC3 is super light with a full aluminum housing, and weighs only 20g.\u003c\/p\u003e\n\u003cp\u003eThe compact and lightweight body embodies Astell\u0026amp;Kern’s design philosophy, emphasizing our fundamental ethos toward the music. The design inherits the “light and shadow” concept, which is the identity of Astell\u0026amp;Kern: all of the four sharp sides centered around the traversing centerline are positioned proportionally and converge on a single point, making them uniquely reflective and iridescent.\u003c\/p\u003e\n\u003cp\u003eThe high-quality finish hides everything except for design factors such as the contours and the logo, preventing any visual distractions for a more immersive music experience.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e AK HC3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e Dark Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e ES9219MQ x2 (Dual-DAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample rate\u003c\/strong\u003e \u003cbr\u003ePCM: Support up to 32bit\/384kHz \u003cbr\u003eDSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e USB Type-C Input(for Windows 10,11, Android, iOS smartphone \u0026amp; Tablet PC, macOS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput\u003c\/strong\u003e 3.5mm (CTIA standard 4-pole supported)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED\u003c\/strong\u003e Standby : White \/ PCM : Red \/ DSD : Blue \/ MQA: Magenta\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e about 20g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions(WHD)\u003c\/strong\u003e \u003cbr\u003eUSB Plug : 12.5mm[W] x 21mm[H] x 8.7mm[D] \u003cbr\u003e3.5mm Headphone : 18.2mm[W] x 59mm[H] x 11.5[D]\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAudio Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \u003cbr\u003e±0.013dB (Condition : 20Hz~20kHz) \u003cbr\u003e±0.020dB (Condition : 20Hz~70kHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal to Noise Ratio\u003c\/strong\u003e 118dB @ 1kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e -130dB @ 1kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e 0.0005% @ 1kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e 0.0002%, 800Hz 10kHz (4:1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e 2 ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Power or Voltage \u003c\/strong\u003e 2Vrms (Condition No Load)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEtc.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudio was NOT muted during the measurement.\u003c\/li\u003e\n\u003cli\u003eThe image\/specification may be changed without notice to improve product performance and quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":44242591940841,"sku":"AK HC3 (PEE53)","price":250.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/USBDAChc3_003.jpg?v=1762463540"},{"product_id":"astell-kern-acro-ca1000t-headphone-amplifier","title":"Astell \u0026 Kern ACRO CA1000T Headphone Amplifier - Discontinued","description":"\u003ch2\u003eAll-In-One Head-Fi Audio System, ACRO CA1000T\u003c\/h2\u003e\n\u003cp\u003eACRO CA1000T is an all-in-one Head-Fi audio system created for those who want to enjoy the best sound wherever they are.\u003c\/p\u003e\n\u003cp\u003eACRO CA1000T is a multifunctional device that can play ultra-high quality sound sources and provide diverse input\/output options for the perfect desktop companion. Complete with a powerful headphone amplifier and Astell\u0026amp;Kern’s proprietary TERATON ALPHA technology making it a versatile option for the home or office. It offers ultra-high quality sound anywhere using optimal battery power, with no need for a mains power supply connection.\u003c\/p\u003e\n\u003cp\u003eComplete the Head-Fi audio system of your dreams using just an ACRO CA1000T to provide true Astell\u0026amp;Kern sound thanks to its dual-tube applied Triple Amp System, 4-levels of gain that can operate the most detailed IEMs and hard to drive headphones, and ESS Technology’s flagship ES9039MPRO Dual-DAC.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with a ES9039MPRO Dual-DAC for the first time ever\u003c\/li\u003e\n\u003cli\u003ePerfectly drive any headphone\/IEM with 4 levels of gain and up to 15Vrms output\u003c\/li\u003e\n\u003cli\u003eTriple Amp System with a dual-vacuum tube for Hybrid sound options\u003c\/li\u003e\n\u003cli\u003eMultiple inputs and outputs provide maximum options and compatibility\u003c\/li\u003e\n\u003cli\u003eBuilt-in battery for portability and optimum power delivery\u003c\/li\u003e\n\u003cli\u003eOverwhelming Output 15 Vrms\u003c\/li\u003e\n\u003cli\u003eES9039MPRO Dual-DAC\u003c\/li\u003e\n\u003cli\u003eDual Vacuum Tube\u003c\/li\u003e\n\u003cli\u003ePowerful Connections\u003c\/li\u003e\n\u003cli\u003eCrossfeed\u003c\/li\u003e\n\u003cli\u003eDual-Band Wi-Fi\u003c\/li\u003e\n\u003cli\u003eaptX™ HD LDAC\u003c\/li\u003e\n\u003cli\u003eRoon Ready\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eConvenient, High-Quality Head-Fi Sound\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T goes beyond the limitations of a fixed headphone amp with its ideal Head-Fi audio system that can be setup anywhere you want and can run independently from its internal battery supply.\u003c\/p\u003e\n\u003cp\u003eThe ACRO CA1000T offers detailed headphone sound thanks to its built-in high-power headphone amp that does not require a connection to other devices. It's an all-in-one Head-Fi audio system that provides great connectivity with external audio devices and speakers thanks to its diverse range of input\/output ports, allowing you to easily enjoy network audio playback and music streaming.\u003c\/p\u003e\n\u003ch2\u003eExtensive Input\/Output Options\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T offers an extensive range of input\/output options that can meet the needs of audiophiles looking to build their ideal Head-Fi system with maximum utility. For greater ease of use, you can change the input\/output settings using the touch screen on top of the product while multiple cables and devices are connected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. 3.5mm, 6.35mm Unbalanced, 2.5mm 4.4mm Balanced Output\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe output port located on the front side of the product is compatible with a range of sizes so that various headphones and IEMs can be connected, including both low-impedance and high-impedance varieties. The 3.5mm port may also be used as an optical output. Enjoy the powerful output and dual-tube sound with any device of your choice.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Mini XLR, RCA Output\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBalanced Mini XLR and Unbalanced RCA output with circuits that minimize noise and distortion offers the best sound to the amp and external audio devices through lineout, so that it can effortlessly support active speakers as well as a desktop Head-Fi sound environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. 4.4mm, Coaxial, Optical Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eACRO CA1000T can receive signals from various external devices via its coaxial and optical digital inputs as well as a 4.4mm analog input, so that users can build their perfect audio system. Receive digital and analog signals from an external DAC, interface, and external source devices and use them with the convenient integrated CA1000T system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. USB Input, Bluetooth, Wi-Fi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eACRO CA1000T supports Type-C USB DAC functionality. Enjoy perfect sound from both Mac and Windows PCs, as the CA1000T can play ultra-high quality sound sources. In addition to this, it supports network play such as AK Connect and Roon Ready, as well as various streaming apps through high-quality Bluetooth and Dual-Band Wi-Fi, completing a perfect all-in-one Head-Fi audio system for audiophiles.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* Roon Ready function will be released through a firmware update.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eTERATON ALPHA, The Essence of A\u0026amp;K Audio Technologies\u003c\/h2\u003e\n\u003cp\u003eIt would have been impossible to realize the powerful output from the most detailed headphones and the complicated signal path of a dual tube and triple amp system with minimal noise without TERATON ALPHA, AK's Ultimate Sound Solution. Astell\u0026amp;Kern further improved TERATON ALPHA using knowledge learned from the design of the Hybrid Tube System found in our SP2000T and the noise removal from the CA1000.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA, engineered through endless research, is Astell\u0026amp;Kern's unique technology that has been designed to produce audio playback that is as close to the original sound through effective power noise removal, efficient power management and unwavering amplification, and a fully converted audio output interface.\u003c\/p\u003e\n\u003ch2\u003e4-levels of gain and up to 15Vrms output for the Perfect Head-Fi Setup\u003c\/h2\u003e\n\u003cp\u003eTo run the most detailed IEMs and most demanding headphones perfectly, an output that matches the characteristic of the receiving device is required. The ACRO CA1000T supports 4 gain level settings so that almost any headphones can be driven to an optimal state. The 4-levels of gain setting can create the ideal output for a device’s characteristics and sound, allowing users to fine tune and dial in their desired volume output. And with up to 15 Vrms output, it can run high-impedance headphones with ease.\u003c\/p\u003e\n\u003cp\u003eThe output ports' electrical capacity has been raised to add stability when operating devices with different impedances at the gain level setting, and the separate balanced and unbalanced volume controllers optimize electricity flow and reduce noise for the best sound.\u003c\/p\u003e\n\u003cp\u003eWith the ACRO CA1000T, you can enjoy optimal device performance and pure sound that touches your heart.\u003c\/p\u003e\n\u003ch2\u003eUpgraded Sound The world's first Use of the Newest ESS Flagship DAC\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T is designed with dual ES9039MPRO, using the newest flagship DAC from ESS for the first time ever to offer more vivid and voluminous sounds that surpass your imagination.\u003c\/p\u003e\n\u003cp\u003eThe ES9039MPRO is an additional ES9039PRO model that has a built-in stereo hardware MQA renderer. It has even more advanced modulation than the existing flagship DAC to reduce power consumption, noise and distortions inside the DAC for enhanced audio performance.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern invented and optimized a new design of amp block to heighten the performance of the ES9039MPRO, allowing it to offer more balanced and intense sounds with deeper and richer bass sounds and clear highs.\u003c\/p\u003e\n\u003ch2\u003eSound Design by DAC Filter\u003c\/h2\u003e\n\u003cp\u003eWith the ACRO CA1000T, you can pick and choose from seven DAC filters to create your own sound style. Design your own sound with the seven DAC filters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum phase (Default)\u003c\/strong\u003e Low latency, Minimal pre ringing and low passband ripple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Phase Apodizing\u003c\/strong\u003e Full Image rejection by FS\/2 to avoid any aliasing, with smooth roll-off starting before 20k\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Phase Fast Roll-Off\u003c\/strong\u003e Most Common filter with clean suppression and high rejection, best for music with high transients. Provides crisp clean highs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Phase Slow Roll-Off\u003c\/strong\u003e Low group delay and symmetrical inputs response. Less ringing then Linear phase fast roll off. Punchier bass than LPFR, with clean highs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Phase Fast Roll-Off\u003c\/strong\u003e Minimal Pre Ringing, preferred for Imaging and soundstage. No aliasing in frequency domain. Stronger bass than Linear Phase, clean highs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Phase Slow Roll-Off\u003c\/strong\u003e Non Symetrical filter designed to minimize pre ringing. Strong punchy bass with good transient attacks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Phase Slow Roll-Off Low Dispersion\u003c\/strong\u003e Provides a nice balance of the low latency of Minimum phase filters and the Low Dispersion of Linear Phase filters. Minimal pre-ringing is added to achieve the low dispersion in the audio band\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFull Balanced Circuit with Dual-Tube\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T has dual Twin Triode KORG Nutube tubes, which were implemented for the first time in our award winning SP2000T, offering advanced tube sounds.\u003c\/p\u003e\n\u003cp\u003eWhen a product is equipped with a Dual DAC, and one vacuum tube there must be a separate circuit to convert the signal to Balanced right before the output terminal. This structure requires a process to convert an unbalanced signal to a balanced signal, during which, noise gets amplified in the process. The CA1000T, however, offers a complete balanced circuit that separates left and right channels with two vacuum tubes, creating even more natural and softer sounds.\u003c\/p\u003e\n\u003cp\u003eBoth Tube AMP mode and OPAMP provide a powerful 15 Vrms output, and the headphone ports allow you to enjoy the unique sounds of vacuum tubes without any limitations.\u003c\/p\u003e\n\u003ch2\u003eTRIPLE AMP SYSTEM is the Next Generation of AMP Technology\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T exceeds the standard approach to AMP Mode selection, based on the type of music you are listening to. Select between TUBE AMP mode, OP AMP mode, or the brand-new HYBRID AMP mode.\u003c\/p\u003e\n\u003cp\u003eOP AMP mode puts Astell\u0026amp;Kern's AMP technology expertise to use, delivering extreme clarity and dynamic sound, while TUBE AMP mode provides a uniquely warm and musical sound.\u003c\/p\u003e\n\u003cp\u003eHYBRID AMP mode - a first for digital audio players - enhances the resolution and clarity of the existing TUBE AMP mode to express more musical detail. HYBRID AMP mode, combines the advantages of retro analog performance and high-resolution output, giving you the pleasure of a brand new tonal characteristic.\u003c\/p\u003e\n\u003cp\u003eExperience the unique sound enhancements that this AMP technology has to offer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e[ OP AMP Mode ] \u003c\/strong\u003eExtreme clarity and dynamic \u003cbr\u003e\u003cstrong\u003e[ TUBE AMP Mode ] \u003c\/strong\u003eUniquely warm and musical \u003cbr\u003e\u003cstrong\u003e[ HYBRID AMP Mode ] \u003c\/strong\u003eA fresh combination of retro vibes and high-resolution output.\u003c\/p\u003e\n\u003ch2\u003eCustom design to minimize microphonic noise\u003c\/h2\u003e\n\u003cp\u003eA special custom design minimizes microphonic noise that may be caused by external shocks and vibrations.\u003c\/p\u003e\n\u003cp\u003eTo address the structural issue of vacuum tubes, where microphonic noise is created even by the smallest shocks or vibrations, we repeatedly developed new designs and conducted thorough reviews and testing during prototyping. Both sides of the vacuum tube are fixed with flexible silicon covers to minimize shocks and a magnetic force is used to physically separate it from the PCB, offering greater stability and isolation when the tube is operational.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern is committed to designing these small elements and aspects that create the unrivaled differences between our products and the sound of competitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* A patent application has been made for this technology\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eCrossfeed, Speaker effect when listening through headphones\u003c\/h2\u003e\n\u003cp\u003eIn a headphone environment in which the left and right channels are clearly separated, ear fatigue may increase during prolonged listening. The moment you turn on Crossfeed, the experience of crisp, but comfortable sound begins.\u003c\/p\u003e\n\u003cp\u003eCrossfeed mixes parts of the original signal from one channel and sends that signal to the opposite channel with a time difference to center the sound image.\u003c\/p\u003e\n\u003cp\u003eThrough the use of detailed settings such as Shelf Cutoff, Shelf Gain, and Mixer Level, you can set the level of crossfeed according to your listening preferences.\u003c\/p\u003e\n\u003ch2\u003eOptimized device care with USB-PD 2.0 charging and battery protection mode\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T supports USB-PD 2.0 charging with 9V\/3A and provides 11 hours of continuous playback when fully charged.\u003c\/p\u003e\n\u003cp\u003eDue to the long-term connection to the power supply while connected to various audio devices, long-term charging can shorten battery life.\u003c\/p\u003e\n\u003cp\u003eThe ACRO CA1000T has a battery protection mode feature that helps extend battery life. When battery protection mode is enabled, the battery is charged up to 85%, and then the charge stops. If the battery drops below 80%, the battery will start charging again and charge up to 85%.\u003c\/p\u003e\n\u003cp\u003eEnjoy the ACRO CA1000T's powerful sound while being optimized for longer with the ACRO CA1000T's battery protection mode.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* Battery protection mode will be supported through a firmware update.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eReal-time information using light\u003c\/h2\u003e\n\u003cp\u003eThe LED light reminiscent of the vacuum tube light allows you to check bit depth information of currently playing music or the amp mode being used.\u003c\/p\u003e\n\u003cp\u003e[ Playback mode ] 16bit : red, 24bit : green, 32bit : blue, DSD : purple \u003cbr\u003e[ Amp mode ] OP AMP : red, Tube Amp : orange, Hybrid Amp: blue green\u003c\/p\u003e\n\u003ch2\u003eOther Features\u003c\/h2\u003e\n\u003ch3\u003eSilver Plating Shield Can\u003c\/h3\u003e\n\u003cp\u003eA shield can is applied to prevent various noise and electromagnetic interference from affecting the audio block. The ACRO CA1000T takes it a step further to achieve excellent audio performance and perfect shielding by applying highly conductive, high-purity silver on the existing shield can, and physically separating digital and analog signals.\u003c\/p\u003e\n\u003ch3\u003eMQA 16X Full Decoder and Optical In\/Out Support\u003c\/h3\u003e\n\u003cp\u003eThe ACRO CA1000T supports the MQA 16X Full Decoder via the hardware renderer. In addition, MQA sound sources can be input and output through Optical In\/Out.\u003c\/p\u003e\n\u003cp\u003e*Input: HW rendering of the primary unfolded signal of the connected output device \u003cbr\u003e*Output: CA1000T outputs signal after MQA primary unfold\u003c\/p\u003e\n\u003ch3\u003eAK File Drop to enjoy wireless transfers\u003c\/h3\u003e\n\u003cp\u003eThe new AK File Drop function in the ACRO CA1000T makes file transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch3\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h3\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on ACRO CA1000T.\u003c\/p\u003e\n\u003cp\u003e* ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch3\u003eSupports Native DSD512, 32bit\/768kHz\u003c\/h3\u003e\n\u003cp\u003eACRO CA1000T supports Native DSD512 and up to 32bit\/768kHz with Astell\u0026amp;Kern’s excellent audio technology, allowing you to fully enjoy your favorite music.\u003c\/p\u003e\n\u003ch3\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h3\u003e\n\u003cp\u003eBT Sink function connects the ACRO CA1000T to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the ACRO CA1000T using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T inherits its form and style from the previous model, the CA1000, with subtle redesigns to better represent its improved powerful performance. We chose a darker color to tone down the increased complexity of the parts such as the amp button and the upper lighting glass, giving it a more impactful design aesthetic compared to the CA1000.\u003c\/p\u003e\n\u003cp\u003eThe upper lighting glass shows an image of the amp gleaming through the vacuum glass when the vacuum amp is in operation in an etched pattern, while simultaneously allowing users to easily understand the amp mode’s current status. The volume wheel design, which is the key AK interface and has a gently widening diameter, expressing a powerful burst of output that has been compressed through the vacuum amp. The golden-colored accent ring was changed from aluminum to stainless steel to add a hint of luxury to the design, while also allowing it to have a more intense reflection that juxtaposes it against the dark color of the rich gray body.\u003c\/p\u003e\n\u003cp\u003eWe aim to deliver the unique and beautiful design identity of Astell\u0026amp;Kern along with convenient utility that conveys the sheer joy of sound. The ACRO CA1000T has a tilted display that can be adjusted with just a gentle touch, but is still heavy enough to stand firmly on a desk or a table. You may adjust it by up to 60 degrees to suit your environment and preferred viewing angle.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e ACRO CA1000T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e Rich Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e 4.1 inch 720 x 1280 touch screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample rate\u003c\/strong\u003e \u003cbr\u003ePCM : 8kHz ~ 768kHz (8\/16\/24\/32bits per Sample) \u003cbr\u003eDSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), DSD512(1bit, 22.4MHz) Stereo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level (Headphone Out)\u003c\/strong\u003e \u003cbr\u003e[Low] Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load), \u003cbr\u003e[Mid] Unbalanced 4Vrms \/ Balanced 8Vrms (Condition No Load), \u003cbr\u003e[High] Unbalanced 6Vrms \/ Balanced 12Vrms (Condition No Load), \u003cbr\u003e[Super] Unbalanced 8Vrms \/ Balanced 15Vrms (Condition No Load)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level (RCA Out)\u003c\/strong\u003e 2Vrms (Condition No Load)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level (XLR Out)\u003c\/strong\u003e 4Vrms (Condition No Load)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended headphone impedance\u003c\/strong\u003e 32 ohm – 600 ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e Quad-Core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e ESS ES9039MPRO x2 (Dual-DAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum Tube\u003c\/strong\u003e KORG Nutube 6P1 x2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e Support up to 32bit \/ 768kHz Bit to Bit playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone Outputs\u003c\/strong\u003e Unbalanced (3.5mm, 6.35mm) \/ Balanced (2.5mm, 4.4mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e 4.4mm x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Outputs\u003c\/strong\u003e XLR (Stereo pair) x1, RCA (Stereo pair) x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e Coaxial x1, Optical x1, USB(Type-C) x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e Optical(3.5mm) x1, USB(Type-C) x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e 802.11 a\/b\/g\/n\/ac (2.4\/5GHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e 4.12\"(104.9mm)[W] x 1.77\"(45mm)[H] x 6.13\"(155.8mm)[D]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e about 34.56oz (980g)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e Firmware upgrade supported (OTA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e 0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAudio Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \u003cbr\u003e±0.031dB (Condition : 20Hz~20kHz) Unbalanced\u003cbr\u003e±0.029dB (Condition : 20Hz~20kHz) Balanced\u003cbr\u003e±0.033dB (Condition : 20Hz~20kHz) RCA\u003cbr\u003e±0.002dB (Condition : 20Hz~20kHz) XLR \u003cbr\u003e±0.079dB (Condition : 20Hz~70kHz) Unbalanced\u003cbr\u003e±0.029dB (Condition : 20Hz~70kHz) Balanced\u003cbr\u003e±0.080dB (Condition : 20Hz~70kHz) RCA\u003cbr\u003e±0.008dB (Condition : 20Hz~70kHz) XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e 108dB @ 1kHz, Unbalanced \/ 112dB @ 1kHz, Balanced \/ 121dB @ 1kHz, RCA \/ 128dB @ 1kHz, XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e -115dB @ 1kHz, Unbalanced \/ -112dB @ 1kHz, Balanced \/ -138dB @ 1kHz, RCA \/ -145dB @ 1kHz, XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e 0.004% @ 1kHz, Unbalanced \/ 0.002% @ 1kHz, Balanced \/ 0.0005% @ 1kHz, RCA \/ 0.0003% @ 1kHz, XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e 0.0007% 800Hz 10kHz (4:1) Unbalanced \/ 0.0007% 800Hz 10kHz (4:1) Balanced \/0.0007% 800Hz 10kHz (4:1) RCA \/ \/0.0007% 800Hz 10kHz (4:1) XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e 3.5mm, 6.35mm (1ohm) \/ 2.5mm, 4.4mm (2ohm) \/ RCA (4ohm) \/ XLR (9ohm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClock Source\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e 25ps (Typ)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock Jitter\u003c\/strong\u003e 70ps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStorage Capacity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Memory\u003c\/strong\u003e 256GB [NAND]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Memory\u003c\/strong\u003e microSD x1 (Max. 1TB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e 10,100mAh 3.8V Li-Polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e about 5hours (9V \/ 3A PD2.0 Fast Charging)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e about 11hours (Standard : FLAC, 16bit, 44.1kHz, Unbalanced, Vol.40, LCD Off, OP AMP, Low Gain)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported OS\u003c\/strong\u003e Windows 10, 11(32\/64bit), MAC OS X 10.7 and up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEtc.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudio specifications based on Low Gain and OP AMP.\u003c\/li\u003e\n\u003cli\u003eAudio was NOT muted during the measurement.\u003c\/li\u003e\n\u003cli\u003eThe image\/specification may be changed without notice to improve product performance and quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":44242609733865,"sku":"ACRO CA1000T","price":2299.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/CA1000T-010.jpg?v=1762463542"},{"product_id":"astell-kern-ak-pa10-portable-headphone-amplifier","title":"Astell \u0026 Kern AK PA10 Portable Headphone Amplifier","description":"\u003ch3\u003eThe First Class-A Portable AMP by Astell\u0026amp;Kern\u003c\/h3\u003e\n\u003cp\u003eAstell\u0026amp;Kern has been researching and developing AMP technology to deliver the pure original sound of audio. AK PA10 is the first AK model to introduce a Class-A AMP based on Astell\u0026amp;Kern’s know-how in AMP circuit design technology, and it offers the natural and spacious analog sound of Class-A AMP enhanced further with our proprietary TERATON ALPHA technology.\u003c\/p\u003e\n\u003cp\u003eEnjoy the pure analog sound of Astell\u0026amp;Kern with AK PA10's Current \/ Gain \/ Crossfeed options for digital audio players and source devices.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApplication of Class-A AMP\u003c\/li\u003e\n\u003cli\u003eClass-A Current Control (High \/ Mid \/ Low)\u003c\/li\u003e\n\u003cli\u003eGain Control (High Gain \/ Low Gain)\u003c\/li\u003e\n\u003cli\u003e4.4mm True Balanced input\/output support\u003c\/li\u003e\n\u003cli\u003e3.5mm Unbalanced input\/output support\u003c\/li\u003e\n\u003cli\u003eHardware crossfeed support\u003c\/li\u003e\n\u003cli\u003eUnique SLOPE design of Astell\u0026amp;Kern\u003c\/li\u003e\n\u003cli\u003eUp to 12 hrs of play time\u003c\/li\u003e\n\u003cli\u003ePower and Battery Indicator\u003c\/li\u003e\n\u003cli\u003eC-Type USB charger\u003c\/li\u003e\n\u003cli\u003eTERATON ALPHA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTERATON ALPHA, The Essence of A\u0026amp;K Audio Technologies\u003c\/h3\u003e\n\u003cp\u003eGreat headphone AMPs generate true and pure sound reproduction, when not only a stable output is realized but also each and every part from power, noise, signal transition, circuit structures, etc., are carefully designed and implemented.\u003c\/p\u003e\n\u003cp\u003eAK PA10 is small enough to be portable but operates seamlessly with a wide variety of headphones and IEMs, and is enhanced with the addition of TERATON ALPHA technology which is an AK Ultimate Sound Solution allowing for playback of ultra-high quality sound without any distortion.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA, engineered through many years of endless research, is Astell\u0026amp;Kern's unique technology that has been designed to produce audio playback that is as close to the original sound through effective power noise removal, efficient power management and unwavering amplification, and a fully converted audio output interface.\u003c\/p\u003e\n\u003cp\u003eAK PA10 was developed as the sound solution of TERATON ALPHA, creating pure and intensive analog sounds.\u003c\/p\u003e\n\u003ch3\u003eDistortion-free Analog Sound of Class-A AMP\u003c\/h3\u003e\n\u003cp\u003eClass-A AMPs offer the best linear output, providing soft, warm, and natural sounds by amplifying signals without distortions or defect. This characteristic makes it the most sought-after amplification method by music lovers, though it is considered impossible for portable audio devices as it requires high power consumption and design that is difficult to be realized for small devices.\u003c\/p\u003e\n\u003cp\u003eAK PA10 integrates an Class-A AMP based on the unique circuit design technology of Astell\u0026amp;Kern, offering signature analog sounds.\u003c\/p\u003e\n\u003cp\u003eWith a unique circuit design from Astell\u0026amp;Kern that reduces power consumption and increases output while removing noise, AK PA10 is specifically designed to deliver the amazing sounds of an Class-A AMP anywhere and at any time.\u003c\/p\u003e\n\u003cp\u003eAK PA10, the first portable Class-A AMP of Astell\u0026amp;Kern is here so that you can enjoy analog sounds through your portable devices.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eClass-A Current Control – Intense and Spatial Sound of Analog AMP\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHeadphone AMPs are not just designed to get the output required to operate headphones. AK PA10 controls current to suit different headphones and IEMs reproducing a more intensive and spatial sound.\u003c\/p\u003e\n\u003cp\u003eAK PA10 offers a three-stage control of Class-A AMP current, emphasizing the characteristic of Class-A AMP relative to the current value and creating a more intense sound. Also, we addressed the concern of battery drain due to power consumption, the major reason why Class-A AMPs are not sued used for portable devices, by controlling the current value.\u003c\/p\u003e\n\u003cp\u003eYou can create sounds that suit the characteristics of headphones and IEMs through the three-stage current control option. We hope you enjoy the textured and spatial sounds that AK PA10’s Class-A AMP can create.\u003c\/p\u003e\n\u003cp\u003e* [Low] Default \/ [Mid] +50mA \/ [High] +100mA\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eVivid Sound Output of Gain Control\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSufficient AMP output is required to extract all the subtle nuances in music when played back through varying headphones and IEMs.\u003c\/p\u003e\n\u003cp\u003eWhen connected to the balanced input, AK PA10 can support up to 6.2 Vrms output at high gain. Choose the gain level that offers the best sound of the headphone and IEM that you use to enjoy crystal-clear sounds. AK PA10 brings out the full potential that your audio device has to offer.\u003c\/p\u003e\n\u003cp\u003e* [Low Gain] Unbalanced 2.1Vrms \/ Balanced 4.2Vrms (Condition No Load) \u003cbr\u003e* [High Gain] Unbalanced 3.1Vrms \/ Balanced 6.2Vrms (Condition No Load)\u003c\/p\u003e\n\u003ch3\u003e4.4mm In\/Out True Balanced Circuit Design\u003c\/h3\u003e\n\u003cp\u003eMost portable headphone AMPs switch 3.5mm Unbalanced signals to 4.4mm Balanced signals or do not support a 4.4mm Balanced connection at all. Such input\/output combinations limit users from using the pure balanced output of the source device resulting in loss of signal during the transition process. Rare for a portable Class-A AMP, AK PA10 supports 4.4mm True Balanced input\/output for high output and vivid audio. It also supports 3.5mm unbalanced input\/output ports so that you can use it with a wider variety of devices.\u003c\/p\u003e\n\u003cp\u003e* Output is available for the same size as the input terminal. (Ports cannot be mixed for use e.g., 3.5→4.4 \/ 4.4→3.5)\u003c\/p\u003e\n\u003ch3\u003eAK Analog Sound Anywhere and at Any Time\u003c\/h3\u003e\n\u003cp\u003eAK PA10 comes with a built-in 4,200 mAh battery for 12 hours of continuous playback time without needing to connect it to a power source. Enjoy the analog sound of Astell\u0026amp;Kern anywhere and at any time with AK PA10 which offers great portability and class leading playtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlay Time\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e3.5mm Unbalanced\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow~12 Hours\u003c\/li\u003e\n\u003cli\u003eMid~10.5 Hours\u003c\/li\u003e\n\u003cli\u003eHigh~9.5 Hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e4.4mm Balanced\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow~9 Hours\u003c\/li\u003e\n\u003cli\u003eMid~8 Hours\u003c\/li\u003e\n\u003cli\u003eHigh~7.5 Hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e* Test Condition : Input 1Vrms, PA10 Volume 1 O’ Clock Position, Low Gain standard\u003c\/p\u003e\n\u003cp\u003e* The proposed continuous play time is based on the company’s test result and it may vary by user setup and input\/output setups.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLED battery status indication\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePA10 displays remaining battery and battery charge status through its status LED.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e[ Power On ] \u003c\/strong\u003eTurned on (Color changes according to the recharge status) White (70% or more) \/ Yellow (69%-30%) \/ Red (30% or less) \u003cbr\u003e\u003cstrong\u003e[ Charging ] \u003c\/strong\u003eBlue lights flashing (Regardless of power on\/off) → Blue lights comes in when the charging is completed\u003c\/p\u003e\n\u003ch3\u003eCrossfeed Effect Completed by Hardware Circuit Design\u003c\/h3\u003e\n\u003cp\u003eAs headphones isolate the left\/right channels this can cause increased fatigue to a users ears during extended listening periods, and it offers limited spatial sound by comparison when listening to the same music from speakers.\u003c\/p\u003e\n\u003cp\u003eCrossfeed mixes some of the signals from one channel and sends them to the opposite channel with a slight delay, creating a more central and natural sound, recreating sounds similar to that of listening via a speaker system, subsequently reducing listening fatigue.\u003c\/p\u003e\n\u003cp\u003eAK PA10’s Crossfeed function is implemented exclusively by hardware circuit design, not by digital software, offering a more seamless and sophisticated crossfeed effect without degrading the original sound.\u003c\/p\u003e\n\u003cp\u003eTurn on Crossfeed to experience the vivid, authentic and effortless sound this feature has to offer.\u003c\/p\u003e\n\u003ch3\u003ePerfect Circuit Design of High Output and Low Noise\u003c\/h3\u003e\n\u003cp\u003eAmplifying small signals to get greater outputs inevitably drives the noise level up. However, AK PA10 introduces a high output design for the perfect operation of hard to drive headphones, using delicate current control, and a perfect circuit design that is the embodiment of the philosophy of Astell\u0026amp;Kern which continuously aims to deliver pure and refined audio without any noise.\u003c\/p\u003e\n\u003cp\u003eAK PA10 incorporates our signature analog volume control that seamlessly delivers the sounds of the Class-A AMP. It also has a separate power supply IC per audio block that is divided into crossfeed, volume, AMP, etc., so that it can comfortably supply the optimal power required for each audio IC. This design eliminates the interfering ripple noise (rippling noise that occurs when power is turned on) of DC-DC power, thereby minimizing audio noises that may be amplified along with the audio.\u003c\/p\u003e\n\u003cp\u003eIn addition to this, our proprietary shield can technology is applied so that noises and electromagnetic waves do not affect the audio block and the design that physically separates unbalanced and balanced circuits completes the high-output and low-noise audio.\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eSlope is the design concept of AK PA10.\u003c\/p\u003e\n\u003cp\u003eThe exterior design shows the identity of Astell\u0026amp;Kern and is designed with an image that portrays powerful performance and a great ergonomic fit in the hand. The processed octagonal pillar-shaped aluminum main body is adorned with a diagonally sloping surface. The character side presents the design identity of Astell\u0026amp;Kern and prevents slipping of the device. The uni-body design that finishes the fit at the rubber pad is attached to the player allowing for a seamless design that does not reveal the parting lines to the player.\u003c\/p\u003e\n\u003cp\u003eThe delicately processed volume wheel is one unit that is recessed in the body of the product and the control part and volume identification part are separate. This prevents users from unintentionally operating the volume wheel and allows for visually checking the current output level whilst simultaneously controlling the volume. The rubber pad on the front allows the audio player and AK PA10 to stay together without movement and vibration when they are bound together with the supplied rubber bands. Additionally, we added a 3D textured pattern that is inspired by the logo of Astell\u0026amp;Kern for a touch of luxury.\u003c\/p\u003e\n\u003cp\u003eThe side switches are indicators to let users know the setting of each function intuitively whilst adding to the overall robust and distinctive industrial design of the AK PA10.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e AK PA10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e Graphite Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e Aluminum \u0026amp; Silicone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e Unbalanced 3.5mm \/ Balanced 4.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone Outputs\u003c\/strong\u003e Unbalanced 3.5mm \/ Balanced 4.4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Max Level\u003c\/strong\u003e Unbalanced 2Vrms \/ Balanced 4Vrms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level\u003c\/strong\u003e \u003cbr\u003e[Low Gain] Unbalanced 2.1Vrms \/ Balanced 4.2Vrms (Condition No Load),\u003cbr\u003e[High Gain] Unbalanced 3.1Vrms \/ Balanced 6.2Vrms (Condition No Load)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e 2.87\"(73mm)[W] x 5.51\"(140mm)[H] x 0.91\"(23.3mm)[D]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e about 11.46oz (325g)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Port\u003c\/strong\u003e USB C Type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e 0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAudio Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \u003cbr\u003e[Low Gain] ±0.2dB (Condition : 20Hz~20kHz) Unbalanced \/ ±0.2dB (Condition : 20Hz~20kHz) Balanced \u003cbr\u003e[High Gain] ±0.06dB (Condition : 20Hz~20kHz) Unbalanced \/ ±0.06dB (Condition : 20Hz~20kHz) Balanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e \u003cbr\u003e[Low Gain] 111dB @ 1kHz, Unbalanced \/ 115dB @ 1kHz, Balanced \u003cbr\u003e[High Gain] 114dB @ 1kHz, Unbalanced \/ 117dB @ 1kHz, Balanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e \u003cbr\u003e[Low Gain] 0.0045% @1kHz, Unbalanced \/ 0.0015% @1kHz, Balanced \u003cbr\u003e[High Gain] 0.0027% @1kHz, Unbalanced \/ 0.0013% @1kHz, Balanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e \u003cbr\u003e[Low Gain] -83dB @ 1kHz Unbalanced \/ -110dB @ 1kHz Balanced \u003cbr\u003e[High Gain] -83dB @ 1kHz Unbalanced \/ -110dB @ 1kHz Balanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e 3.5mm (1.1ohm) \/ 4.4mm(1.3ohm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e 4,200mAh 3.8V Li-Polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e About 3hours (Standard - 9V \/ 1.67A Fast Charging) | About 4hours (Standard - 5V \/ 2A General Charging)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e about 12hours (Unbalanced \/ Input - 1Vrms \/ Low Gain \/ Volume 30%)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEtc.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRecommended Headphone Impedance : 16~300Ω\u003c\/li\u003e\n\u003cli\u003eAudio was NOT muted during the measurement.\u003c\/li\u003e\n\u003cli\u003eThe image\/specification may be changed without notice to improve product performance and quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":44242615828713,"sku":"AK PA10","price":660.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/PA10_007.jpg?v=1762463542"},{"product_id":"astell-kern-acro-ca1000t-headphone-amplifier-open-box","title":"Astell \u0026 Kern ACRO CA1000T Headphone Amplifier (Open Box) - Discontinued","description":"\u003ch2\u003eAll-In-One Head-Fi Audio System, ACRO CA1000T\u003c\/h2\u003e\n\u003cp\u003eACRO CA1000T is an all-in-one Head-Fi audio system created for those who want to enjoy the best sound wherever they are.\u003c\/p\u003e\n\u003cp\u003eACRO CA1000T is a multifunctional device that can play ultra-high quality sound sources and provide diverse input\/output options for the perfect desktop companion. Complete with a powerful headphone amplifier and Astell\u0026amp;Kern’s proprietary TERATON ALPHA technology making it a versatile option for the home or office. It offers ultra-high quality sound anywhere using optimal battery power, with no need for a mains power supply connection.\u003c\/p\u003e\n\u003cp\u003eComplete the Head-Fi audio system of your dreams using just an ACRO CA1000T to provide true Astell\u0026amp;Kern sound thanks to its dual-tube applied Triple Amp System, 4-levels of gain that can operate the most detailed IEMs and hard to drive headphones, and ESS Technology’s flagship ES9039MPRO Dual-DAC.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with a ES9039MPRO Dual-DAC for the first time ever\u003c\/li\u003e\n\u003cli\u003ePerfectly drive any headphone\/IEM with 4 levels of gain and up to 15Vrms output\u003c\/li\u003e\n\u003cli\u003eTriple Amp System with a dual-vacuum tube for Hybrid sound options\u003c\/li\u003e\n\u003cli\u003eMultiple inputs and outputs provide maximum options and compatibility\u003c\/li\u003e\n\u003cli\u003eBuilt-in battery for portability and optimum power delivery\u003c\/li\u003e\n\u003cli\u003eOverwhelming Output 15 Vrms\u003c\/li\u003e\n\u003cli\u003eES9039MPRO Dual-DAC\u003c\/li\u003e\n\u003cli\u003eDual Vacuum Tube\u003c\/li\u003e\n\u003cli\u003ePowerful Connections\u003c\/li\u003e\n\u003cli\u003eCrossfeed\u003c\/li\u003e\n\u003cli\u003eDual-Band Wi-Fi\u003c\/li\u003e\n\u003cli\u003eaptX™ HD LDAC\u003c\/li\u003e\n\u003cli\u003eRoon Ready\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eConvenient, High-Quality Head-Fi Sound\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T goes beyond the limitations of a fixed headphone amp with its ideal Head-Fi audio system that can be setup anywhere you want and can run independently from its internal battery supply.\u003c\/p\u003e\n\u003cp\u003eThe ACRO CA1000T offers detailed headphone sound thanks to its built-in high-power headphone amp that does not require a connection to other devices. It's an all-in-one Head-Fi audio system that provides great connectivity with external audio devices and speakers thanks to its diverse range of input\/output ports, allowing you to easily enjoy network audio playback and music streaming.\u003c\/p\u003e\n\u003ch2\u003eExtensive Input\/Output Options\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T offers an extensive range of input\/output options that can meet the needs of audiophiles looking to build their ideal Head-Fi system with maximum utility. For greater ease of use, you can change the input\/output settings using the touch screen on top of the product while multiple cables and devices are connected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. 3.5mm, 6.35mm Unbalanced, 2.5mm 4.4mm Balanced Output\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe output port located on the front side of the product is compatible with a range of sizes so that various headphones and IEMs can be connected, including both low-impedance and high-impedance varieties. The 3.5mm port may also be used as an optical output. Enjoy the powerful output and dual-tube sound with any device of your choice.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Mini XLR, RCA Output\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBalanced Mini XLR and Unbalanced RCA output with circuits that minimize noise and distortion offers the best sound to the amp and external audio devices through lineout, so that it can effortlessly support active speakers as well as a desktop Head-Fi sound environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. 4.4mm, Coaxial, Optical Input\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eACRO CA1000T can receive signals from various external devices via its coaxial and optical digital inputs as well as a 4.4mm analog input, so that users can build their perfect audio system. Receive digital and analog signals from an external DAC, interface, and external source devices and use them with the convenient integrated CA1000T system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. USB Input, Bluetooth, Wi-Fi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eACRO CA1000T supports Type-C USB DAC functionality. Enjoy perfect sound from both Mac and Windows PCs, as the CA1000T can play ultra-high quality sound sources. In addition to this, it supports network play such as AK Connect and Roon Ready, as well as various streaming apps through high-quality Bluetooth and Dual-Band Wi-Fi, completing a perfect all-in-one Head-Fi audio system for audiophiles.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* Roon Ready function will be released through a firmware update.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eTERATON ALPHA, The Essence of A\u0026amp;K Audio Technologies\u003c\/h2\u003e\n\u003cp\u003eIt would have been impossible to realize the powerful output from the most detailed headphones and the complicated signal path of a dual tube and triple amp system with minimal noise without TERATON ALPHA, AK's Ultimate Sound Solution. Astell\u0026amp;Kern further improved TERATON ALPHA using knowledge learned from the design of the Hybrid Tube System found in our SP2000T and the noise removal from the CA1000.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA, engineered through endless research, is Astell\u0026amp;Kern's unique technology that has been designed to produce audio playback that is as close to the original sound through effective power noise removal, efficient power management and unwavering amplification, and a fully converted audio output interface.\u003c\/p\u003e\n\u003ch2\u003e4-levels of gain and up to 15Vrms output for the Perfect Head-Fi Setup\u003c\/h2\u003e\n\u003cp\u003eTo run the most detailed IEMs and most demanding headphones perfectly, an output that matches the characteristic of the receiving device is required. The ACRO CA1000T supports 4 gain level settings so that almost any headphones can be driven to an optimal state. The 4-levels of gain setting can create the ideal output for a device’s characteristics and sound, allowing users to fine tune and dial in their desired volume output. And with up to 15 Vrms output, it can run high-impedance headphones with ease.\u003c\/p\u003e\n\u003cp\u003eThe output ports' electrical capacity has been raised to add stability when operating devices with different impedances at the gain level setting, and the separate balanced and unbalanced volume controllers optimize electricity flow and reduce noise for the best sound.\u003c\/p\u003e\n\u003cp\u003eWith the ACRO CA1000T, you can enjoy optimal device performance and pure sound that touches your heart.\u003c\/p\u003e\n\u003ch2\u003eUpgraded Sound The world's first Use of the Newest ESS Flagship DAC\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T is designed with dual ES9039MPRO, using the newest flagship DAC from ESS for the first time ever to offer more vivid and voluminous sounds that surpass your imagination.\u003c\/p\u003e\n\u003cp\u003eThe ES9039MPRO is an additional ES9039PRO model that has a built-in stereo hardware MQA renderer. It has even more advanced modulation than the existing flagship DAC to reduce power consumption, noise and distortions inside the DAC for enhanced audio performance.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern invented and optimized a new design of amp block to heighten the performance of the ES9039MPRO, allowing it to offer more balanced and intense sounds with deeper and richer bass sounds and clear highs.\u003c\/p\u003e\n\u003ch2\u003eSound Design by DAC Filter\u003c\/h2\u003e\n\u003cp\u003eWith the ACRO CA1000T, you can pick and choose from seven DAC filters to create your own sound style. Design your own sound with the seven DAC filters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum phase (Default)\u003c\/strong\u003e Low latency, Minimal pre ringing and low passband ripple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Phase Apodizing\u003c\/strong\u003e Full Image rejection by FS\/2 to avoid any aliasing, with smooth roll-off starting before 20k\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Phase Fast Roll-Off\u003c\/strong\u003e Most Common filter with clean suppression and high rejection, best for music with high transients. Provides crisp clean highs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Phase Slow Roll-Off\u003c\/strong\u003e Low group delay and symmetrical inputs response. Less ringing then Linear phase fast roll off. Punchier bass than LPFR, with clean highs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Phase Fast Roll-Off\u003c\/strong\u003e Minimal Pre Ringing, preferred for Imaging and soundstage. No aliasing in frequency domain. Stronger bass than Linear Phase, clean highs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Phase Slow Roll-Off\u003c\/strong\u003e Non Symetrical filter designed to minimize pre ringing. Strong punchy bass with good transient attacks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Phase Slow Roll-Off Low Dispersion\u003c\/strong\u003e Provides a nice balance of the low latency of Minimum phase filters and the Low Dispersion of Linear Phase filters. Minimal pre-ringing is added to achieve the low dispersion in the audio band\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFull Balanced Circuit with Dual-Tube\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T has dual Twin Triode KORG Nutube tubes, which were implemented for the first time in our award winning SP2000T, offering advanced tube sounds.\u003c\/p\u003e\n\u003cp\u003eWhen a product is equipped with a Dual DAC, and one vacuum tube there must be a separate circuit to convert the signal to Balanced right before the output terminal. This structure requires a process to convert an unbalanced signal to a balanced signal, during which, noise gets amplified in the process. The CA1000T, however, offers a complete balanced circuit that separates left and right channels with two vacuum tubes, creating even more natural and softer sounds.\u003c\/p\u003e\n\u003cp\u003eBoth Tube AMP mode and OPAMP provide a powerful 15 Vrms output, and the headphone ports allow you to enjoy the unique sounds of vacuum tubes without any limitations.\u003c\/p\u003e\n\u003ch2\u003eTRIPLE AMP SYSTEM is the Next Generation of AMP Technology\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T exceeds the standard approach to AMP Mode selection, based on the type of music you are listening to. Select between TUBE AMP mode, OP AMP mode, or the brand-new HYBRID AMP mode.\u003c\/p\u003e\n\u003cp\u003eOP AMP mode puts Astell\u0026amp;Kern's AMP technology expertise to use, delivering extreme clarity and dynamic sound, while TUBE AMP mode provides a uniquely warm and musical sound.\u003c\/p\u003e\n\u003cp\u003eHYBRID AMP mode - a first for digital audio players - enhances the resolution and clarity of the existing TUBE AMP mode to express more musical detail. HYBRID AMP mode, combines the advantages of retro analog performance and high-resolution output, giving you the pleasure of a brand new tonal characteristic.\u003c\/p\u003e\n\u003cp\u003eExperience the unique sound enhancements that this AMP technology has to offer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e[ OP AMP Mode ] \u003c\/strong\u003eExtreme clarity and dynamic \u003cbr\u003e\u003cstrong\u003e[ TUBE AMP Mode ] \u003c\/strong\u003eUniquely warm and musical \u003cbr\u003e\u003cstrong\u003e[ HYBRID AMP Mode ] \u003c\/strong\u003eA fresh combination of retro vibes and high-resolution output.\u003c\/p\u003e\n\u003ch2\u003eCustom design to minimize microphonic noise\u003c\/h2\u003e\n\u003cp\u003eA special custom design minimizes microphonic noise that may be caused by external shocks and vibrations.\u003c\/p\u003e\n\u003cp\u003eTo address the structural issue of vacuum tubes, where microphonic noise is created even by the smallest shocks or vibrations, we repeatedly developed new designs and conducted thorough reviews and testing during prototyping. Both sides of the vacuum tube are fixed with flexible silicon covers to minimize shocks and a magnetic force is used to physically separate it from the PCB, offering greater stability and isolation when the tube is operational.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern is committed to designing these small elements and aspects that create the unrivaled differences between our products and the sound of competitors.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* A patent application has been made for this technology\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eCrossfeed, Speaker effect when listening through headphones\u003c\/h2\u003e\n\u003cp\u003eIn a headphone environment in which the left and right channels are clearly separated, ear fatigue may increase during prolonged listening. The moment you turn on Crossfeed, the experience of crisp, but comfortable sound begins.\u003c\/p\u003e\n\u003cp\u003eCrossfeed mixes parts of the original signal from one channel and sends that signal to the opposite channel with a time difference to center the sound image.\u003c\/p\u003e\n\u003cp\u003eThrough the use of detailed settings such as Shelf Cutoff, Shelf Gain, and Mixer Level, you can set the level of crossfeed according to your listening preferences.\u003c\/p\u003e\n\u003ch2\u003eOptimized device care with USB-PD 2.0 charging and battery protection mode\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T supports USB-PD 2.0 charging with 9V\/3A and provides 11 hours of continuous playback when fully charged.\u003c\/p\u003e\n\u003cp\u003eDue to the long-term connection to the power supply while connected to various audio devices, long-term charging can shorten battery life.\u003c\/p\u003e\n\u003cp\u003eThe ACRO CA1000T has a battery protection mode feature that helps extend battery life. When battery protection mode is enabled, the battery is charged up to 85%, and then the charge stops. If the battery drops below 80%, the battery will start charging again and charge up to 85%.\u003c\/p\u003e\n\u003cp\u003eEnjoy the ACRO CA1000T's powerful sound while being optimized for longer with the ACRO CA1000T's battery protection mode.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* Battery protection mode will be supported through a firmware update.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eReal-time information using light\u003c\/h2\u003e\n\u003cp\u003eThe LED light reminiscent of the vacuum tube light allows you to check bit depth information of currently playing music or the amp mode being used.\u003c\/p\u003e\n\u003cp\u003e[ Playback mode ] 16bit : red, 24bit : green, 32bit : blue, DSD : purple \u003cbr\u003e[ Amp mode ] OP AMP : red, Tube Amp : orange, Hybrid Amp: blue green\u003c\/p\u003e\n\u003ch2\u003eOther Features\u003c\/h2\u003e\n\u003ch3\u003eSilver Plating Shield Can\u003c\/h3\u003e\n\u003cp\u003eA shield can is applied to prevent various noise and electromagnetic interference from affecting the audio block. The ACRO CA1000T takes it a step further to achieve excellent audio performance and perfect shielding by applying highly conductive, high-purity silver on the existing shield can, and physically separating digital and analog signals.\u003c\/p\u003e\n\u003ch3\u003eMQA 16X Full Decoder and Optical In\/Out Support\u003c\/h3\u003e\n\u003cp\u003eThe ACRO CA1000T supports the MQA 16X Full Decoder via the hardware renderer. In addition, MQA sound sources can be input and output through Optical In\/Out.\u003c\/p\u003e\n\u003cp\u003e*Input: HW rendering of the primary unfolded signal of the connected output device \u003cbr\u003e*Output: CA1000T outputs signal after MQA primary unfold\u003c\/p\u003e\n\u003ch3\u003eAK File Drop to enjoy wireless transfers\u003c\/h3\u003e\n\u003cp\u003eThe new AK File Drop function in the ACRO CA1000T makes file transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch3\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h3\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on ACRO CA1000T.\u003c\/p\u003e\n\u003cp\u003e* ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch3\u003eSupports Native DSD512, 32bit\/768kHz\u003c\/h3\u003e\n\u003cp\u003eACRO CA1000T supports Native DSD512 and up to 32bit\/768kHz with Astell\u0026amp;Kern’s excellent audio technology, allowing you to fully enjoy your favorite music.\u003c\/p\u003e\n\u003ch3\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h3\u003e\n\u003cp\u003eBT Sink function connects the ACRO CA1000T to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the ACRO CA1000T using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eThe ACRO CA1000T inherits its form and style from the previous model, the CA1000, with subtle redesigns to better represent its improved powerful performance. We chose a darker color to tone down the increased complexity of the parts such as the amp button and the upper lighting glass, giving it a more impactful design aesthetic compared to the CA1000.\u003c\/p\u003e\n\u003cp\u003eThe upper lighting glass shows an image of the amp gleaming through the vacuum glass when the vacuum amp is in operation in an etched pattern, while simultaneously allowing users to easily understand the amp mode’s current status. The volume wheel design, which is the key AK interface and has a gently widening diameter, expressing a powerful burst of output that has been compressed through the vacuum amp. The golden-colored accent ring was changed from aluminum to stainless steel to add a hint of luxury to the design, while also allowing it to have a more intense reflection that juxtaposes it against the dark color of the rich gray body.\u003c\/p\u003e\n\u003cp\u003eWe aim to deliver the unique and beautiful design identity of Astell\u0026amp;Kern along with convenient utility that conveys the sheer joy of sound. The ACRO CA1000T has a tilted display that can be adjusted with just a gentle touch, but is still heavy enough to stand firmly on a desk or a table. You may adjust it by up to 60 degrees to suit your environment and preferred viewing angle.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e ACRO CA1000T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e Rich Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e 4.1 inch 720 x 1280 touch screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample rate\u003c\/strong\u003e \u003cbr\u003ePCM : 8kHz ~ 768kHz (8\/16\/24\/32bits per Sample) \u003cbr\u003eDSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), DSD512(1bit, 22.4MHz) Stereo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level (Headphone Out)\u003c\/strong\u003e \u003cbr\u003e[Low] Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load), \u003cbr\u003e[Mid] Unbalanced 4Vrms \/ Balanced 8Vrms (Condition No Load), \u003cbr\u003e[High] Unbalanced 6Vrms \/ Balanced 12Vrms (Condition No Load), \u003cbr\u003e[Super] Unbalanced 8Vrms \/ Balanced 15Vrms (Condition No Load)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level (RCA Out)\u003c\/strong\u003e 2Vrms (Condition No Load)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level (XLR Out)\u003c\/strong\u003e 4Vrms (Condition No Load)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended headphone impedance\u003c\/strong\u003e 32 ohm – 600 ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e Quad-Core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e ESS ES9039MPRO x2 (Dual-DAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum Tube\u003c\/strong\u003e KORG Nutube 6P1 x2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e Support up to 32bit \/ 768kHz Bit to Bit playback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone Outputs\u003c\/strong\u003e Unbalanced (3.5mm, 6.35mm) \/ Balanced (2.5mm, 4.4mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e 4.4mm x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Outputs\u003c\/strong\u003e XLR (Stereo pair) x1, RCA (Stereo pair) x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e Coaxial x1, Optical x1, USB(Type-C) x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e Optical(3.5mm) x1, USB(Type-C) x1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e 802.11 a\/b\/g\/n\/ac (2.4\/5GHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e 4.12\"(104.9mm)[W] x 1.77\"(45mm)[H] x 6.13\"(155.8mm)[D]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e about 34.56oz (980g)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e Firmware upgrade supported (OTA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e 0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAudio Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \u003cbr\u003e±0.031dB (Condition : 20Hz~20kHz) Unbalanced\u003cbr\u003e±0.029dB (Condition : 20Hz~20kHz) Balanced\u003cbr\u003e±0.033dB (Condition : 20Hz~20kHz) RCA\u003cbr\u003e±0.002dB (Condition : 20Hz~20kHz) XLR \u003cbr\u003e±0.079dB (Condition : 20Hz~70kHz) Unbalanced\u003cbr\u003e±0.029dB (Condition : 20Hz~70kHz) Balanced\u003cbr\u003e±0.080dB (Condition : 20Hz~70kHz) RCA\u003cbr\u003e±0.008dB (Condition : 20Hz~70kHz) XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e 108dB @ 1kHz, Unbalanced \/ 112dB @ 1kHz, Balanced \/ 121dB @ 1kHz, RCA \/ 128dB @ 1kHz, XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e -115dB @ 1kHz, Unbalanced \/ -112dB @ 1kHz, Balanced \/ -138dB @ 1kHz, RCA \/ -145dB @ 1kHz, XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e 0.004% @ 1kHz, Unbalanced \/ 0.002% @ 1kHz, Balanced \/ 0.0005% @ 1kHz, RCA \/ 0.0003% @ 1kHz, XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e 0.0007% 800Hz 10kHz (4:1) Unbalanced \/ 0.0007% 800Hz 10kHz (4:1) Balanced \/0.0007% 800Hz 10kHz (4:1) RCA \/ \/0.0007% 800Hz 10kHz (4:1) XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e 3.5mm, 6.35mm (1ohm) \/ 2.5mm, 4.4mm (2ohm) \/ RCA (4ohm) \/ XLR (9ohm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClock Source\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e 25ps (Typ)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock Jitter\u003c\/strong\u003e 70ps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStorage Capacity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Memory\u003c\/strong\u003e 256GB [NAND]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Memory\u003c\/strong\u003e microSD x1 (Max. 1TB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e 10,100mAh 3.8V Li-Polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e about 5hours (9V \/ 3A PD2.0 Fast Charging)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e about 11hours (Standard : FLAC, 16bit, 44.1kHz, Unbalanced, Vol.40, LCD Off, OP AMP, Low Gain)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported OS\u003c\/strong\u003e Windows 10, 11(32\/64bit), MAC OS X 10.7 and up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEtc.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudio specifications based on Low Gain and OP AMP.\u003c\/li\u003e\n\u003cli\u003eAudio was NOT muted during the measurement.\u003c\/li\u003e\n\u003cli\u003eThe image\/specification may be changed without notice to improve product performance and quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":44538543407337,"sku":"ACRO CA1000T (OB)","price":2184.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/CA1000T-010_3e311659-5b97-4620-b54e-b17eece69ef1.jpg?v=1762464269"},{"product_id":"astell-kern-empire-ears-collaboration-odyssey-electrostatic-universal-fit-earphones-open-box","title":"Astell \u0026 Kern x Empire Ears Odyssey Electrostatic Universal Fit Earphones (Open Box) - Discontinued","description":"\u003ch2\u003eEmpire Ears x Astell\u0026amp;Kern\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eA Benchmark Collaboration founded on the same passion for the extraordinary\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern is challenging the possibilities of infinite sound and always striving for purest sound imaginable. We wanted to fully convey the overwhelming sound of the newest flagship A\u0026amp;ultima SP3000, which was created by our continued efforts, through the best IEM that deserve it.\u003c\/p\u003e\n\u003cp\u003eEmpire Ears is an uncompromising and prestigious manufacturer of IEMs that are the most original and complete with the latest technologies. Astell\u0026amp;Kern and Empire Ears, completed Odyssey to present our most extraordinary sound with our flagship products containing the essence of A\u0026amp;K and Empire Ears.\u003c\/p\u003e\n\u003ch2\u003eOdyssey\u003c\/h2\u003e\n\u003cp\u003eEmpire Ears’ never-ending pursuit of extraordinary drove them to build an IEM that is unashamedly without compromise. With technology harnessed from the Odin and Legend EVO we’ve distilled everything we’ve learned into this epic collaboration to create the next generation in-ear monitor, Odyssey.\u003c\/p\u003e\n\u003cp\u003eOur legacies are proof that attention to detail and visionary innovation conceive magnificent design. Never before has this been truer than with the partnership between two extraordinary companies collaborating to construct a revolutionary new in-ear monitor category.\u003c\/p\u003e\n\u003ch2\u003eEmpire Ears\u003c\/h2\u003e\n\u003cp\u003eEmpire Ears is an avant-garde summit-fi and innovate in-ear monitor company. A record-breaking tradition courses through our history – the result of pushing the boundaries of in-ear monitors to achieve higher standards in ultimate performance.\u003c\/p\u003e\n\u003cp\u003e\"The Odyssey has been an extraordinary adventure in engineering and it’s forced me to focus on new technologies and unconventional processes. The idea was to build an IEM of extremes, one worthy of bearing both the Empire Ears and Astell\u0026amp;Kern name. No half measure. No compromises. We had to use everything in our arsenal to break new barriers.\" \u003cem\u003e-Dean Vang . Founder of Empire Ears\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eNew Rules\u003c\/h2\u003e\n\u003cp\u003eWe look to the future with a visionary approach, carrying our pursuit of extraordinary to the extremes. Our advantage is that we champion invention over convention. Our efforts have produced many world’s-first technologies that have changed the IEM industry forever and the Odyssey is no exception – it is a technological showcase.\u003c\/p\u003e\n\u003ch2\u003eQuadbrid Design\u003c\/h2\u003e\n\u003cp\u003eEven with low-volume quantities, we develop and build several of our own bespoke drivers rather than outsourcing them from other manufacturers. Doing so gives us the freedom to develop groundbreaking technology unrestricted by industry limitations or compromises. The Odyssey is proof of concept of the incredible engineering at Empire Ears.\u003c\/p\u003e\n\u003cp\u003eAt its core is a proprietary 10 drivers Quadbrid system composed of twin W9+ Subwoofers, 5 Balanced Armatures, dual Electrostatics and a W10 Bone Conductor. With 7-way synX cross over network and EIVEC MKII engine, harmonize all 10 drivers of Quadbrid System, ensuring perfect coherence and timing throughout its remarkable 5Hz-100kHz frequency response range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eW10 (Bone Conductor)\u003cbr\u003e\u003c\/strong\u003e- Otherworldly imaging, nuance retrieval and timbre are achieved via bone conduction from our W10 Bone Conduction Ultra Driver. (Full Range)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFive Balanced Armature Drivers\u003cbr\u003e\u003c\/strong\u003e- Custom spec’d Knowles(Upper Mid –High) and Sonion balanced armatures(Lower Mid – Mid) are commissioned with a single minded purpose of reproducing only the most pure, breathtaking mid-range frequencies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual W9+ (Subwoofer)\u003cbr\u003e\u003c\/strong\u003e- Legendary, unparalleled bass reproduction is made possible by our purpose-built, W9+ subwoofers. (Sub bass - Bass)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Electrostatic Tweeters\u003cbr\u003e\u003c\/strong\u003e- Distortion-free, lightning fast transient response and hyper treble extension from Sonion electrostatic drivers ensure unparalleled transparency.(High - Ultra High)\u003c\/p\u003e\n\u003ch2\u003eDual Conduction Architecture\u003c\/h2\u003e\n\u003cp\u003eEmpire has a long history of developing innovative, in-house solutions aimed at maximizing in-ear monitor performance. Our no-compromise philosophy inspired the development of our Dual Conduction Architecture – a revolutionary method of audio reproduction through both air and bone conduction to maximize listener immersion with a sound that you cannot only hear but feel, guaranteeing the purest experience possible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAir Conduction\u003cbr\u003e\u003c\/strong\u003eWhen you look at our hearing system you can break it down into 3 different regions: the outer ear, middle ear and inner ear. Air conduction utilizes all 3 as sound is collected by the outer ear and directed along the ear canal into the ear drum, vibrating the bones of hearing (ossicles) in the middle ear to stimulate the hair cells inside of your cochlea in the inner ear. This stimulation creates electrical nerve impulses which are then carried to the brain by the auditory nerve to be converted into sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBone Conduction\u003cbr\u003e\u003c\/strong\u003eBone conduction completely bypasses the outer and middle ear components by sending vibrations directly through the skull to stimulate the hair cells inside of your cochlea. Through bone conduction we can perceive ultrasonic hearing (beyond 20kHz) Bone conduction is generally perceived to have a lower, deeper tone because the skull conducts lower frequencies more efficiently than air.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Conduction\u003cbr\u003e\u003c\/strong\u003eThe Odyssey fully exploits the best of both worlds with its pioneering Dual Conduction Architecture (DCA). A full range 5Hz-100kHz frequency response is delivered via air conduction from the dual W9+ subwoofers, five balanced armatures and dual electrostatics while imaging, soundstage, detail retrieval, low frequency extension and reverb is extraordinarily enhanced from 5Hz-40kHz via bone conduction from the W10.\u003c\/p\u003e\n\u003cp\u003eThrough the use of DCA and Empire’s masterful tuning the Odyssey reproduces the most immersive, pure and stereophonic sound possible.\u003c\/p\u003e\n\u003ch2\u003eThe Empire Difference\u003cbr\u003e\u003cstrong\u003esynX Crossover Technology\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eGenetically dissimilar from the rest of the IEM world, our synX crossover network truly stands out with countless bespoke methods and technologies protecting it as a unique masterpiece. A marriage of 4 distinct driver technologies is symphonized via a proprietary 7-way synX crossover network, ensuring maximum performance from all 10 drivers.\u003c\/p\u003e\n\u003ch2\u003eEIVEC MKII\u003c\/h2\u003e\n\u003cp\u003eThe all-new EIVEC MKII engine was developed specifically for Odyssey to ensure optimal timing, phasing and control between the electrostatic and bone conduction drivers – a monumental achievement.\u003c\/p\u003e\n\u003cp\u003eEmpire Intelligent Variable Electrostatic Control – EIVEC - is Empire’s approach to incorporating electrostatic EST drivers into IEMs. For all the incredible range and resolution, electrostatic drivers are notoriously hard to control, often overpowering other drivers. EIVEC is our solution to that, and the degree of control provided by EIVEC is so precise that the electrostatics can operate independently, performing disparate tasks within the sound stage to deliver layer upon layer of detail and texture for unparalleled performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Tri-Port Exhausts\u003cbr\u003e\u003c\/strong\u003eDue to the nature of the W10’s extreme output the enclosure’s air volume and vent design were especially crucial for proper tuning. Even the slightest change in diameter and positioning had a dramatic effect on sound quality and performance. By mastering the W10’s volume requirements we’re able to harness its optimal output, capabilities and potential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRECISION MOUNTED WEAPON\u003cbr\u003e\u003c\/strong\u003eThe W10 is strategically ceiling mounted in a specially designed cavity at the top of the shell. This cavity is engineered to keep all sonic vibrations internal, maximizing bone conductivity transfer through the solid-filled ear canal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA.R.C. Treated Chassis\u003cbr\u003e\u003c\/strong\u003eAny flex in the enclosure walls will have unequal resonant frequencies and by treating the internals in critical areas with ARC we gain control of the room, allowing what gets reflected and\/or absorbed. This eliminates any unwanted sound and allows the tone of the drivers to be as pure as possible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSOUNDPROOFED BARRIER\u003cbr\u003e\u003c\/strong\u003eLow frequency energy causes even some of the most stable materials to resonate which is why we’ve sealed the shell with a custom spec cast polymer to channel the internal sonic vibrations towards the listener while reflecting any unwanted energy from the outside.\u003c\/p\u003e\n\u003ch2\u003eAres II\u003c\/h2\u003e\n\u003cp\u003eThe Effect Audio Ares II cable boasts a proprietary multi-size stranded 26 AWG UPOCC Litz copper with Ultra FlexiTM Insulation for maximum signal speed transmission, performance, and ergonomics. Each Ares II is terminated with an ultra premium 4.4 Pentaconn connector.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUPOCC Copper Litz\u003c\/li\u003e\n\u003cli\u003e26 AWG 4 Wire\u003c\/li\u003e\n\u003cli\u003eEA Ultra FlexiTM Insulation\u003c\/li\u003e\n\u003cli\u003eProprietary Multi-Size Stranded design within a Single Encapsulation\u003c\/li\u003e\n\u003cli\u003eSatin Black Effect Audio x Empire Ears Connectors and Y-Split\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned, Engineered \u0026amp; Proudly Handcrafted in the USA\u003c\/h2\u003e\n\u003cp\u003eAn elite team of Empire’s finest have been tasked to build the Odyssey at the Empire Ears facility in Atlanta, Georgia USA where 5,000 square feet is reserved exclusively for this collaboration.\u003c\/p\u003e\n\u003cp\u003eEach stage of Odyssey’s production is hand-built by one master technician and engineer and passed onto the next, guiding each pair along its journey to completion through 10 stations for a total of 9 hands-on hours per set.\u003c\/p\u003e\n\u003cp\u003eThe Odyssey is not only the most technologically advanced IEM Empire has ever built, but also the most exclusive.\u003c\/p\u003e\n\u003ch2\u003ePackage contents include\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOdyssey Earphones L\/R\u003c\/li\u003e\n\u003cli\u003e4.4mm Bespoke Effect Audio ARES II UPOCC Copper Litz Cable\u003c\/li\u003e\n\u003cli\u003e4.4mm to 3.5mm Pentaconn adapter\u003c\/li\u003e\n\u003cli\u003e5 pairs of Final Audio E-Type Tips (XS\/S\/M\/L\/XL) with Aluminum Tip tray\u003c\/li\u003e\n\u003cli\u003ePandora V2 CNC anodized black aluminum case\u003c\/li\u003e\n\u003cli\u003eCleaning Tool\u003c\/li\u003e\n\u003cli\u003eEE X AK Microfiber Cloth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eENIGMA – A Visual Masterpiece ENIGMA is an ultra-exclusive, one-of-a-kind dichroic faceplate that features nine individual polymer layers in three proprietary lamination steps. Each lamination is unique in its ability to filter and reflect specific wavelengths of light. This results in a faceplate that will produce breathtaking color transitions as the viewing angle changes -- literally shifting before your very eye.\u003c\/p\u003e\n\u003cp\u003eEnigma is masterfully handcrafted in the USA by an award winning chemist that currently holds two patents in polymer science for high solids coating chemistry.\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eODYSSEY\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver\u003c\/strong\u003e \n\u003cp\u003e10 Drivers Quadbrid, Dual Conduction Design \u003cbr\u003e[Dual] W9+ Subwoofers \u003cbr\u003e[Five] Proprietary Balanced Armature Drivers \u003cbr\u003e[Dual] Electrostatic Tweeters \u003cbr\u003e[W10] Bone Conduction Ultra Driver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable\u003c\/strong\u003e \n\u003cp\u003e4.4mm Bespoke Effect Audio ARES II UPOCC Copper Litz Cable \/ Pentaconn Termination \u003cbr\u003e4.4mm to 3.5mm Pentaconn adapter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e \n\u003cp\u003e9 Layer Optical Core, 'ENIGMA' Faceplate \u003cbr\u003e3D Printed, Hand Polished A.R.C. Treated Chassis shell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response \u003c\/strong\u003e \n\u003cp\u003e5Hz-100kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity\u003c\/strong\u003e \n\u003cp\u003e100dB @ 1kHz, 1mW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance \u003c\/strong\u003e \n\u003cp\u003e2.1 ohmz @1kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":44565340684521,"sku":"Odyssey (OB)","price":3229.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/Odyssey_001_ccd25864-e05c-49ef-996c-bae80825deb5.jpg?v=1762464368"},{"product_id":"astell-kern-a-norma-sr35-audio-player","title":"Astell \u0026 Kern A\u0026norma SR35 Audio Player - Discontinued","description":"\u003ch2\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 HiFi Sound\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-1.jpg?v=1691784634\"\u003e\u003c\/h2\u003e\n\u003ch2\u003eHi-Fi Sound on-the-go\u003c\/h2\u003e\n\u003cp\u003eThe A\u0026amp;norma series was created to enjoy the premium sounds of Astell\u0026amp;Kern in a portable size with best in class specifications. SR25 MKII, the previous model in the series, was loved by audio enthusiasts and those just starting their personal audio journey thanks to its portable size and powerful Hi-Fi sound through a 4.4-mm balanced jack.\u003c\/p\u003e\n\u003cp\u003eThe A\u0026amp;norma SR35 inherits these strengths while applying the amplifier and audio design that was applied to Astell\u0026amp;Kern's premium products to deliver the authentic sound quality that Astell\u0026amp;Kern are so well known for. The ultra compact SR35 features 20 hours of continuous playback, while supporting Quad DAC and two-step Gain control, and the A\u0026amp;norma line's first introduction of New Generation Amp technology with Astell\u0026amp;Kern's long-standing know-how for an even more delicate and clear Hi-Fi sound at higher output.\u003c\/p\u003e\n\u003cp\u003eWe have also applied our new UI\/UX with improved visuals and usability to the SR35 for a more immersive music experience. In addition to this the SR35 is equipped with Roon Ready and MQA full decoder support to further enhance the performance of our A\u0026amp;norma line.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;Norma SR35 HiFi Sound On The Go\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-7.jpg?v=1691784374\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCS43198 Quad-DAC (Quad\/Dual Switching Mode)\u003c\/li\u003e\n\u003cli\u003eNew Generation AMP Technology\u003c\/li\u003e\n\u003cli\u003e2-Step Gain Mode\u003c\/li\u003e\n\u003cli\u003eNEW UI\/UX - Crimson Theme\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eDual-Band \u003c\/span\u003eWi-Fi (2.4 \u0026amp; 5 GHz)\u003c\/li\u003e\n\u003cli\u003e20-hour continuous playtime\u003c\/li\u003e\n\u003cli\u003eSupports two-way Bluetooth and LDAC, aptX™ HD\u003c\/li\u003e\n\u003cli\u003eRoon Ready (First in A\u0026amp;norma series)\u003c\/li\u003e\n\u003cli\u003eMQA Full Decoder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuad DAC Mode for True Hi-Fi Sound\u003c\/h2\u003e\n\u003cp\u003eFor the first time in the A\u0026amp;norma series, the SR35 deploys the CS43198 DAC from Cirrus Logic, in Quad DAC configuration. A very well-received DAC praised for its outstanding spatial sense and resolution. In addition to this, a new design of audio circuit has been implemented, incorporating Astell\u0026amp;kern’s unique technologies along with the Quad DAC and our patented TERATON ALPHA technology for outstanding advancement in the dynamics, sense of space, resolution, and level of separation. Furthermore, our latest technologically advanced amplification circuitry, which was only available in our flagship products has now been incorporated to the SR35, boasting a dramatically improved and industry leading SNR of 130dB. A Dual\/Quad DAC Switching mode is offered enabling users to adjust and improve power management efficiency, further improving the long continuous playtime, a core feature of the A\u0026amp;norma series.\u003c\/p\u003e\n\u003cp\u003eThe SR35 supports Native DSD256 and PCM playback of up to 32 bit\/384 kHz allowing you to enjoy true Hi-Fi sound without any restriction and free from distortion.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 DAC Configuration\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-3.jpg?v=1691784422\"\u003e\u003c\/p\u003e\n\u003ch2\u003eThe Essence of Astell\u0026amp;Kern Technology – Equipped with New generation AMP\u003c\/h2\u003e\n\u003cp\u003eAstell\u0026amp;Kern's brand philosophy - refusing to overlook even the smallest differences in sound quality - has been recognized by numerous media and audiophiles through our multiple releases of premium audio players that combine innovative circuits and amplifier technologies.\u003c\/p\u003e\n\u003cp\u003eThe SR35 is equipped with New generation AMP technology that was applied to the A\u0026amp;ultima line so that A\u0026amp;norma users can also enjoy the highest level of sound provided by the A\u0026amp;ultima line with this exclusive inhouse technology.\u003c\/p\u003e\n\u003cp\u003eThe new generation AMP technology applied to the SR35 is Astell\u0026amp;Kern's unique amplifier design that effectively improves noise reduction at high power output. With this new technology, the SR35 contains the same amplifier design as the latest A\u0026amp;ultima and A\u0026amp;futura products, completely transforming into an amplifier design worthy of premium audio, from OPAMP selection to component placement and circuit design.\u003c\/p\u003e\n\u003cp\u003eMoreover, in order to reliably operate different impedance output sources, the current handling capability at the output end is increased to maximize the performance of various devices with one SR35.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg class=\"center\" style=\"float: none;\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 Amp Configuration\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230403105902_9e9d464f-5184-4ef6-b285-f5fb0f894036.png?v=1691784926\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003e2-Step Gain Mode for the Perfect Hi-Fi Experience\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor seamless use of sensitive IEMs and hard to drive headphones, a device must provide suitable output, respective of the connected device’s specification.\u003c\/p\u003e\n\u003cp\u003eThe SR35 supports a 2-step Gain Level mode to create the perfect match for a wide range of headphones and IEMs, maintaining optimal sound output. The two-step gain setting with \"Normal Gain\" and \"High Gain\" modes can generate a high current output to create a powerful sound and excellent driver control. With up to 6 Vrms from the balanced connections, driving high-impedance headphones has never been easier.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 Lifestyle Photograph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-4.jpg?v=1691784512\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSR25 MKII and SR35 Comparison (Output Level, S\/N)\u003c\/h2\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eSR25 MKII\u003c\/td\u003e\n\u003ctd\u003eSR35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level\u003c\/td\u003e\n\u003ctd\u003eUnbal. 2.0Vrms \/ Bal. 4.0Vrms\u003c\/td\u003e\n\u003ctd\u003e[Normal] Unbal. 2.1Vrms \/ Bal. 4.0Vrms \u003cbr\u003e[High] 3.1Vrms \/ Bal. 6.0Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\/N\u003c\/td\u003e\n\u003ctd\u003e122dB @ 1kHz, Unbalanced \u003cbr\u003e124dB @ 1kHz, Balanced\u003c\/td\u003e\n\u003ctd\u003e127dB @ 1kHz, Unbalanced \u003cbr\u003e130dB @ 1kHz, Balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eTERATON ALPHA, \u003cbr\u003eThe Essence of A\u0026amp;K Audio Technologies\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eTERATON ALPHA, AK’s ultimate sound solution, makes it possible to realize high output and Quad DAC for a wide variety of earphones and headphones whilst maintaining long playtime with minimal noise. We advanced the A\u0026amp;norma series one step further with audio technologies from other Astell\u0026amp;Kern products that were praised by countless audio lovers and media reviews as well as TERATON ALPHA gained through years of technical research and development.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA, engineered through endless research, is Astell\u0026amp;Kern's unique technology that has been designed to produce audio playback that is as close to the original sound through effective power noise removal, efficient power management and unwavering amplification, and a fully converted audio output interface.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAll-Day Music – Amazing Playtime\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe SR35 provides premium-class audio specifications and genuine Hi-Fi sound by Astell\u0026amp;Kern. Along with the core value of A\u0026amp;norma series that seeks to provide unlimited Hi-Fi audio anywhere and at any time, we offer you the best portability in the digital audio player market, with a class leading long playtime and powerful output.\u003c\/p\u003e\n\u003cp\u003eThe compact size of the SR35 fits easily in your pocket and weighing in at only 184g is light enough to carry without any inconvenience. With a maximum of 20-hour continuous playtime, you can enjoy music without a recharge all day long. The SR35 is the perfect companion that you can use for long-haul flights as well as full days at work and vacations, guaranteeing you Hi-Fi sound anywhere, anytime.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 All Day Playtime\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-6.jpg?v=1691784558\"\u003e\u003c\/p\u003e\n\u003ch2\u003eNew Experience, New User Interface\u003c\/h2\u003e\n\u003cp\u003eThe SR35 comes with a redesigned Crimson-themed UI\/UX transforming into a \"true music player\" for users to deeply connect with their music listening experience.\u003c\/p\u003e\n\u003cp\u003eThe new UI\/UX is designed so that users can quickly browse music categories and re-discover songs within their music library. We also added an easy album art search function so that users can re-discover the joy of viewing and interacting with music album art whilst listening to their music.\u003c\/p\u003e\n\u003cp\u003eThe crimson theme focuses on edge, simplicity, and dark mode keywords. The color theme of black with red highlights lowers visual fatigue and offers intuitive user experiences, and many other improvements were made to the device’s user-friendliness of app service, artist view, album sorting, and the album art search function.\u003c\/p\u003e\n\u003cp\u003eImmerse yourself in music with the new UI\/UX.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 New User Interface\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-5.jpg?v=1691784576\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSound Design by DAC Filter\u003c\/h2\u003e\n\u003cp\u003eWith the SR35, you can pick and choose from four DAC filters to create your own sound style. Design your own sound with 4 different DAC filters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Latency Fast: Post echo enhances bass sound\u003c\/li\u003e\n\u003cli\u003eLow Latency Slow: Minimal echo reproduces original sound\u003c\/li\u003e\n\u003cli\u003ePhase Compensated Fast: Pre and post echoes make powerful sound\u003c\/li\u003e\n\u003cli\u003ePhase Compensated Slow: Minimal echo reproduces original sound\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRoon Ready and MQA Support for Hi-Fi Fans\u003c\/h2\u003e\n\u003cp\u003eRoon Ready is a service for Hi-Fi fans who wish to play the best Hi-Fi sound without compromise on various devices through network systems. Roon Ready, available on some premium audio products, now comes with the A\u0026amp;norma series for the first time, offering you a SR35-controlled network audio system to deliver the best sound quality.\u003c\/p\u003e\n\u003cp\u003eAdditionally, it supports the full decoder of MQA 8X so that SR35 can play and stream Hi-Fi MQA sound natively, true to the concept of A\u0026amp;norma that plays original sounds anywhere and at any time.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 HiFi Support\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-10.png?v=1691784752\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003ch3\u003eDual-band Wi-Fi (2.4\/5 GHz)\u003c\/h3\u003e\n\u003cp\u003eSR35 offers Dual Band Wi-Fi (2.4\/5 Ghz), providing enhanced network performance to enjoy Hi-Fi music through various streaming and Roon Ready services.\u003c\/p\u003e\n\u003ch3\u003eSupports Native DSD256, 32bit\/384kHz\u003c\/h3\u003e\n\u003cp\u003eSR35 supports Native DSD256 and up to 32bit\/384kHz with Astell\u0026amp;Kern’s excellent audio technology, allowing you to fully enjoy your favorite music.\u003c\/p\u003e\n\u003ch3\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h3\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SR35. * ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch3\u003eAK File Drop to enjoy wireless transfers\u003c\/h3\u003e\n\u003cp\u003eThe new AK File Drop function in the SR35 makes file transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch3\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h3\u003e\n\u003cp\u003eBT Sink function connects the SR35 to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the SR35 using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eThe SR35 visualizes the powerful portability of the A\u0026amp;norma series into its design.\u003c\/p\u003e\n\u003cp\u003eThe intense dynamics of the A\u0026amp;norma series are symbolized as a mighty warrior's sword and shield on the device. The single bold line on the side and the surface that gets bigger at the bottom represent a sword of battle, and the delicately refined volume control and its concave surface symbolize a shield. These symbolic shapes found in the SR35’s design represent a warrior’s powerful force and characteristic.\u003c\/p\u003e\n\u003cp\u003eAn \"A\" pattern on the rear glass creates a sophisticated rectangular pattern. This unique pattern on the SR35 symbolizes the first use of Quad DAC architecture in the A\u0026amp;norma series.\u003c\/p\u003e\n\u003cp\u003eWe kept our iconic angular display which works perfectly in the hand, further redefining the characteristic of the series.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 Design Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-2.jpg?v=1691784604\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eSR35\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e \n\u003cp\u003eCharcoal Gray\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e \n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e \n\u003cp\u003e3.6inch HD 720 x 1280 touch screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e \n\u003cp\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample rate\u003c\/strong\u003e \n\u003cp\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \u003cbr\u003eDSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level\u003c\/strong\u003e \n\u003cp\u003e[Normal] Unbalanced 2.1Vrms │ Balanced 4Vrms (Condition No Load) \u003cbr\u003e[High] Unbalanced 3.1Vrms │ Balanced 6Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e \n\u003cp\u003eQuad-core\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e \n\u003cp\u003eCiruss Logic CS43198 x4 (Quad-DAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e \n\u003cp\u003eSupport up to 32bit \/ 384kHz Bit to Bit playback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e \n\u003cp\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out (3.5mm), Balanced Out (2.5mm, only 4-pole supported | 4.4m, only 5-pole supported)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e \n\u003cp\u003e802.11 a\/b\/g\/n\/ac (2.4\u0026amp;5GHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e \n\u003cp\u003eV5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e \n\u003cp\u003e2.51” (64mm)[W] x 4.26” (108.3mm)[H] x 0.63” (16.1mm)[D]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e \n\u003cp\u003eabout 6.49oz (184g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e \n\u003cp\u003eFirmware upgrade supported (OTA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e \n\u003cp\u003e0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAudio\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \n\u003cp\u003e±0.012dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.011dB (Condition : 20Hz~20kHz) Balanced \u003cbr\u003e±0.125dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.126dB (Condition : 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e \n\u003cp\u003e127dB @ 1kHz, Unbalanced │ 130dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e \n\u003cp\u003e-133dB @ 1kHz, Unbalanced │ -145dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e \n\u003cp\u003e0.0005% @ 1kHz, Unbalanced │ 0.0006% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e \n\u003cp\u003e0.0002% 800Hz 10kHz (4:1) Unbalanced │ 0.0002% 800Hz 10kHz (4:1) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out 3.5mm (1.1ohm) │ Balanced Out 2.5mm, 4.4mm (2.7ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClock Source\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e \n\u003cp\u003e25pS (Typ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock Jitter\u003c\/strong\u003e \n\u003cp\u003e70ps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStorage Capacity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Memory\u003c\/strong\u003e \n\u003cp\u003e64GB [NAND]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Memory\u003c\/strong\u003e \n\u003cp\u003eMicro SD x1 (Max. 1TB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e \n\u003cp\u003e3,150mAh 3.7V Li-Polymer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e \n\u003cp\u003eabout 2.5hours (5V 2A General Charging)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e \n\u003cp\u003eabout 20hours (Standard : FLAC, 16bit, 44.1kHz, Normal Gain, Unbalanced, Vol.50, LCD Off, Dual DAC Mode)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSupported OS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported OS\u003c\/strong\u003e \n\u003cp\u003eWindows 10, 11(32\/64bit) MAC OS X 10.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEtc.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudio was NOT muted during the measurement.\u003c\/li\u003e\n\u003cli\u003eThe image\/specification may be changed without notice to improve product performance and quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":44566441033961,"sku":"A\u0026norma SR35 Gray","price":729.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SR35_008copy.jpg?v=1762464367"},{"product_id":"astell-kern-a-norma-sr35-leather-case","title":"Astell \u0026 Kern PU Leather Case for A\u0026norma SR35","description":"\u003ch2\u003eExceptional SR35 Case\u003c\/h2\u003e\n\u003cp\u003eThe material selected for this important role was created by Synt3, a world-class manufacturer of polyurethane located in Milan, Italy. The diverse patterns and colors seen in the new brands developed by Synt3 are consistently regarded as new standards in the industry. Synt3's superb sense of design is always at the forefront of the industry.\u003c\/p\u003e\n\u003ch3\u003eSynt3 from milan\u003c\/h3\u003e\n\u003cp\u003eThe soft and durable LASKINA® polyurethane fabric made by Synt3 in Italy offers protection against external shocks and scratches while providing excellent grip and a stylish look.\u003c\/p\u003e\n\u003cp\u003eThe MEMORY material on the case is a polyurethane fabric that mimics the texture of classic, high-end leather, for a luxurious and vibrant look, including natural leather-style creases and shine.\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eSR35 Case\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e \n\u003cp\u003eMaterial Synt3 LASKINA® polyurethane fabric (Made in Italy)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColors\u003c\/strong\u003e \n\u003cp\u003e[PARIGINA] Black ┃ [PARIGINA] Brown ┃ [YUTA] Gray\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"black","offer_id":44566541762793,"sku":"SR35 Case Black","price":108.0,"currency_code":"USD","in_stock":false},{"title":"gray","offer_id":44566541795561,"sku":"SR35 Case Gray","price":108.0,"currency_code":"USD","in_stock":false},{"title":"brown","offer_id":44566541828329,"sku":"SR35 Case Brown","price":108.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/SR35_Case_004copy.jpg?v=1762464369"},{"product_id":"astell-kern-x-vision-ears-aura-universal-fit-in-ear-monitors","title":"Astell \u0026 Kern x Vision Ears AURA Limited Edition Universal Fit In-Ear Monitors - Discontinued","description":"\u003ch2\u003eVISION EARS x Astell\u0026amp;Kern\u003c\/h2\u003e\n\u003cp\u003eAstell\u0026amp;Kern strives to provide the best sounds, not overlooking even the most minute differences in sound with ceaseless technological innovation and craftsmanship.\u003c\/p\u003e\n\u003cp\u003eBased on this philosophy, Astell\u0026amp;Kern and Vision Ears joined forces to create AURA, leading to the best audio player and IEM.\u003c\/p\u003e\n\u003cp\u003eVision Ears is a premium German IEM brand established in 2013. It provides the highest-quality IEMs created based on its technological prowess and meticulous craftsmanship by hand, earning it recognition as a leader in the premium IEM market. These two companies at the forefront of the audio player and IEM market joined forces to develop a new IEM based on a profound respect for each other's values in terms of sound and their outstanding technological competences.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern and Vision Ears share the philosophy of craftsmanship in sound, and with this shared vision, we were able create an unrivaled IEM with outstanding sound quality, integrity, and design that all audio lovers dream of.\u003c\/p\u003e\n\u003cp\u003eIntroducing AURA by Vision Ears and Astell\u0026amp;Kern, completed with uncompromising design and unrivaled technology. Don't just listen to music; immerse in it.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/01_Vision_Ears_Astell_Kern_Visualcopy.jpg?v=1683901577\" alt=\"Lifestyle photo Aura\"\u003e\u003c\/p\u003e\n\u003ch3\u003ePrecision Meets Emotion, AURA\u003c\/h3\u003e\n\u003cp\u003eAURA uses the best-quality drivers, materials, and meticulous design, creating unparalleled sound. A total of 11 drivers enable overwhelming precision and offer perfect response and balance through the five-way crossover, while the delicate shell and mesh structure made from high-quality materials ensures that all components of AURA combine to create rich and natural sound.\u003c\/p\u003e\n\u003cp\u003eAURA is design and performance in perfect harmony. Lose yourself in an enveloping sonic performance, where pace and precision meet a rich, natural sound. Expertly crafted in Germany, AURA blends innovation, sophisticated styling and cutting-edge technology to create a listening experience like no other. Enjoy exquisite materials and peerless audio engineering – but most of all, enjoy your music.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\"I wanted to create a warm and enveloping IEM, with an analog but precise sound, with a very involving and faithful midrange, to which is added the contribution of a soft and delicate but at the same time extended high range.\" - Oliver Marino, Sound Master at Vision Ears\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\"It is technologically extremely difficult for 11 driver units to clearly express each frequency range while maintaining a perfect balance. AURA delicately tunes the five frequency ranges divided according to their unit characteristics based on the five-way crossover method to achieve a perfect balance. In particular, with its ultra-high frequencies and balanced sound, it can even perfectly recreate hi-fi audio like Astell\u0026amp;Kern's SP3000.\" - Charlie, Sound Master at Astell\u0026amp;Kern\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eVE Brand introduction\u003c\/h3\u003e\n\u003cp\u003eSince 2013 Vision Ears is set out to develop the world’s most perfect In-Ear systems. All our models are thoroughly crafted in Cologne, Germany. Blending outstanding performance with breathtaking design was always the driving force of Vision Ears.\u003c\/p\u003e\n\u003cp\u003eThe AURA is a perfect statement of this philosophy. The sophisticated yet elegant design was meticulously machined with highest level of precision and great attention to detail. A truly superior sound experience with luxury-like design.\u003c\/p\u003e\n\u003ch2\u003eInternal Structure\u003c\/h2\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Diagram of internal structure\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230508172317_d4008bf7-63b1-4c9a-bc1e-f603dd3069b6copy.jpg?v=1683901530\"\u003e\u003c\/p\u003e\n\u003ch3\u003eCustom Designed 11-Drivers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e2 x 8 mm Al-Mg Low Dynamic Drivers - [Sub-low \u0026amp; Low]\u003cbr\u003e\u003c\/strong\u003eThe 8-mm isobaric dynamic drivers offer powerful output and precision sound. Two 8-mm dynamic drivers handle the low and mid-low frequency ranges, offering tighter, more precise, and better tuned bass thanks to their exquisite design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEight Drivers: Two Sets of Four Balanced Armature Drivers - [Mid-low] [Mid] [Mid-high]\u003cbr\u003e\u003c\/strong\u003eIt comes with specially selected four mid-low balanced armature (BA) drivers and four mid and mid-high BA drivers with two pairs of dual BA drivers that combine to handle the mid and mid-high frequency range. The carefully selected eight BA drivers work together to create precision mid-range sound and produce warm and emotional male and female vocals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1 Balanced Armature Super Tweeter - [High \u0026amp; Super High]\u003cbr\u003e\u003c\/strong\u003eBalanced armature (BA) drivers designed with to maximize a sense of space and openness are utilized to create soft, delicate, yet expanded ultra-high-frequency sound that resonate richly in your ears.\u003c\/p\u003e\n\u003ch3\u003eUltra-Precision Technology\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e5-Way Crossover \u003cbr\u003e\u003c\/strong\u003eThe AURA technical configuration  is designed with a 1st grade crossover, meticulously manufactured in Germany. All components being well chosen for lowest tolerances possible on the market. AURA is using a 5-way crossover with a particular circuit solution that avoids an excessive load from the tweeter towards the source (amplifier), thus reducing distortion and extending the reproduction of high frequencies. Internal wiring is made with premium silver plated copper alloy wire for highest performance. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIsobaric configuration with two dynamic drivers\u003cbr\u003e\u003c\/strong\u003eTwo 8mm dynamic drivers are placed facing each other in an isobaric configuration. As two drivers are placed facing each other and the sound is output from exactly between them, the compositional interference is maximized, effectively doubling the output volume. This, in turn, removes any phasing issues that may raise from the length difference between the sound tubes, reducing THD. This design makes the low-frequency sound created by the dynamic drivers more accurate, solid, and vibrant.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChamber\u003cbr\u003e\u003c\/strong\u003eThe \"special chamber\" have a precise internal volume that has been calculated to get the best compromise between  driver speedness and musicality. The two DD Drivers are strictly matched to reduce any possible phase  incoherence which could lead to inaccurate transient reproduction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMesh\u003cbr\u003e\u003c\/strong\u003eAURA's open-structure design features a vacuum metal mesh that gleams elegantly on top. This special aluminum acoustic mesh circulates air from the dynamic driver to control the powerful resonating force, protecting internal components from external influences.\u003c\/p\u003e\n\u003ch3\u003eMaterial Innovation and Craftsmanship\u003c\/h3\u003e\n\u003cp\u003eThe front plate and shell of AURA is made from Swiss 6061-T6 aluminum. Aluminum 6061 is an alloy that is lightweight, sturdy, and highly resistant to corrosion. On top of that, we added T6 heat treatment to enhance the strength of the aluminum, making it not only feather-light and sturdy but also allowing it to be given a beautiful finish. Production processes of all parts are done through the highest-quality CNC milling process, one part at a time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Micro Groove Design Faceplate\u003cbr\u003e\u003c\/strong\u003eThe Micro Groove Design is applied with surface treatment for milling process. Grooves are dug along the grain of the raw material to create a unique design, before the product is moved to a precision-tailored jig for laser engraving. This process is not just a standard laser process but a special laser process that eliminates parts of the raw material to engrave letters 0.5 mm deep while adding depth to the engravings. Next, the component is treated with oil to prevent oxidation, packaged, anodized, and given a custom dark bronze color.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision-Milled Aluminum Shell\u003cbr\u003e\u003c\/strong\u003eUnlike the faceplate, the shell is oil-sealed and then handed to the polishing master. The faceplate is engraved with an esthetic design element, and the surfaces of shells are polished through a special sand-blast refinement process. Otherwise, marks will be left from the tools used, so each shell is polished like mirror by hand. Then, after sand-blasting and anodizing, the shell is ready to be given Vision Ears' custom warm gray color. The AURA shell is the result of thousands of hours of work, including cutting diamonds out of rough rocks with carefully selected materials, precision processes, and specialized tools.\u003c\/p\u003e\n\u003ch2\u003eLeather Accessories Handcrafted from Smooth Calfskin Leather PABLO\u003c\/h2\u003e\n\u003cp\u003eThe elegance of leather products is determined by the following factors. Masterful leather craftsmanship, skilled tanning, high-quality hides, farms that prioritize animal welfare, and excellent grasslands. AURA's leather accessories are made of leathers from the best tanneries in Europe. Leather accessories for AURA are made from the highest-quality calfskins and are tanned by skilled craftsmen to imbue them with unique colors and gloss and guarantee excellent durability, along with a soft yet fine grainy texture. These leather accessories transcend time with their elegance and earn the envy of other famous brands.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLeather Carrying Case\u003c\/li\u003e\n\u003cli\u003eLeather Earphone Pocket\u003c\/li\u003e\n\u003cli\u003eLeather Cable Clip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHandcrafted IEM Made in the Germany\u003c\/h2\u003e\n\u003cp\u003eHANDCRAFTED IN COLOGNE- Each IEM is meticulously handcrafted by professional craftsman with extensive experience and is produced at our state of the art facilities in COLOGNE to offer you the highest quality through strictly managed processes.\u003c\/p\u003e\n\u003ch2\u003eEffect Audio Custom Cable\u003c\/h2\u003e\n\u003cp\u003eThe cables that come with AURA are custom-made cables from Effect Audio that are specifically designed to deliver the overwhelming sounds of AURA. The custom cables contain four wire components: two UP-OCC pure copper litz wires and two pure silver litz and pure copper litz hybrid wires to offer you the best sound performance. On top of that, Effect Audio's EPO (Ergonomic Performance Optimization) technology is applied to offer outstanding flexibility for a more comfortable fit without affecting audio quality.\u003c\/p\u003e\n\u003ch3\u003eCable Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary Dual Geometric Design\u003c\/li\u003e\n\u003cli\u003e\u003cul\u003e\n\u003cli\u003eMulti-Sized Stranding - Selected Premium UP-OCC Pure Copper Litz\u003c\/li\u003e\n\u003cli\u003eSeptuplet Multi-sized Core Bundle - Selected Premium UP-OCC Pure Silver Litz and Pure Copper Litz Hybrid\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/li\u003e\n\u003cli\u003eEPO 24 AWG 4 Wires\u003c\/li\u003e\n\u003cli\u003eEA Ultra Flexi™ Insulation\u003c\/li\u003e\n\u003cli\u003eRhodium Plated Brass Straight Type Plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAZLA – SE1500 Eartips\u003c\/h2\u003e\n\u003cp\u003e100% medical-grade silicone helps the SE1500 to fit comfortably on your head and minimizes the possibility of skin irritation. The straight internal structure is designed in a perfect line that guarantees that sound moves in a linear fashion, enhancing sound insulation performance and increasing the sense of space. A total of six eartips are included to offer you a comfortable fit and improved sound.\u003c\/p\u003e\n\u003ch2\u003eAccessories\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEffect Audio Custom Cable (4.4mm, 3.5mm)\u003c\/li\u003e\n\u003cli\u003eLeather Carry Case\u003c\/li\u003e\n\u003cli\u003eLeather Earphone Pocket\u003c\/li\u003e\n\u003cli\u003eLeather Cable Clip\u003c\/li\u003e\n\u003cli\u003eSuede Cleaner\u003c\/li\u003e\n\u003cli\u003e6 pairs of AZLA SE1500 Tips (SS \/ S \/ SM \/ M \/ ML \/ L)\u003c\/li\u003e\n\u003cli\u003e4 pairs of Mesh Filters\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide\u003c\/li\u003e\n\u003cli\u003eWarranty Card\u003c\/li\u003e\n\u003cli\u003eSerial Number Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eAURA is a masterpiece of design and engineering prowess, offering bold yet unique esthetics that represent the brand's philosophy of precision and innovation.\u003c\/p\u003e\n\u003cp\u003eThe front plate's CNC processing line is not just a visual design element but a functional part that optimizes the internal components to provide quality sound.\u003c\/p\u003e\n\u003cp\u003eThe matte gun metal-colored shell gives agile and modern vibes, and the warm bronze color on the faceplate with a slight gloss adds elegance and sophistication.\u003c\/p\u003e\n\u003cp\u003eThe curved grille on the front plate is a delicate yet striking detail.\u003c\/p\u003e\n\u003cp\u003eThe high-quality design featuring advanced technologies and esthetics represents the uncompromising spirit and design of Astell\u0026amp;Kern and Vision Ears, offering you a true piece of art that provides unrivaled experiences beyond the functionalities of IEMs as a music player.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AURAlife_003copy.jpg?v=1683901969\" alt=\"Aura paired with SP3000 Copper\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e\n\u003cp\u003eAURA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver\u003c\/strong\u003e\n\u003cp\u003e8mm Al-Mg Low Dynamic Drivers in a Isobaric configuration x2 \u003cbr\u003eBalanced Armature Drivers for the low mids x 4 \u003cbr\u003eBalanced Armature Drivers for the mid\u0026amp;mid highs x 4 \u003cbr\u003eBalanced Armature Driver for the super tweeter x 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable\u003c\/strong\u003e\n\u003cp\u003e0.78mm 2-pin \u003cbr\u003eEffect Audio Custom Selected Premium UP-OCC Pure Silver Litz and Pure Copper Litz Hybrid (4.4mm, 3.5mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e\n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response \u003c\/strong\u003e\n\u003cp\u003e10 Hz - 24 kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPL\u003c\/strong\u003e\n\u003cp\u003e115dB @ 1kHz, 1mW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance \u003c\/strong\u003e\n\u003cp\u003e10.5Ω @ 1kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion\u003c\/strong\u003e\n\u003cp\u003e0.5% @ 1kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eNote: Audio was NOT muted during the measurement. - The image\/specification may be changed without notice to improve product performance and quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":44747633328361,"sku":"Aura LTD","price":4200.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/aura_001copy.jpg?v=1762464745"},{"product_id":"astell-kern-a-futura-se300-music-player","title":"Astell \u0026 Kern A\u0026futura SE300 Music Player with R-2R DAC - Discontinued","description":"\u003ch2\u003eThe Future of Analog Sound, SE300\u003c\/h2\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 The Future of Analog Sound\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/se300-2.jpg?v=1692045757\"\u003e\u003c\/p\u003e\n\u003cp\u003eA\u0026amp;futura from Astell\u0026amp;Kern is a product line that represents Astell\u0026amp;Kern’s ceaseless efforts for innovation. SE300, the fourth model in the A\u0026amp;futura range is a premium digital audio player that inherits this identity and expands the scope of sound with an entirely new implemented technology.\u003c\/p\u003e\n\u003cp\u003eA\u0026amp;futura SE300 is equipped with an ultra-refined R-2R DAC, Class A\/AB dual amps born with our proprietary TERATON ALPHA technology, and for the first time a self-developed FPGA optimized technology. With these unrivaled components, it offers the true sound philosophy and technology of Astell\u0026amp;Kern.\u003c\/p\u003e\n\u003cp\u003eImmerse yourself into the true analog sound that the SE300 produces with Class-A AMP and R-2R DAC technologies, for the first time in an Astell\u0026amp;Kern player.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully Discrete 24 bit R-2R DAC\u003c\/li\u003e\n\u003cli\u003eEquipped with 96 ultra-precision 0.01% \u0026amp; TCR10 resistors\u003c\/li\u003e\n\u003cli\u003eNew Dual AMP (Class A\/AB) mode\u003c\/li\u003e\n\u003cli\u003eOption for OS \/ NOS modes\u003c\/li\u003e\n\u003cli\u003eImplemented self-developed and optimized FPGA technology\u003c\/li\u003e\n\u003cli\u003eNew Crimson theme UI\/UX\u003c\/li\u003e\n\u003cli\u003eSupports Bluetooth 5.0 and wireless Hi-Fi aptX™ HD, LDAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/se300-1.jpg?v=1692046031\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFully Discrete 24bit R-2R DAC\u003c\/h2\u003e\n\u003cp\u003eTo ensure the A\u0026amp;futura SE300 audio player better reproduces analog sounds, we set out to combine the DAC and AMP sections for the first time during the initial design phase.\u003c\/p\u003e\n\u003cp\u003eThe SE300 comes supplied with an R-2R DAC, instead of a Delta-Sigma DAC that is most commonly used in other audio players. R-2R DAC, also known as Ladder DAC, as it arranges resistors in a ladder form, offers natural yet dynamic Hi-Fi sounds, but it is extremely technical and difficult to execute as it requires complex refined resistor units and hard to manage current controls. However, despite these technical challenges, after several years for development and a lot of trial and error we have managed to overcome this and create a new analog sound. In the process, we have meticulously selected each and every one of the 96 ultra-precision resistors and finalized our R-2R DAC technology.\u003c\/p\u003e\n\u003cp\u003eSE300 takes us one step closer to realizing analog sound from a digital source and is the result of a long journey taken by Astell\u0026amp;Kern with uncompromising craftsmanship to find the ultimate sound solution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRealization of 24-bit Decoding with R-2R DAC\u003c\/strong\u003e \u003cbr\u003eThe R-2R DAC within the SE300 arranges 48 pairs (23xR and 25x2R) of 96 ultra-precision resistors to create analog signals, in turn realizing true Hi-Fi 24-bit decoding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-precision resistor Design, the Key to Hi-Fi Sound\u003c\/strong\u003e \u003cbr\u003eIt is key to total the accurate current value with resistors that has the smallest error ranges in order to create Hi-Fi sound with an R-2R DAC. To realize this, Astell\u0026amp;Kern inspected each specifically selected ultra-precision resistor of 0.01% error range to complete the design of SE300.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-precision TCR10 Specifications\u003c\/strong\u003e \u003cbr\u003eTo create Hi-Fi sound without distortions within such an extreme precision design, we analyzed and preconceived any potential impacts that may be caused by changes in temperature. The SE300 comes with special *TCR10 specifications to minimize the changes in the 0.01% resistor error range.\u003c\/p\u003e\n\u003cp\u003e* TCR10: 10 ppm\/℃ Low Temperature Coefficient of resistor\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 R2R DAC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141902_334e96d3-235d-4c4e-8114-ba9ebfd66d59.png?v=1692045791\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSupporting Class A\/AB Dual AMP Mode\u003c\/h2\u003e\n\u003cp\u003eThe SE300 comes with a Dual AMP mode. Class A amplification that creates low distortions and natural sounds and a Class AB amplification that plays dynamic sounds with high efficiency so users can pick and choose from the two amps according to their listening preferences and genre of music that they are playing.\u003c\/p\u003e\n\u003cp\u003eExperience the true sounds that only Astell\u0026amp;Kern can deliver with the SE300 that comes with an R-2R DAC and Class A\/AB Dual AMPs born from Astell\u0026amp;Kern’s unique proprietary designs that reduces power consumption whilst enhancing output and removing noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClass A AMP mode\u003cbr\u003e\u003c\/strong\u003eClass A AMP is an analog amp that offers the best linear output, amplifying signals without distortion or loss of signal and providing soft, warm, and natural sounds. The refined analog signal created directly by the R-2R DAC, reproduces a sound closest to the original analog audio through the organic and powerful Class A AMP.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClass AB AMP Mode\u003cbr\u003e\u003c\/strong\u003eClass AB AMP is an analog amp that offers a powerful output with the added benefit of high efficiency. This presents dynamic and crisp sounds with less harmonic distortion.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Amp Circuit\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141921_60885bc0-c1e7-4f22-8358-18420025d769.png?v=1692045821\"\u003e\u003c\/p\u003e\n\u003ch2\u003e2-Step Gain Mode for the Perfect Hi-Fi Experience\u003c\/h2\u003e\n\u003cp\u003eFor seamless use of sensitive IEMs and hard to drive headphones, a device must provide suitable output, respective of the connected device’s specification.\u003c\/p\u003e\n\u003cp\u003eThe SE300 supports a 2-step Gain Level mode to create the prefect match for a wide range of headphones and IEMs, maintaining an optimal sound output. The two-step gain setting with \"Normal\" and \"High Gain\" modes can generate a high current output to create a powerful sound and excellent driver control.\u003c\/p\u003e\n\u003cp\u003eWith up to 6 Vrms from the balanced connections, driving high-impedance headphones has never been easier.\u003c\/p\u003e\n\u003cp\u003eOutput Level\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNormal Gain: Unbalanced 2Vrms, Balanced 4Vrms\u003c\/li\u003e\n\u003cli\u003eHigh Gain: Unbalanced 3Vrms, Balanced 6Vrms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e* Based on condition no load, there may be differences depending on the measurement method.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Two Step Mode\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141907_fd87209b-8afe-454f-9372-a33bc96050f5.png?v=1692045842\"\u003e\u003c\/p\u003e\n\u003ch2\u003eTERATON ALPHA, The Essence of A\u0026amp;K Audio Technologies\u003c\/h2\u003e\n\u003cp\u003eIt would not have been possible to combine the exquisitely designed R-2R DAC with ultra-precision resistors and Class A AMP, which was considered impossible to miniaturize, without the innovative audio technology of TERATON ALPHA. SE300 is an innovative audio player that is applied with current and temperature control of TERATON ALPHA technology and an optimized FPGA design.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA, engineered through endless research, is Astell\u0026amp;Kern's unique technology that has been designed to produce audio playback that is as close to the original sound through effective power noise removal, efficient power management and unwavering amplification, and a fully converted audio output interface.\u003c\/p\u003e\n\u003cp\u003eCircuit structures of R2R DAC and Dual A\/AB AMP that are applied for the first time in the SE300 is completed with the sound solution of TERATON ALPHA, creating the purest form of sounds and music.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSupporting Optimized FPGA OS \/ NOS Modes\u003c\/h2\u003e\n\u003cp\u003eThe SE300 comes with Astell\u0026amp;Kern’s exclusively developed FPGA and provides optimized OS \/ NOS modes.\u003c\/p\u003e\n\u003cp\u003eThe SE300 uses an FPGA (Field Programmable Gate Array) that we self developed for optimized design instead of using common off the shelf commercial semiconductor chipsets, relaying digital signals to the R-2R DAC through its algorithm. Astell\u0026amp;Kern’s FPGA, developed specifically for the SE300, supports the most ideal OS (Over Sampling) \/ NOS (Non-Over Sampling).\u003c\/p\u003e\n\u003cp\u003eEnjoy the sound styles reproduced by NOS and OS modes, meticulously designed for the SE300's hardware and programs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOS (Non-Over Sampling) Mode\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn NOS mode, the player reproduces the pure original sound without any digital processing, allowing users to enjoy the true unprocessed sounds decoded by the R-2R DAC itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOS (Over Sampling) Mode\u003cbr\u003e\u003c\/strong\u003eOS mode offers partial digital processing that expands the bandwidth of the original signal to offer impressive details, with an expansive sense of space creating crisp and clear sounds.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003e\u003cstrong\u003eOS Option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eMaximum Conversion Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003ePCM\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eOS Mode\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eSupports up to 8x conversion \u003cbr\u003e44.1kHz range PCM will be converted to 352.8kHz for playback \u003cbr\u003e48kHz range PCM will be converted to 384kHz for playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003ePCM\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eNOS Mode\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eBYPASS (ex. 44.1kHz =\u0026gt; 44.1kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003eDSD\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eOS\/NOS Mode\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eSupports up to DSD 256 for playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 NOS modes\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141911_b9dea680-6f16-4179-acde-85c04f8fb6c0.png?v=1692045886\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eNew Experience, New User Interface\u003c\/h2\u003e\n\u003cp\u003eThe SE300 comes with a redesigned Crimson-themed UI\/UX transforming into a \"true music player\" for users to deeply connect with their music listening experience.\u003c\/p\u003e\n\u003cp\u003eThe new UI\/UX is designed so that users can quickly browse music categories and re-discover songs within their music library. We also added an easy album art search function so that users can re-discover the joy of viewing and interacting with music album art whilst listening to their music.\u003c\/p\u003e\n\u003cp\u003eThe crimson theme focuses on edge, simplicity, and dark mode keywords. The color theme of black with red highlights lowers visual fatigue and offers intuitive user experiences, and many other improvements were made to the device’s user-friendliness of app service, artist view, album sorting, and the album art search function. Immerse yourself in music with the new UI\/UX.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 User Interface\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141909_1e92c620-10fc-4dba-97f6-5fac8de72a12.png?v=1692045908\"\u003e\u003c\/p\u003e\n\u003ch2\u003eReal-Time Information Confirmed by Light\u003c\/h2\u003e\n\u003cp\u003eBehind the exquisite A\u0026amp;futura SE300 volume wheel is an LED light that is reminiscent of rising waves. With the LED light that radiates from the inside of the SE300, users can check the Bit Depth information of the currently playing music or the current AMP mode.\u003c\/p\u003e\n\u003cp\u003e* The LED can be turned on or off according to the user’s preference.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRED 16bit\u003c\/li\u003e\n\u003cli\u003eGREEN 24bit\u003c\/li\u003e\n\u003cli\u003eBLUE 32bit\u003c\/li\u003e\n\u003cli\u003eVIOLET DSD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 LEDs\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230403105902_f8fc3878-0013-40f7-95b3-959a371989bd.png2.png?v=1691786339\"\u003e\u003c\/p\u003e\n\u003ch2\u003eOther features\u003c\/h2\u003e\n\u003ch4\u003eAdoption of 5.46 inch Full HD Display\u003c\/h4\u003e\n\u003cp\u003eExperience the SE300 more vividly and comfortably with a wide 5.46-inch, large-screen Full HD display.\u003c\/p\u003e\n\u003ch4\u003eSupports Native DSD256, 32bit\/384kHz\u003c\/h4\u003e\n\u003cp\u003eSE300 supports DSD256 and up to 32bit\/384kHz with Astell\u0026amp;Kern’s unrivalled audio technology, allowing you to fully enjoy your favorite music anywhere you like.\u003c\/p\u003e\n\u003ch4\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h4\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been incorporated. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SE300. * ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch4\u003eAK File Drop to enjoy wireless transfers\u003c\/h4\u003e\n\u003cp\u003eThe new AK File Drop function in the SE300 makes file transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch4\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h4\u003e\n\u003cp\u003eBT Sink function connects the SE300 to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the SE300 using the BT Sink function.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Supported Modes\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-10.png?v=1691784752\"\u003e\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eThe design concept for the A\u0026amp;futura SE300 is 'Stream'. Like small ripples on water turning into crashing waves, we designed the SE300 with Class A AMP, the ultimate AMP form, to have a unique identity.\u003c\/p\u003e\n\u003cp\u003eThe main body made from aluminum has streamlined surfaces that represent the flow of music. Through this, we create a firm yet flexible image. We added intensity by using contrasting materials such as stainless steel and glass to further enhance the theme of 'Stream'. In addition to this, the bottom section of the device curves outward, allowing for a more ergonomic grip whilst using the player.\u003c\/p\u003e\n\u003cp\u003eThe right side of the SE300 is coated with stainless steel to enhance visual focus. The polished side and triangular-patterned volume wheel are key to creating powerful and visually striking contrasts. The straight pattern on the rear of the volume wheel elevates the visual density and allows users to control volume and visually check the changes. The wheel lighting is placed behind the volume wheel to avoid direct exposure whilst allowing the light to be reflected on the side decorations and volume wheel knurl, creating the effect of light bursting from the inside.\u003c\/p\u003e\n\u003cp\u003eThe rear glass also features a new etching pattern, continuing the concept of 'Stream' The basic pattern features the A logo of Astell\u0026amp;Kern, designed to present an overall flow of stream with differences in size. This etching pattern amplifies the sense of flow with the differences in inclinations, adding a sense of depth to the rectangular rear glass that may otherwise look dull.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Design\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/se300-3.jpg?v=1692046007\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003ch3\u003eGeneral Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e\n\u003cp\u003eSE300\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e\n\u003cp\u003ePlatinum Silver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e\n\u003cp\u003eAluminum and Stainless Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e\n\u003cp\u003e5.46inch HD 1080 x 1920 touch screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e\n\u003cp\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample rate\u003c\/strong\u003e\n\u003cp\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \u003cbr\u003eDSD : DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level\u003c\/strong\u003e\n\u003cp\u003e[Normal] Unbalanced 2Vrms │ Balanced 4Vrms (Condition No Load) \u003cbr\u003e[High] Unbalanced 3Vrms │ Balanced 6Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e\n\u003cp\u003eQuad-core\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e\n\u003cp\u003eFull Discrete R-2R\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e\n\u003cp\u003eSupport up to 32bit \/ 384kHz playback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e\n\u003cp\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e\n\u003cp\u003eUnbalanced Out (3.5mm), Optical Out(3.5mm) \u003cbr\u003eBalanced Out (2.5mm, only 4-pole supported | 4.4m, only 5-pole supported)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e\n\u003cp\u003e802.11 a\/b\/g\/n\/ac (2.4\/5GHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e\n\u003cp\u003eV5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\n\u003cp\u003e3.01” (76.45mm)[W] x 5.49” (139.45mm)[H] x 0.69” (17.6mm)[D]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e\n\u003cp\u003eAbout 11.18oz (317g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e\n\u003cp\u003eFirmware upgrade supported (OTA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\n\u003cp\u003e0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAudio Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\n\u003cp\u003e±0.038dB (Condition : 20Hz~20kHz) Unbalanced │Balanced \u003cbr\u003e±0.45dB (Condition : 20Hz~70kHz) Unbalanced │Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e\n\u003cp\u003e114dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (Normal Gain)\u003cbr\u003e115dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (High Gain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e\n\u003cp\u003e-135dB @ 1kHz, Unbalanced │ -144dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e\n\u003cp\u003e0.006% @ 1kHz, Unbalanced │ 0.006% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e\n\u003cp\u003e0.005% 800Hz 10kHz (4:1) Unbalanced │Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\n\u003cp\u003eUnbalanced Out 3.5mm (1.3ohm) │ Balanced Out 2.5mm (1.3ohm), 4.4mm(1.3ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClock Source\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e\n\u003cp\u003e25pS (Typ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock Jitter\u003c\/strong\u003e\n\u003cp\u003e500 Femto Seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStorage Capacity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Memory\u003c\/strong\u003e\n\u003cp\u003e256GB [NAND]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Memory\u003c\/strong\u003e\n\u003cp\u003emicroSD x1 (Max. 1TB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e\n\u003cp\u003e5,050mAh 3.8V Li-Polymer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e\n\u003cp\u003eabout 3.5hours (9V 1.67A Charging)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e\n\u003cp\u003eabout 12hours (Standard : FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Normal Gain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSupported OS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWindows 10,11(32\/64bit) MAC OS X 10.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Audio was NOT muted during the measurement. - The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":44747940102377,"sku":"SE300 Silver","price":1899.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/SE300_008copy.jpg?v=1762464748"},{"product_id":"astell-kern-a-futura-se300-leather-case","title":"Astell \u0026 Kern Vegetable Leather Case for A\u0026futura SE300 - Discontinued","description":"\u003ch2\u003eThe Perfect Fit and Best Grip\u003c\/h2\u003e\n\u003cp\u003eThe SE300's case is made of high-quality vegetable leather from BADALASSI CARLO, and boasts a high level of completeness that matches the dignity of the A\u0026amp;ultima SE300.\u003c\/p\u003e\n\u003cp\u003eThe case is available in BLACK\/PETROLIO color, and is wrapped around the entire product, providing excellent protection and the best grip with a perfect fit.\u003c\/p\u003e\n\u003cp\u003eBadalassi Carlo, a tannery founded by CARLO BADALASSI, who was a professor at a leather school in the Santa Croce region, has been producing leather for more than 40 years by integrating the traditional vegetable leather processing method developed in Tuscany with his unique theory and technology.\u003c\/p\u003e\n\u003cp\u003eVegetable leather processing is an eco-friendly leather manufacturing method that takes a long time to complete by tanning leather only with tannins extracted from plants.\u003c\/p\u003e\n\u003ch2\u003e[Minerva] BLACK\/PETROLIO Case\u003c\/h2\u003e\n\u003cp\u003eMinerva leather, unlike Minerva Box, is a plain, un-milled leather that looks matte at first, but as it gets used, the color deepens and the luster increases, so you can see and feel the change over time.\u003c\/p\u003e\n\u003cp\u003eMinerva is a vegetable tanned leather made using the unique Vacchetta method from Tuscany. At first, the leather looks matte with a lack of sheen, but over time it adds a natural luster and deepens the color. This is because there is no artificial coating on the leather surface, so the gloss rises naturally from the oil contained in the leather itself as it is used. As with other vegetable tanned leathers, Minerva is especially beautiful with time.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Black","offer_id":44748080251113,"sku":"SE300 Case Black","price":120.0,"currency_code":"USD","in_stock":false},{"title":"Petrolio","offer_id":44748080316649,"sku":"SE300 Case Petrolio","price":120.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/SE300case_003copy.jpg?v=1762464748"},{"product_id":"astell-kern-kann-max-leather-cases-1","title":"Astell \u0026 Kern Leather Case for KANN MAX  (Open Box)","description":"\u003ch3\u003eThe Perfect Fit and Best Grip\u003c\/h3\u003e\n\u003cp\u003eThe case of KANN MAX is made of high-quality vegetable tanned leather from BADALASSI CARLO and CONCERIA WALPIER, and boasts a high degree of perfection that matches the design of KANN MAX.\u003c\/p\u003e\n\u003cp\u003eThe case is available in three colors and is wrapped around the entire product, providing excellent protection and the best grip with a perfect fit.\u003c\/p\u003e\n\u003ch3\u003eLeather from BADALASSI CARLO\u003c\/h3\u003e\n\u003cp\u003eBadalassi Carlo, a tannery founded by CARLO BADALASSI, who was a professor at a leather school in the Santa Croce region, has been producing leather for more than 40 years by integrating the traditional vegetable leather processing method developed in Tuscany with his unique theory and technology.\u003c\/p\u003e\n\u003cp\u003eVegetable leather processing is an eco-friendly leather manufacturing method that takes a long time to complete by tanning leather only with tannins extracted from plants.\u003c\/p\u003e\n\u003cp\u003eThe leathers of Badalassi Carlo use the vacchetta technique that was developed in Tuscany and then processed using vegetable oil for tanning.\u003c\/p\u003e\n\u003cp\u003eThe company pursues high quality by creating products using small batch, handcrafted traditional techniques rather than mass production. The tannery is highly regarded and preferred by famous manufacturers around the world who value the quality of leather produced.\u003c\/p\u003e\n\u003ch3\u003eLeather from CONCERIA WALPIER\u003c\/h3\u003e\n\u003cp\u003eEstablished in 1973 in San Miniato, Tuscany, Italy, Walpier Tannery has been in business for three generations and has a long tradition of making leather products based on their highly regarded vegetable tanning processes. The tannery uses only 100% raw hide leathers imported from France and is a member of Vera Pelle, Italy’s association of vegetable-based leather tanners.\u003c\/p\u003e\n\u003cp\u003eWalpier's vegetable tanning is a traditional leather processing method handed down from father to son for centuries in the Tuscany region. The tanning process usually takes 40 days and is a process only practiced by Italian tanners of the world.\u003c\/p\u003e\n\u003cp\u003eIn addition, leather products that undergo the vegetable-based tanning process continue to gradually tan over time according to the user's care, usage, style, etc., showing the user's lifestyle and making the product completely unique.\u003c\/p\u003e\n\u003ch3\u003e[Mud] Khaki Brown Case\u003c\/h3\u003e\n\u003cp\u003eThe Khaki Brown case of KANN MAX uses Walpier vegetable tanned leather.\u003c\/p\u003e\n\u003cp\u003eThis is Astell\u0026amp;Kern’s first-time using Mud leather, which is a leather product that contains a unique beauty with a strong, yet soft feel.\u003c\/p\u003e\n\u003cp\u003eMud leather is processed using raw hides from northern France that have narrow pores and excellent quality. This high quality, full-grain, vegetable tanned leather undergoes minimal artificial post-processing which produces a beautiful, natural luster while maintaining some of the original and natural markings. Since Mud is milled leather, the original grain is well preserved and remains true to its natural embossed texture.\u003c\/p\u003e\n\u003cp\u003eAlthough it is a very tough and durable leather, it has a unique feature of having a soft, smooth feel that is achieved by applying a light paraffin wax one time prior to milling.\u003c\/p\u003e\n\u003ch3\u003e[Buttero] Black Case\u003c\/h3\u003e\n\u003cp\u003eThe black color case of KANN MAX uses Walpier's Buttero leather.\u003c\/p\u003e\n\u003cp\u003eButtero leather is a leather made by milling the leather to make it soft and natural on the surface. Buttero leather, like other leather used by Walpier, is manufactured from the finest French hides, so the texture is dense, and the surface is smooth.\u003c\/p\u003e\n\u003cp\u003eDue to Walpier’s highly regarded method of vegetable tanning, the Buttero leather boasts excellent color with a perfect surface finish and is highly resistant to scratches. This allows manufacturers to utilize the original texture of the leather without the problems normally associated with other vegetable processing.\u003c\/p\u003e\n\u003ch3\u003e[Minerva] Bluish Green Case\u003c\/h3\u003e\n\u003cp\u003eMinerva leather, unlike Minerva Box, is a plain, un-milled leather that looks matte at first, but as it gets used, the color deepens and the luster increases, so you can see and feel the change over time.\u003c\/p\u003e\n\u003cp\u003eMinerva is a vegetable tanned leather made using the unique Vacchetta method from Tuscany. At first, the leather looks matte with a lack of sheen, but over time it adds a natural luster and deepens the color. This is because there is no artificial coating on the leather surface, so the gloss rises naturally from the oil contained in the leather itself as it is used. As with other vegetable tanned leathers, Minerva is especially beautiful with time.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Black","offer_id":45038508343529,"sku":"KANN MAX Case Black (OB)","price":134.1,"currency_code":"USD","in_stock":false},{"title":"Bluish Green","offer_id":45038508376297,"sku":"KANN MAX Case Blue (OB)","price":134.1,"currency_code":"USD","in_stock":false},{"title":"Khaki Brown","offer_id":45038508409065,"sku":"KANN MAX Case Brown (OB)","price":134.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kannmaxcase_004_2827438f-045b-4a99-a879-b403fe714af3.jpg?v=1762465017"},{"product_id":"astell-kern-a-ultima-sp2000t-replacement-leather-case-open-box","title":"Astell \u0026 Kern Replacement Leather Case for A\u0026ultima SP2000T (Open box)","description":"\u003ch2\u003eGet an Additional or Replacement SP2000T Case\u003c\/h2\u003e\n\u003cp\u003eExceptionally high quality makes Badalassi Carlo the perfect choice of leather case for the SP2000T in the A\u0026amp;ultima range.\u003c\/p\u003e\n\u003cp\u003eProduced at the renowned Badalassi Carlo workshop in Italy, this leather is created using small batch, handcrafted traditional techniques. The company’s emphasis on quality rather than quantity has enshrined its reputation amongst leading luxury brands.\u003c\/p\u003e\n\u003cp\u003eThe leather is created using vegetable tanning, a traditional, organic method, particularly associated with the Italian region of Tuscany. \u003c\/p\u003e\n\u003cp\u003eThis leather case succeeds in completely covering the SP2000T, whilst highlighting its elegant lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBlack Case in Minerva Leather\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMinerva is a plain unmilled leather, which at first has a matte finish, but its abundant oils enable the leather to acquire a natural sheen over time.  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOliva Case in Pueblo Leather\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis leather has a distressed look, created by buffing Minerva leather with a steel ball, providing a richly colored finish.  The leather has a rustic feel at first, developing a smooth, deep patina with use.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black, Oliva\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Korea\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11.7 x 4.6 x 18.5 cm\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Black","offer_id":45175820615913,"sku":"SP2000T Case black (OB)","price":179.1,"currency_code":"USD","in_stock":false},{"title":"Oliva","offer_id":45175820648681,"sku":"SP2000T Case oliva (OB)","price":179.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/SP2000T_Case_08_1024x1024_23bf4f8e-2ee6-4bfb-b90c-0a1ba6280c68.png?v=1762465136"},{"product_id":"astell-kern-ak-uw100-mkii-true-wireless-in-ear-headphone","title":"Astell \u0026 Kern AK UW100 MKII True Wireless In-Ear Headphone - Discontinued","description":"\u003ch2\u003eTrue Wireless Sound 2nd\u003cbr\u003eAK UW100MKII\u003c\/h2\u003e\n\u003ch3\u003eNext-level True Wireless Sound\u003c\/h3\u003e\n\u003cp\u003eUnprecedented Wireless Hi-Fi Sound Quality\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Performance AKM 32bit DAC\u003c\/li\u003e\n\u003cli\u003eBest in Class PNI (Passive Noise Isolation)\u003c\/li\u003e\n\u003cli\u003eAccurate Knowles BA Driver\u003c\/li\u003e\n\u003cli\u003eaptX adaptive for High Quality Wireless Audio\u003c\/li\u003e\n\u003cli\u003eAmbient Mode with 4 steps\u003c\/li\u003e\n\u003cli\u003ePremium Tier QCC5141 \u0026amp; Bluetooth 5.2\u003c\/li\u003e\n\u003cli\u003eSupports Multipoint\u003c\/li\u003e\n\u003cli\u003eTotal 29hrs playback\u003c\/li\u003e\n\u003cli\u003eWireless \u0026amp; Fast Charge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca data-polaris-unstyled=\"true\" class=\"Polaris-Navigation__Item\" aria-disabled=\"false\" aria-expanded=\"false\" aria-controls=\":rep:\" href=\"https:\/\/admin.shopify.com\/store\/audio46\/orders\" tabindex=\"0\" data-mce-block=\"true\"\u003e\u003cspan class=\"Polaris-Navigation__Text\"\u003e\u003cspan class=\"Polaris-Text--root Polaris-Text--bodyMd Polaris-Text--medium\"\u003eOrders\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"Polaris-Navigation__Badge\"\u003e\u003cspan class=\"Polaris-Badge Polaris-Badge--toneNew\"\u003e\u003cspan class=\"Polaris-Text--root Polaris-Text--visuallyHidden\"\u003eNew\u003c\/span\u003e\u003cspan class=\"Polaris-Text--root Polaris-Text--bodySm Polaris-Text--medium\"\u003e69\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134315_8271774a-acb0-4df4-ab02-f9fe09caf63f.jpg?v=1692221976\" alt=\"Astell \u0026amp; Kern AK UW100MKII Next-Level TWS Sound\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134315_8271774a-acb0-4df4-ab02-f9fe09caf63f.jpg?v=1692221976\"\u003e\u003c\/p\u003e\n\u003ch3\u003eUnprecedented Wireless Hi-Fi Sound Quality: The Second Story\u003c\/h3\u003e\n\u003cp\u003eThe AK UW100, which realized Astell\u0026amp;Kern's philosophy of \"delivering music that is authentic to the original sound\" even in true wireless earphones, has attracted a lot of interest due to its unique design and best in class sound. Based on this positive reception, Astell\u0026amp;Kern continued research and development to create our generation TWS, and as a result, is proud to present the AK UW100MKII, a new premium TWS that conveniently delivers the ultimate sound anywhere and at any time.\u003c\/p\u003e\n\u003cp\u003eAK UW100MKII comes with a High Resolution 32-bit DAC, which is difficult to mount on a TWS, and a full range Balanced Armature driver that offers precision sound, delivering outstanding Hi-Fi sound even in a wireless setup. In addition, with best-in-class PNI (Passive Noise Isolation) and aptX™ Adaptive, along with the ergonomic design and latest high-resolution codecs, it offers the most advanced True Wireless Sound to date.\u003c\/p\u003e\n\u003cp\u003eWe were able to further enhance the AK UW100MKII with a more advanced internal circuit design. The AK UW100 MKII reduces noise through digital circuit separation, and the newly designed circuit structure ensures a more stable connection to the host compared to its previous model, AK UW100.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the internal design was improved by adjusting the position of the BA driver and re-designing the acoustic chamber. With the optimization of electric currents, the earbuds can be played for up to 9.5 hours continuously, and offer 29 hours of maximum playback, so you can enjoy Hi-Fi sound anytime, anywhere.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134624_24c6521d-cdf9-4d91-bc03-665e59b598a2.png?v=1692222014\" alt=\"Astell \u0026amp; Kern AK UW100MKII Internal Diagram\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134624_24c6521d-cdf9-4d91-bc03-665e59b598a2.png?v=1692222014\"\u003e\u003c\/p\u003e\n\u003ch3\u003eAdvances for more complete wireless sound\u003c\/h3\u003e\n\u003cp\u003eAstell\u0026amp;Kern's long-standing, fundamental principle is the reproduction of sound as true to the original source as possible.\u003c\/p\u003e\n\u003cp\u003eThe AK UW100MKII, a true wireless earphone, based on our proprietary audio technology, provides uncompromising wireless Hi-Fi sound with no cables required.\u003c\/p\u003e\n\u003cp\u003eA rarity for True Wireless Stereo (TWS*), the AK UW100MKII has a separate embedded high-performance 32-bit DAC as well as a Balanced Armature driver for accurately reproducing sound, allowing the delivery of precise, high-quality audio with no loss of detail.\u003c\/p\u003e\n\u003cp\u003eaptX-Adaptive audio codec support for exceptional audio quality is the final flourish, ensuring the AK UW100MKII is ready for wireless Hi-Fi sound.\u003c\/p\u003e\n\u003cp\u003eCombining all these features with ergonomic design and best-in-class Passive Noise Isolation (PNI), the AK UW100MKII takes your listening experience to a dimension where only you and the artist exist.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*TWS (True Wireless Stereo) products use Bluetooth to connect to earbuds. No cables are required.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/ak.jpg?v=1692222068\" alt=\"Astell \u0026amp; Kern AK UW100MKII Main Features\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/ak.jpg?v=1692222068\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eA New Design for Enhanced Perfection\u003c\/h3\u003e\n\u003cp\u003eAstell\u0026amp;Kern has further improved on the highly regarded TWS design of the AK UW100 to provide an even more perfect solution. AK UW100MKII offers the ultimate Hi-Fi sound-the pinnacle of Astell\u0026amp;Kern's technology and expertise.\u003c\/p\u003e\n\u003cp\u003eThe position of the BA driver has been moved towards the inside of the ear to better deliver the finer audio details more directly, and the acoustic chamber structure and mesh size have been re-designed multiple times in accordance with the new BA driver position to deliver the optimal sound output.\u003c\/p\u003e\n\u003cp\u003eThe new design took numerous attempts to minimize sound diffusion to provide a more delicate and dynamic performance and a richer high-frequency expression.\u003c\/p\u003e\n\u003cp\u003eAK UW100MKII are a completely wireless earphones with unrivaled 32-bit DAC technology, and the AMP and circuit technology of Astell\u0026amp;Kern enables separation of the digital parts and analog circuits of the wireless earphone. This new design allows for further reduced noise than the previous model, offering clearer sounds with higher separation levels.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/2_b30b22de-44bf-425e-b94d-8d18f3836412.png?v=1692222292\" alt=\"Astell \u0026amp; Kern AK UW100 MKII Other Brand TWS\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/2_b30b22de-44bf-425e-b94d-8d18f3836412.png?v=1692222292\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/1_bed0ddfc-a4df-4fd8-8763-6ba0dc448c2d.png?v=1692222320\" alt=\"Astell \u0026amp; Kern AK UW100 MKII TWS\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/1_bed0ddfc-a4df-4fd8-8763-6ba0dc448c2d.png?v=1692222320\"\u003e\u003c\/h3\u003e\n\u003ch3\u003eThe Best Choice for Pure Sound - Enhanced musical immersion\u003c\/h3\u003e\n\u003cp\u003eAK UW100, the previous model, is equipped with highest-level PNI (Passive Noise Isolation), and has been recognized as a true Hi-Fi TWS that fundamentally eliminates noise that may be caused by ANC and sound distortions, together with its outstanding noise-canceling performance.\u003c\/p\u003e\n\u003cp\u003eThe AK UW100MKII allows users to enjoy complete musical immersion with its excellent sound technology and highest-level PNI technology.\u003c\/p\u003e\n\u003cp\u003eANC is not essential to achieve both reduced ambient noise and increased musical focus. When combined with the thoroughly tried-and-tested ergonomic design of the AK UW100MKII, PNI is sufficient reduce noise physically.\u003c\/p\u003e\n\u003cp\u003eUnlike generic ANC, which concentrates on cancelling low-frequency noise, PNI can efficiently cancel unwanted ambient noise in the mid and high ranges, as well as higher-pitched sounds. comparable to that of ANC,\u003c\/p\u003e\n\u003cp\u003eNotably, AK UW100MKII's noise cancelling capability even for low frequencies. Another significant feature is that sound quality is retained, since noise is attenuated by the structure of the earbuds rather than by software. Developed with the help of countless simulations, the AK UW100MKII's best-in-class PNI capability allows you to escape annoying ambient noise and to immerse yourself in an experience where only you and the artist exist.\u003c\/p\u003e\n\u003cp\u003eIf you wish to hear ambient sounds, just tap the left earbud once to activate ambient mode. You can switch between the four ambient modes by tapping or using the app.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg class=\"center\" style=\"float: none;\" alt=\"Astell \u0026amp; Kern AK UW100 MKII App\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134448_2976660e-6e24-401a-801b-5108bab13424.png?v=1692222408\"\u003e\u003c\/div\u003e\n\u003ch3\u003eContinue the Joy of Music\u003c\/h3\u003e\n\u003cp\u003eWe completely redesigned the power system to increase the playback time significantly, which is one of the important performance factors in TWS, while not compromising on the most important sound quality. Through new internal design and current optimization, we were able to maintain the earbud size while dramatically reducing the cradle size and significantly increasing the playback time.\u003c\/p\u003e\n\u003cp\u003eNow, you can enjoy the AK UW100MKII all day without worrying about recharging, with AK UW100MKII. Approximately 9.5hours of continuous playback, and up to 29 hours of total playback, never miss a beat with the AK UW100MKII.\u003c\/p\u003e\n\u003cp\u003eAlongside the convenience of wireless charging, AK UW100MKII also supports fast charging, so you can charge for 10 minutes to play for an hour.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/pc_sub_02_product-3-Headphones_3Earphone_2detail_AKUW100MK2copy_c46908f5-3574-4807-8906-045c02aa19a5.png?v=1691175171\" alt=\"Comparison with previous model\"\u003e\u003c\/p\u003e\n\u003ch3\u003ePremium Bluetooth, Ideal for Hi-Fi Sound Quality\u003c\/h3\u003e\n\u003cp\u003eAK UW100MKII features powerful wireless performance enabled by Premium Tier QCC5141, support for aptX™ Adaptive, Qualcomm's next-generation high-quality codec for wireless 24-bit sound quality and Bluetooth 5.2 support, for better connectivity than previous models.\u003c\/p\u003e\n\u003cp\u003eIn particular, through aptX™ Adaptive support, latency - the downside of Bluetooth audio - has been significantly improved. It also provides a feature that adjusts the bit rate according to the content or wireless environment, and supports 24 bit through a bit rate of up to 420 kbps.\u003c\/p\u003e\n\u003cp\u003eIn addition, Qualcomm True Wireless Stereo Plus* mode minimizes transmission delay by transmitting independent signals to each earbud. We hope you'll enjoy the AK UW100MKII's benefits of premium Bluetooth technology combined with next-gen high-quality wireless codecs.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* Qualcomm True Wireless Stereo Plus, This feature requires a smartphone that supports Qualcomm True Wireless Stereo Plus.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern AK UW100 MKII HiFi Sound Quality\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Capture_61a5eff9-ed3c-412c-ac86-251fd4c7caec.jpg?v=1692222452\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eMulti-Point and Multi-Pairing Support\u003c\/h3\u003e\n\u003cp\u003eAK UW100MKII supports Multi-Pairing and Multi-Point functions.\u003c\/p\u003e\n\u003cp\u003ePair your earbuds on multiple mobile devices at the same time. Not only can you easily switch connections to another mobile device, but you can also listen to songs played on your tablet PC while actively allowing phone notifications and calls from your smartphone.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*The Multi-Point function supports a connection of up to two devices.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eGoogle Fast Pair\u003cbr\u003eMake Pairing easier and faster.\u003c\/h3\u003e\n\u003cp\u003eThe AK UW100MKII supports Google's Fast Pair Service, allowing for easier and faster connection with Android devices. Fast Pair Service utilizes Bluetooth Low Energy technology to automatically recognize and pair devices. By simply opening the cradle of the product near an Android device, it enters pairing mode, eliminating the hassle of opening Bluetooth settings and providing a simple and convenient way to pair the device.\u003c\/p\u003e\n\u003ch3\u003eEasy, Full-Touch Control\u003c\/h3\u003e\n\u003cp\u003ePrecise full-touch control is enabled so you can simply tap to switch between functions: Play Music, answer calls, adjust the ambient level and volume, and more.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg class=\"center\" style=\"float: none;\" alt=\"Astell \u0026amp; Kern AK UW100 MKII Touch Control\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609175006_775ab1ce-9302-4544-a738-ac4ea687f3bd.jpg?v=1692222572\"\u003e\u003c\/div\u003e\n\u003ch3\u003eVoice Assistant Support\u003c\/h3\u003e\n\u003cp\u003eTap the left earbud three times to activate your smartphone's Voice Assistant function. Control music playback, make phone calls and more powerful smartphone functions with your voice.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*The supported Voice Assistant function may vary depending on the specifications of each mobile device manufacturer.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eClear Call Quality Provided by Two Optimized Microphones and cVc 8.0\u003c\/h3\u003e\n\u003cp\u003eThe AK UW 100MKII comes with Qualcomm's cVc Generation 8.0 (Clear Voice Capture) that creates enhanced call solutions for clearer and more stable call quality.\u003c\/p\u003e\n\u003cp\u003eThe Clear Voice Capture technology applied to cVc Generation 8.0 keeps background noise in check and delivers clear voice audio at all times.\u003c\/p\u003e\n\u003cp\u003eExperience the ultimate Hi-Fi sound of AK UW 100MKII and even more powerful, crystal clear call quality.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern AK UW100 MKII Call quality\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134559_c6fac082-97a5-4a5f-99f7-af73aa828332.png?v=1692222375\"\u003e\u003c\/p\u003e\n\u003ch3\u003eEasy Configuration with Our Proprietary App\u003c\/h3\u003e\n\u003cp\u003eInstall the exclusive app to use various functions and enjoy easy setup.\u003c\/p\u003e\n\u003cp\u003eThe AK TWS app is equipped with various newly developed user functions for the AK UW 100MKII. Users now can conveniently control basic battery information, User EQ setup, touch-key arrangement, ambient stage control, etc.\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eThe AK UW100MKII is the first Hi-Fi TWS device based on Astell\u0026amp;Kern's proprietary sound technologies. As with in-ear monitors (IEMS), it delivers the richness of the original sound intact and free from distortion, Il through the freedom of wireless.\u003c\/p\u003e\n\u003cp\u003eJust as Astell means \"star\" in Greek and Kern means \"center\" in German, so too Astell\u0026amp;Kern symbolizes the company's core identity of representing the center of music. This identity also shapes the design philosophy of the AK UW100MKII: the beauty of music is symbolized by a single star (Astell), embodying the twinkling and scattering of starlight.\u003c\/p\u003e\n\u003cp\u003eThe product design emphasizes the contrasting surfaces, allowing users to appreciate the shapes, colors, materials and finishes used in the earbuds and how they play with the light, and to picture in turn the stellar beauty and delicacy of the sound created by Astell\u0026amp;Kern as it is focused and diffused.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit snugly in the ear, the earbuds' shape is transformed from a pentagon to a circle, just as the sound flowing through them transforms when it is gathered, refined and then reproduced with clarity.\u003c\/p\u003e\n\u003cp\u003eThe AK UW100MKII cradle design combines two pentagon-shaped ear buds, representing the continuity of light and shade, the identity of Astell\u0026amp;Kern. The existing AK UW100 cradle actively displayed the identity of AK. However, with the AK UW100MKII, the cradle keeps the essence of Astell\u0026amp;Kern design and enhances it further whilst increasing portability.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern AK UW100 MKII Charging Case\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Capture.JPG2_56f8dbfe-daa0-4959-9292-a68c5a0e544f.jpg?v=1692222526\"\u003e\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":45274368147689,"sku":"AK UW100 MKII","price":249.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/UW100MK2_004copy.jpg?v=1762465287"},{"product_id":"astell-kern-a-futura-se300-music-player-with-r-2r-dac-open-box","title":"Astell \u0026 Kern A\u0026futura SE300 Music Player with R-2R DAC (Open Box) - Discontinued","description":"\u003ch2\u003eThe Future of Analog Sound, SE300\u003c\/h2\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 The Future of Analog Sound\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/se300-2.jpg?v=1692045757\"\u003e\u003c\/p\u003e\n\u003cp\u003eA\u0026amp;futura from Astell\u0026amp;Kern is a product line that represents Astell\u0026amp;Kern’s ceaseless efforts for innovation. SE300, the fourth model in the A\u0026amp;futura range is a premium digital audio player that inherits this identity and expands the scope of sound with an entirely new implemented technology.\u003c\/p\u003e\n\u003cp\u003eA\u0026amp;futura SE300 is equipped with an ultra-refined R-2R DAC, Class A\/AB dual amps born with our proprietary TERATON ALPHA technology, and for the first time a self-developed FPGA optimized technology. With these unrivaled components, it offers the true sound philosophy and technology of Astell\u0026amp;Kern.\u003c\/p\u003e\n\u003cp\u003eImmerse yourself into the true analog sound that the SE300 produces with Class-A AMP and R-2R DAC technologies, for the first time in an Astell\u0026amp;Kern player.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully Discrete 24 bit R-2R DAC\u003c\/li\u003e\n\u003cli\u003eEquipped with 96 ultra-precision 0.01% \u0026amp; TCR10 resistors\u003c\/li\u003e\n\u003cli\u003eNew Dual AMP (Class A\/AB) mode\u003c\/li\u003e\n\u003cli\u003eOption for OS \/ NOS modes\u003c\/li\u003e\n\u003cli\u003eImplemented self-developed and optimized FPGA technology\u003c\/li\u003e\n\u003cli\u003eNew Crimson theme UI\/UX\u003c\/li\u003e\n\u003cli\u003eSupports Bluetooth 5.0 and wireless Hi-Fi aptX™ HD, LDAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/se300-1.jpg?v=1692046031\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFully Discrete 24bit R-2R DAC\u003c\/h2\u003e\n\u003cp\u003eTo ensure the A\u0026amp;futura SE300 audio player better reproduces analog sounds, we set out to combine the DAC and AMP sections for the first time during the initial design phase.\u003c\/p\u003e\n\u003cp\u003eThe SE300 comes supplied with an R-2R DAC, instead of a Delta-Sigma DAC that is most commonly used in other audio players. R-2R DAC, also known as Ladder DAC, as it arranges resistors in a ladder form, offers natural yet dynamic Hi-Fi sounds, but it is extremely technical and difficult to execute as it requires complex refined resistor units and hard to manage current controls. However, despite these technical challenges, after several years for development and a lot of trial and error we have managed to overcome this and create a new analog sound. In the process, we have meticulously selected each and every one of the 96 ultra-precision resistors and finalized our R-2R DAC technology.\u003c\/p\u003e\n\u003cp\u003eSE300 takes us one step closer to realizing analog sound from a digital source and is the result of a long journey taken by Astell\u0026amp;Kern with uncompromising craftsmanship to find the ultimate sound solution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRealization of 24-bit Decoding with R-2R DAC\u003c\/strong\u003e \u003cbr\u003eThe R-2R DAC within the SE300 arranges 48 pairs (23xR and 25x2R) of 96 ultra-precision resistors to create analog signals, in turn realizing true Hi-Fi 24-bit decoding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-precision resistor Design, the Key to Hi-Fi Sound\u003c\/strong\u003e \u003cbr\u003eIt is key to total the accurate current value with resistors that has the smallest error ranges in order to create Hi-Fi sound with an R-2R DAC. To realize this, Astell\u0026amp;Kern inspected each specifically selected ultra-precision resistor of 0.01% error range to complete the design of SE300.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-precision TCR10 Specifications\u003c\/strong\u003e \u003cbr\u003eTo create Hi-Fi sound without distortions within such an extreme precision design, we analyzed and preconceived any potential impacts that may be caused by changes in temperature. The SE300 comes with special *TCR10 specifications to minimize the changes in the 0.01% resistor error range.\u003c\/p\u003e\n\u003cp\u003e* TCR10: 10 ppm\/℃ Low Temperature Coefficient of resistor\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 R2R DAC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141902_334e96d3-235d-4c4e-8114-ba9ebfd66d59.png?v=1692045791\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSupporting Class A\/AB Dual AMP Mode\u003c\/h2\u003e\n\u003cp\u003eThe SE300 comes with a Dual AMP mode. Class A amplification that creates low distortions and natural sounds and a Class AB amplification that plays dynamic sounds with high efficiency so users can pick and choose from the two amps according to their listening preferences and genre of music that they are playing.\u003c\/p\u003e\n\u003cp\u003eExperience the true sounds that only Astell\u0026amp;Kern can deliver with the SE300 that comes with an R-2R DAC and Class A\/AB Dual AMPs born from Astell\u0026amp;Kern’s unique proprietary designs that reduces power consumption whilst enhancing output and removing noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClass A AMP mode\u003cbr\u003e\u003c\/strong\u003eClass A AMP is an analog amp that offers the best linear output, amplifying signals without distortion or loss of signal and providing soft, warm, and natural sounds. The refined analog signal created directly by the R-2R DAC, reproduces a sound closest to the original analog audio through the organic and powerful Class A AMP.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eClass AB AMP Mode\u003cbr\u003e\u003c\/strong\u003eClass AB AMP is an analog amp that offers a powerful output with the added benefit of high efficiency. This presents dynamic and crisp sounds with less harmonic distortion.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Amp Circuit\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141921_60885bc0-c1e7-4f22-8358-18420025d769.png?v=1692045821\"\u003e\u003c\/p\u003e\n\u003ch2\u003e2-Step Gain Mode for the Perfect Hi-Fi Experience\u003c\/h2\u003e\n\u003cp\u003eFor seamless use of sensitive IEMs and hard to drive headphones, a device must provide suitable output, respective of the connected device’s specification.\u003c\/p\u003e\n\u003cp\u003eThe SE300 supports a 2-step Gain Level mode to create the prefect match for a wide range of headphones and IEMs, maintaining an optimal sound output. The two-step gain setting with \"Normal\" and \"High Gain\" modes can generate a high current output to create a powerful sound and excellent driver control.\u003c\/p\u003e\n\u003cp\u003eWith up to 6 Vrms from the balanced connections, driving high-impedance headphones has never been easier.\u003c\/p\u003e\n\u003cp\u003eOutput Level\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNormal Gain: Unbalanced 2Vrms, Balanced 4Vrms\u003c\/li\u003e\n\u003cli\u003eHigh Gain: Unbalanced 3Vrms, Balanced 6Vrms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e* Based on condition no load, there may be differences depending on the measurement method.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Two Step Mode\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141907_fd87209b-8afe-454f-9372-a33bc96050f5.png?v=1692045842\"\u003e\u003c\/p\u003e\n\u003ch2\u003eTERATON ALPHA, The Essence of A\u0026amp;K Audio Technologies\u003c\/h2\u003e\n\u003cp\u003eIt would not have been possible to combine the exquisitely designed R-2R DAC with ultra-precision resistors and Class A AMP, which was considered impossible to miniaturize, without the innovative audio technology of TERATON ALPHA. SE300 is an innovative audio player that is applied with current and temperature control of TERATON ALPHA technology and an optimized FPGA design.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA, engineered through endless research, is Astell\u0026amp;Kern's unique technology that has been designed to produce audio playback that is as close to the original sound through effective power noise removal, efficient power management and unwavering amplification, and a fully converted audio output interface.\u003c\/p\u003e\n\u003cp\u003eCircuit structures of R2R DAC and Dual A\/AB AMP that are applied for the first time in the SE300 is completed with the sound solution of TERATON ALPHA, creating the purest form of sounds and music.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSupporting Optimized FPGA OS \/ NOS Modes\u003c\/h2\u003e\n\u003cp\u003eThe SE300 comes with Astell\u0026amp;Kern’s exclusively developed FPGA and provides optimized OS \/ NOS modes.\u003c\/p\u003e\n\u003cp\u003eThe SE300 uses an FPGA (Field Programmable Gate Array) that we self developed for optimized design instead of using common off the shelf commercial semiconductor chipsets, relaying digital signals to the R-2R DAC through its algorithm. Astell\u0026amp;Kern’s FPGA, developed specifically for the SE300, supports the most ideal OS (Over Sampling) \/ NOS (Non-Over Sampling).\u003c\/p\u003e\n\u003cp\u003eEnjoy the sound styles reproduced by NOS and OS modes, meticulously designed for the SE300's hardware and programs.\u003c\/p\u003e\n\u003cstrong\u003eNOS (Non-Over Sampling) Mode\u003c\/strong\u003e\n\u003cp\u003eIn NOS mode, the player reproduces the pure original sound without any digital processing, allowing users to enjoy the true unprocessed sounds decoded by the R-2R DAC itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOS (Over Sampling) Mode\u003cbr\u003e\u003c\/strong\u003eOS mode offers partial digital processing that expands the bandwidth of the original signal to offer impressive details, with an expansive sense of space creating crisp and clear sounds.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003e\u003cstrong\u003eOS Option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003e\u003cstrong\u003eMaximum Conversion Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003ePCM\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eOS Mode\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eSupports up to 8x conversion \u003cbr\u003e44.1kHz range PCM will be converted to 352.8kHz for playback \u003cbr\u003e48kHz range PCM will be converted to 384kHz for playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003ePCM\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eNOS Mode\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eBYPASS (ex. 44.1kHz =\u0026gt; 44.1kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003eDSD\u003c\/td\u003e\n\u003ctd style=\"width: 25%;\"\u003eOS\/NOS Mode\u003c\/td\u003e\n\u003ctd style=\"width: 50%;\"\u003eSupports up to DSD 256 for playback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 NOS modes\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141911_b9dea680-6f16-4179-acde-85c04f8fb6c0.png?v=1692045886\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eNew Experience, New User Interface\u003c\/h2\u003e\n\u003cp\u003eThe SE300 comes with a redesigned Crimson-themed UI\/UX transforming into a \"true music player\" for users to deeply connect with their music listening experience.\u003c\/p\u003e\n\u003cp\u003eThe new UI\/UX is designed so that users can quickly browse music categories and re-discover songs within their music library. We also added an easy album art search function so that users can re-discover the joy of viewing and interacting with music album art whilst listening to their music.\u003c\/p\u003e\n\u003cp\u003eThe crimson theme focuses on edge, simplicity, and dark mode keywords. The color theme of black with red highlights lowers visual fatigue and offers intuitive user experiences, and many other improvements were made to the device’s user-friendliness of app service, artist view, album sorting, and the album art search function. Immerse yourself in music with the new UI\/UX.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 User Interface\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230503141909_1e92c620-10fc-4dba-97f6-5fac8de72a12.png?v=1692045908\"\u003e\u003c\/p\u003e\n\u003ch2\u003eReal-Time Information Confirmed by Light\u003c\/h2\u003e\n\u003cp\u003eBehind the exquisite A\u0026amp;futura SE300 volume wheel is an LED light that is reminiscent of rising waves. With the LED light that radiates from the inside of the SE300, users can check the Bit Depth information of the currently playing music or the current AMP mode.\u003c\/p\u003e\n\u003cp\u003e* The LED can be turned on or off according to the user’s preference.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRED 16bit\u003c\/li\u003e\n\u003cli\u003eGREEN 24bit\u003c\/li\u003e\n\u003cli\u003eBLUE 32bit\u003c\/li\u003e\n\u003cli\u003eVIOLET DSD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 LEDs\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230403105902_f8fc3878-0013-40f7-95b3-959a371989bd.png2.png?v=1691786339\"\u003e\u003c\/p\u003e\n\u003ch2\u003eOther features\u003c\/h2\u003e\n\u003ch4\u003eAdoption of 5.46 inch Full HD Display\u003c\/h4\u003e\n\u003cp\u003eExperience the SE300 more vividly and comfortably with a wide 5.46-inch, large-screen Full HD display.\u003c\/p\u003e\n\u003ch4\u003eSupports Native DSD256, 32bit\/384kHz\u003c\/h4\u003e\n\u003cp\u003eSE300 supports DSD256 and up to 32bit\/384kHz with Astell\u0026amp;Kern’s unrivalled audio technology, allowing you to fully enjoy your favorite music anywhere you like.\u003c\/p\u003e\n\u003ch4\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h4\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been incorporated. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SE300. * ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch4\u003eAK File Drop to enjoy wireless transfers\u003c\/h4\u003e\n\u003cp\u003eThe new AK File Drop function in the SE300 makes file transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch4\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h4\u003e\n\u003cp\u003eBT Sink function connects the SE300 to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the SE300 using the BT Sink function.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Supported Modes\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-10.png?v=1691784752\"\u003e\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eThe design concept for the A\u0026amp;futura SE300 is 'Stream'. Like small ripples on water turning into crashing waves, we designed the SE300 with Class A AMP, the ultimate AMP form, to have a unique identity.\u003c\/p\u003e\n\u003cp\u003eThe main body made from aluminum has streamlined surfaces that represent the flow of music. Through this, we create a firm yet flexible image. We added intensity by using contrasting materials such as stainless steel and glass to further enhance the theme of 'Stream'. In addition to this, the bottom section of the device curves outward, allowing for a more ergonomic grip whilst using the player.\u003c\/p\u003e\n\u003cp\u003eThe right side of the SE300 is coated with stainless steel to enhance visual focus. The polished side and triangular-patterned volume wheel are key to creating powerful and visually striking contrasts. The straight pattern on the rear of the volume wheel elevates the visual density and allows users to control volume and visually check the changes. The wheel lighting is placed behind the volume wheel to avoid direct exposure whilst allowing the light to be reflected on the side decorations and volume wheel knurl, creating the effect of light bursting from the inside.\u003c\/p\u003e\n\u003cp\u003eThe rear glass also features a new etching pattern, continuing the concept of 'Stream' The basic pattern features the A logo of Astell\u0026amp;Kern, designed to present an overall flow of stream with differences in size. This etching pattern amplifies the sense of flow with the differences in inclinations, adding a sense of depth to the rectangular rear glass that may otherwise look dull.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;futura SE300 Design\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/se300-3.jpg?v=1692046007\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003ch3\u003eGeneral Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e\n\u003cp\u003eSE300\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e\n\u003cp\u003ePlatinum Silver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e\n\u003cp\u003eAluminum and Stainless Steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e\n\u003cp\u003e5.46inch HD 1080 x 1920 touch screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e\n\u003cp\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample rate\u003c\/strong\u003e\n\u003cp\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \u003cbr\u003eDSD : DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level\u003c\/strong\u003e\n\u003cp\u003e[Normal] Unbalanced 2Vrms │ Balanced 4Vrms (Condition No Load) \u003cbr\u003e[High] Unbalanced 3Vrms │ Balanced 6Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e\n\u003cp\u003eQuad-core\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e\n\u003cp\u003eFull Discrete R-2R\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e\n\u003cp\u003eSupport up to 32bit \/ 384kHz playback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e\n\u003cp\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e\n\u003cp\u003eUnbalanced Out (3.5mm), Optical Out(3.5mm) \u003cbr\u003eBalanced Out (2.5mm, only 4-pole supported | 4.4m, only 5-pole supported)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e\n\u003cp\u003e802.11 a\/b\/g\/n\/ac (2.4\/5GHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e\n\u003cp\u003eV5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\n\u003cp\u003e3.01” (76.45mm)[W] x 5.49” (139.45mm)[H] x 0.69” (17.6mm)[D]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e\n\u003cp\u003eAbout 11.18oz (317g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e\n\u003cp\u003eFirmware upgrade supported (OTA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\n\u003cp\u003e0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAudio Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\n\u003cp\u003e±0.038dB (Condition : 20Hz~20kHz) Unbalanced │Balanced \u003cbr\u003e±0.45dB (Condition : 20Hz~70kHz) Unbalanced │Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e\n\u003cp\u003e114dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (Normal Gain)\u003cbr\u003e115dB @ 1kHz, Unbalanced │ 115dB @ 1kHz, Balanced (High Gain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e\n\u003cp\u003e-135dB @ 1kHz, Unbalanced │ -144dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e\n\u003cp\u003e0.006% @ 1kHz, Unbalanced │ 0.006% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e\n\u003cp\u003e0.005% 800Hz 10kHz (4:1) Unbalanced │Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e\n\u003cp\u003eUnbalanced Out 3.5mm (1.3ohm) │ Balanced Out 2.5mm (1.3ohm), 4.4mm(1.3ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClock Source\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e\n\u003cp\u003e25pS (Typ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock Jitter\u003c\/strong\u003e\n\u003cp\u003e500 Femto Seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStorage Capacity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Memory\u003c\/strong\u003e\n\u003cp\u003e256GB [NAND]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Memory\u003c\/strong\u003e\n\u003cp\u003emicroSD x1 (Max. 1TB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e\n\u003cp\u003e5,050mAh 3.8V Li-Polymer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e\n\u003cp\u003eabout 3.5hours (9V 1.67A Charging)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e\n\u003cp\u003eabout 12hours (Standard : FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Normal Gain)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSupported OS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWindows 10,11(32\/64bit) MAC OS X 10.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Audio was NOT muted during the measurement. - The image\/specification may be changed without notice to improve product performance and quality.\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":45470258168041,"sku":"SE300 (OB)","price":1804.05,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/SE300_008copy_01755a99-7739-4309-bb37-75fa81ac43df.jpg?v=1762465522"},{"product_id":"astell-kern-ak-hc2-female-4-4mm-to-male-usb-c-lightning-dual-dac-amplifier-cable-open-box","title":"Astell \u0026 Kern AK HC2 Female 4.4mm to Male USB-C\/Lightning Dual DAC Amplifier Cable (Open Box) - Discontinued","description":"\u003ch2\u003eConnected to be Hi-Fi Hi-Fi Dual DAC Cable - AK HC2\u003c\/h2\u003e\n\u003cp\u003eHigh-resolution sound on streaming services allows you to fully appreciate the rich tones and emotional nuance of your music.\u003c\/p\u003e\n\u003cp\u003eHowever, as headphone ports disappear on smartphones, it makes it increasingly difficult to use wired earphones that deliver high quality sound, and people experience the limitations of wireless transmission and slow response speeds. Music lovers who wish to enjoy true high-quality Hi-Fi sound rather than what is currently being delivered by smartphone wireless standards and computers' built-in sound cards are becoming deeply concerned.\u003c\/p\u003e\n\u003cp\u003eDeveloped to solve this problem, HC2 is Astell\u0026amp;Kern's second model with a specialized USB DAC function.\u003c\/p\u003e\n\u003cp\u003eWhile retaining the strengths of HC1 (PEE51), the first model, its functions have been supplemented to allow more people to enjoy true Hi-Fi sound. Introducing AK HC2, where you can experience and enjoy Astell\u0026amp;Kern's sincerity and philosophy for music. No matter what device you use, the moment you connect the HC2, the Hi-Fi experience will begin.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports 4.4mm Balanced Output\u003c\/li\u003e\n\u003cli\u003ePowerful 4Vrms Output\u003c\/li\u003e\n\u003cli\u003eEquipped With CS43198 Dual DAC for True Hi-Fi Sound\u003c\/li\u003e\n\u003cli\u003eDual Shielded Cable\u003c\/li\u003e\n\u003cli\u003eFull Aluminum Refined Material\u003c\/li\u003e\n\u003cli\u003eCompatible With iOS and Android Devices\u003c\/li\u003e\n\u003cli\u003eOptional Android APP (For Detailed Volume Control)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe Choice for Hi-Fi Sound — Ultra High-Resolution Sound From Dual DACs\u003c\/h2\u003e\n\u003cp\u003eThe Astell\u0026amp;Kern HC2 USB-C Dual DAC Cable features two Cirrus Logic CS43198 MasterHIFI™ DACs, a MasterHIFI™-level DAC that graces only a select few products, including the A\u0026amp;norma series, that are proven and celebrated by music lovers.\u003c\/p\u003e\n\u003cp\u003eThe HC2 provides Native DSD256 and 32-bit\/384kHz support that enables it to play back high-quality sound files so you can enjoy the luxury and premium sound quality of Astell\u0026amp;Kern.\u003c\/p\u003e\n\u003ch2\u003eThe Result of AK’s Ultra-Fine Audio Design Technology\u003c\/h2\u003e\n\u003cp\u003eWith its compact size and uncompromising performance, the HC2 makes it easy to enjoy real Hi-Fi sound anytime, anywhere.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern is adored by countless music lovers thanks to our dedication and meticulous delivery of the original sound with our signature DAPs, or portable high resolution audio players.\u003c\/p\u003e\n\u003cp\u003eWe included the Astell\u0026amp;Kern technology and know-how that has been accumulated from our DAPs over the years in this small device, measuring just 14x53mm.\u003c\/p\u003e\n\u003cp\u003eWe used micro resistors and capacitor parts to achieve the small dimensions without compromising performance. Tailored ultra-small tantalum capacitors, which are used in AK player products to create a stable system and audio performance by controlling the power fluctuations, are also included to create the optimal audio circuit. In addition, the output and audio performance are enhanced with Astell\u0026amp;Kern's unique technology while minimizing current consumption in consideration of the connected device. This enables you to enjoy the original sound without any distortion even when using high-impedance headphones or sensitive earphones.\u003c\/p\u003e\n\u003ch2\u003eHigh Output Noise-Free Sound With 4.4mm Output\u003c\/h2\u003e\n\u003cp\u003eAK HC2 uses a 4.4mm balanced output—unlike the previous model that uses a 3.5mm unbalanced output—allowing a greater variety of headphones and earphones that are made for Hi-Fi sound to be used optimally with a small USB DAC.\u003c\/p\u003e\n\u003cp\u003eWith the use of the 4.4mm balanced output, a higher output can be achieved with clearer channel separation while minimizing noise. With HC2 you can enjoy high-quality sound via a balanced output that brings out the best performance in your headphones or earphones.\u003c\/p\u003e\n\u003ch2\u003eEasy and Convenient — Plug \u0026amp; Play\u003c\/h2\u003e\n\u003cp\u003eConnect directly to a Windows PC, Mac, smartphone or tablet with a USB-C port that supports plug \u0026amp; play, without needing a separate conversion adapter, and enjoy high-quality sound.\u003c\/p\u003e\n\u003cp\u003eThe HC2 utilizes power from the connected playback device so it does not need to be charged or be connected to a separate external sound card, AMP or DAC. Just connect HC2 to experience high-fidelity sound from a computer or mobile device.\u003c\/p\u003e\n\u003cp\u003eThe HC2 is also compatible with iOS devices using the included USB-C to Lightning adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* TRS and TRRS 4.4mm earphones and headphones can all be used, but note that the in-line controller and microphone features of TRRS earphones and headphones are not supported. \u003c\/em\u003e\u003cbr\u003e\u003cstrong\u003e\u003cem\u003e* The iOS Lightning Adapter is only compatible with AK HC2.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eNoise-Free Rear Output Structure\u003c\/h2\u003e\n\u003cp\u003eAK HC2 has a rear audio output design to minimize noise.\u003c\/p\u003e\n\u003cp\u003eMost USB DAC products have the DAC positioned in the USB terminal that is connected directly to the device to process and output audio.\u003c\/p\u003e\n\u003cp\u003eHowever, with the HC2, digital signals from the device go through the dual shielded cable to the audio circuit before being converted to an analog signal by the DAC. By processing the digital signal after, the result is superior, noise-free sound compared to other USB DAC products.\u003c\/p\u003e\n\u003ch2\u003eDual Noise Shielded Cable\u003c\/h2\u003e\n\u003cp\u003eThe AK HC2 features a dual shielded cable to minimize noise and deliver more vivid, original sound. The copper core wire is coated with tin to prevent corrosion and strengthen tensile force for enhanced durability.\u003c\/p\u003e\n\u003cp\u003eIn addition, the entire cable is wrapped in an aluminum film to block noise, the biggest issue in audio, then the tin-coated copper wire is woven to minimize noise interference to sound.\u003c\/p\u003e\n\u003ch2\u003eVolume Control Through a Dedicated Android APP\u003c\/h2\u003e\n\u003cp\u003eAs is common with USB DACs, compatibility issues can arise such as different connected devices being set automatically to maximum volume output or playback at too low volume.\u003c\/p\u003e\n\u003cp\u003eTo resolve such issues and offer more greater control over volume and function of the HC2, we have developed a companion app for Android OS devices.\u003c\/p\u003e\n\u003ch2\u003ePrecautions When Using the Product\u003c\/h2\u003e\n\u003cp\u003eThis product is compatible with most Android and iOS smartphones and tablets, Windows 10\/11 and macOS products. In some cases, it may not be compatible or may be restricted depending on the hardware, software and\/or system of the device that you connect.\u003c\/p\u003e\n\u003cp\u003eWhen connecting to a Windows PC, the driver will automatically be recognized and installed. For high-quality sound files, you are required to install a separate USB DAC driver which can be downloaded from the Support — Download section on the website.\u003c\/p\u003e\n\u003cp\u003eTo play DSD and high-quality PCM sound files on a smartphone, you must install a separate free\/paid player program that supports high-resolution audio playback. (When using the default player app on a mobile device, the file will be downsampled. Please make sure to play it with a different player app)\u003c\/p\u003e\n\u003cp\u003eMake sure check the volume on your connected player device before using headphones or earphones. Some devices may automatically set the output level to maximum volume when the cable is connected. Listening to headphones or earphones at maximum volume may damage your hearing. Please verify the volume level before each use.\u003c\/p\u003e\n\u003cp\u003eDo not connect the USB-C Dual DAC Cable to an Astell\u0026amp;Kern player. When connecting the cable to a player and using it as an external DAC, the output volume will be fixed at the maximum volume setting. It is not possible to adjust the volume through the Astell\u0026amp;Kern player. Listening at maximum or a high-volume setting may cause serious damage to your hearing. Astell\u0026amp;Kern, its affiliates and agencies, cannot be held liable for any damage or injuries from negligent or inappropriate use.\u003c\/p\u003e\n\u003cp\u003eFirmware updates may be released periodically for stability improvements. For more information on firmware updates and to check if a firmware update is available, please visit the Support — Download section on the website.\u003c\/p\u003e\n\u003ca\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eAK HC2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e \n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e \n\u003cp\u003eDark Silver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e \n\u003cp\u003eCS43198 Dual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample Rate\u003c\/strong\u003e \n\u003cp\u003ePCM: Support up to 32bit\/384kHz \/ DSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e \n\u003cp\u003eUSB Type-C Input(for Windows 10,11, Android, iOS smartphone \u0026amp; Tablet PC, macOS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput\u003c\/strong\u003e \n\u003cp\u003e4.4mm balanced out\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e \n\u003cp\u003eUSB Plug: 12 x 21 x 6.5mm \/ 4.4mm Headphone: 22.8 x 60 x 12.1mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e \n\u003cp\u003eAbout 29g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca\u003e\n\u003ch2\u003eAudio Performance\u003c\/h2\u003e\n\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \n\u003cp\u003e±0.011dB (Condition: 20Hz~20kHz) Balanced ±0.145dB (Condition: 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal to Noise Ratio\u003c\/strong\u003e \n\u003cp\u003e122dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e \n\u003cp\u003e0.0004% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIME SMPTE\u003c\/strong\u003e \n\u003cp\u003e0.0003%, 800Hz 10kHz (4:1), Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance \u003c\/strong\u003e \n\u003cp\u003e4.4mm (1.5ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Power or Voltage \u003c\/strong\u003e \n\u003cp\u003e4Vrms (condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":45490414715113,"sku":"HC2\/PEE52 (OB)","price":236.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/usb-001_1200x1200_dd1334a3-ba14-4821-9736-fca712ca3a41.png?v=1762465534"},{"product_id":"astell-kern-ak-uw100-mkii-true-wireless-in-ear-headphone-open-box","title":"Astell \u0026 Kern AK UW100 MKII True Wireless In-Ear Headphone (Open Box, Missing Package Sleeve)","description":"\u003ch2\u003eTrue Wireless Sound 2nd\u003cbr\u003eAK UW100MKII\u003c\/h2\u003e\n\u003ch3\u003eNext-level True Wireless Sound\u003c\/h3\u003e\n\u003cp\u003eUnprecedented Wireless Hi-Fi Sound Quality\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Performance AKM 32bit DAC\u003c\/li\u003e\n\u003cli\u003eBest in Class PNI (Passive Noise Isolation)\u003c\/li\u003e\n\u003cli\u003eAccurate Knowles BA Driver\u003c\/li\u003e\n\u003cli\u003eaptX adaptive for High Quality Wireless Audio\u003c\/li\u003e\n\u003cli\u003eAmbient Mode with 4 steps\u003c\/li\u003e\n\u003cli\u003ePremium Tier QCC5141 \u0026amp; Bluetooth 5.2\u003c\/li\u003e\n\u003cli\u003eSupports Multipoint\u003c\/li\u003e\n\u003cli\u003eTotal 29hrs playback\u003c\/li\u003e\n\u003cli\u003eWireless \u0026amp; Fast Charge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100MKII Next-Level TWS Sound\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134315_8271774a-acb0-4df4-ab02-f9fe09caf63f.jpg?v=1692221976\"\u003e\u003c\/p\u003e\n\u003ch3\u003eUnprecedented Wireless Hi-Fi Sound Quality: The Second Story\u003c\/h3\u003e\n\u003cp\u003eThe AK UW100, which realized Astell\u0026amp;Kern's philosophy of \"delivering music that is authentic to the original sound\" even in true wireless earphones, has attracted a lot of interest due to its unique design and best in class sound. Based on this positive reception, Astell\u0026amp;Kern continued research and development to create our generation TWS, and as a result, is proud to present the AK UW100MKII, a new premium TWS that conveniently delivers the ultimate sound anywhere and at any time.\u003c\/p\u003e\n\u003cp\u003eAK UW100MKII comes with a High Resolution 32-bit DAC, which is difficult to mount on a TWS, and a full range Balanced Armature driver that offers precision sound, delivering outstanding Hi-Fi sound even in a wireless setup. In addition, with best-in-class PNI (Passive Noise Isolation) and aptX™ Adaptive, along with the ergonomic design and latest high-resolution codecs, it offers the most advanced True Wireless Sound to date.\u003c\/p\u003e\n\u003cp\u003eWe were able to further enhance the AK UW100MKII with a more advanced internal circuit design. The AK UW100 MKII reduces noise through digital circuit separation, and the newly designed circuit structure ensures a more stable connection to the host compared to its previous model, AK UW100.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the internal design was improved by adjusting the position of the BA driver and re-designing the acoustic chamber. With the optimization of electric currents, the earbuds can be played for up to 9.5 hours continuously, and offer 29 hours of maximum playback, so you can enjoy Hi-Fi sound anytime, anywhere.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100MKII Internal Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134624_24c6521d-cdf9-4d91-bc03-665e59b598a2.png?v=1692222014\"\u003e\u003c\/p\u003e\n\u003ch3\u003eAdvances for more complete wireless sound\u003c\/h3\u003e\n\u003cp\u003eAstell\u0026amp;Kern's long-standing, fundamental principle is the reproduction of sound as true to the original source as possible.\u003c\/p\u003e\n\u003cp\u003eThe AK UW100MKII, a true wireless earphone, based on our proprietary audio technology, provides uncompromising wireless Hi-Fi sound with no cables required.\u003c\/p\u003e\n\u003cp\u003eA rarity for True Wireless Stereo (TWS*), the AK UW100MKII has a separate embedded high-performance 32-bit DAC as well as a Balanced Armature driver for accurately reproducing sound, allowing the delivery of precise, high-quality audio with no loss of detail.\u003c\/p\u003e\n\u003cp\u003eaptX-Adaptive audio codec support for exceptional audio quality is the final flourish, ensuring the AK UW100MKII is ready for wireless Hi-Fi sound.\u003c\/p\u003e\n\u003cp\u003eCombining all these features with ergonomic design and best-in-class Passive Noise Isolation (PNI), the AK UW100MKII takes your listening experience to a dimension where only you and the artist exist.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*TWS (True Wireless Stereo) products use Bluetooth to connect to earbuds. No cables are required.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100MKII Main Features\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/ak.jpg?v=1692222068\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eA New Design for Enhanced Perfection\u003c\/h3\u003e\n\u003cp\u003eAstell\u0026amp;Kern has further improved on the highly regarded TWS design of the AK UW100 to provide an even more perfect solution. AK UW100MKII offers the ultimate Hi-Fi sound-the pinnacle of Astell\u0026amp;Kern's technology and expertise.\u003c\/p\u003e\n\u003cp\u003eThe position of the BA driver has been moved towards the inside of the ear to better deliver the finer audio details more directly, and the acoustic chamber structure and mesh size have been re-designed multiple times in accordance with the new BA driver position to deliver the optimal sound output.\u003c\/p\u003e\n\u003cp\u003eThe new design took numerous attempts to minimize sound diffusion to provide a more delicate and dynamic performance and a richer high-frequency expression.\u003c\/p\u003e\n\u003cp\u003eAK UW100MKII are a completely wireless earphones with unrivaled 32-bit DAC technology, and the AMP and circuit technology of Astell\u0026amp;Kern enables separation of the digital parts and analog circuits of the wireless earphone. This new design allows for further reduced noise than the previous model, offering clearer sounds with higher separation levels.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100 MKII Other Brand TWS\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/2_b30b22de-44bf-425e-b94d-8d18f3836412.png?v=1692222292\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100 MKII TWS\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/1_bed0ddfc-a4df-4fd8-8763-6ba0dc448c2d.png?v=1692222320\"\u003e\u003c\/h3\u003e\n\u003ch3\u003eThe Best Choice for Pure Sound - Enhanced musical immersion\u003c\/h3\u003e\n\u003cp\u003eAK UW100, the previous model, is equipped with highest-level PNI (Passive Noise Isolation), and has been recognized as a true Hi-Fi TWS that fundamentally eliminates noise that may be caused by ANC and sound distortions, together with its outstanding noise-canceling performance.\u003c\/p\u003e\n\u003cp\u003eThe AK UW100MKII allows users to enjoy complete musical immersion with its excellent sound technology and highest-level PNI technology.\u003c\/p\u003e\n\u003cp\u003eANC is not essential to achieve both reduced ambient noise and increased musical focus. When combined with the thoroughly tried-and-tested ergonomic design of the AK UW100MKII, PNI is sufficient reduce noise physically.\u003c\/p\u003e\n\u003cp\u003eUnlike generic ANC, which concentrates on cancelling low-frequency noise, PNI can efficiently cancel unwanted ambient noise in the mid and high ranges, as well as higher-pitched sounds. comparable to that of ANC,\u003c\/p\u003e\n\u003cp\u003eNotably, AK UW100MKII's noise cancelling capability even for low frequencies. Another significant feature is that sound quality is retained, since noise is attenuated by the structure of the earbuds rather than by software. Developed with the help of countless simulations, the AK UW100MKII's best-in-class PNI capability allows you to escape annoying ambient noise and to immerse yourself in an experience where only you and the artist exist.\u003c\/p\u003e\n\u003cp\u003eIf you wish to hear ambient sounds, just tap the left earbud once to activate ambient mode. You can switch between the four ambient modes by tapping or using the app.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100 MKII App\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134448_2976660e-6e24-401a-801b-5108bab13424.png?v=1692222408\"\u003e\u003c\/p\u003e\n\u003ch3\u003eContinue the Joy of Music\u003c\/h3\u003e\n\u003cp\u003eWe completely redesigned the power system to increase the playback time significantly, which is one of the important performance factors in TWS, while not compromising on the most important sound quality. Through new internal design and current optimization, we were able to maintain the earbud size while dramatically reducing the cradle size and significantly increasing the playback time.\u003c\/p\u003e\n\u003cp\u003eNow, you can enjoy the AK UW100MKII all day without worrying about recharging, with AK UW100MKII. Approximately 9.5hours of continuous playback, and up to 29 hours of total playback, never miss a beat with the AK UW100MKII.\u003c\/p\u003e\n\u003cp\u003eAlongside the convenience of wireless charging, AK UW100MKII also supports fast charging, so you can charge for 10 minutes to play for an hour.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Comparison with previous model\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/pc_sub_02_product-3-Headphones_3Earphone_2detail_AKUW100MK2copy_c46908f5-3574-4807-8906-045c02aa19a5.png?v=1691175171\"\u003e\u003c\/p\u003e\n\u003ch3\u003ePremium Bluetooth, Ideal for Hi-Fi Sound Quality\u003c\/h3\u003e\n\u003cp\u003eAK UW100MKII features powerful wireless performance enabled by Premium Tier QCC5141, support for aptX™ Adaptive, Qualcomm's next-generation high-quality codec for wireless 24-bit sound quality and Bluetooth 5.2 support, for better connectivity than previous models.\u003c\/p\u003e\n\u003cp\u003eIn particular, through aptX™ Adaptive support, latency - the downside of Bluetooth audio - has been significantly improved. It also provides a feature that adjusts the bit rate according to the content or wireless environment, and supports 24 bit through a bit rate of up to 420 kbps.\u003c\/p\u003e\n\u003cp\u003eIn addition, Qualcomm True Wireless Stereo Plus* mode minimizes transmission delay by transmitting independent signals to each earbud. We hope you'll enjoy the AK UW100MKII's benefits of premium Bluetooth technology combined with next-gen high-quality wireless codecs.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e* Qualcomm True Wireless Stereo Plus, This feature requires a smartphone that supports Qualcomm True Wireless Stereo Plus.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100 MKII HiFi Sound Quality\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Capture_61a5eff9-ed3c-412c-ac86-251fd4c7caec.jpg?v=1692222452\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eMulti-Point and Multi-Pairing Support\u003c\/h3\u003e\n\u003cp\u003eAK UW100MKII supports Multi-Pairing and Multi-Point functions.\u003c\/p\u003e\n\u003cp\u003ePair your earbuds on multiple mobile devices at the same time. Not only can you easily switch connections to another mobile device, but you can also listen to songs played on your tablet PC while actively allowing phone notifications and calls from your smartphone.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*The Multi-Point function supports a connection of up to two devices.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eGoogle Fast Pair\u003cbr\u003eMake Pairing easier and faster.\u003c\/h3\u003e\n\u003cp\u003eThe AK UW100MKII supports Google's Fast Pair Service, allowing for easier and faster connection with Android devices. Fast Pair Service utilizes Bluetooth Low Energy technology to automatically recognize and pair devices. By simply opening the cradle of the product near an Android device, it enters pairing mode, eliminating the hassle of opening Bluetooth settings and providing a simple and convenient way to pair the device.\u003c\/p\u003e\n\u003ch3\u003eEasy, Full-Touch Control\u003c\/h3\u003e\n\u003cp\u003ePrecise full-touch control is enabled so you can simply tap to switch between functions: Play Music, answer calls, adjust the ambient level and volume, and more.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100 MKII Touch Control\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609175006_775ab1ce-9302-4544-a738-ac4ea687f3bd.jpg?v=1692222572\"\u003e\u003c\/p\u003e\n\u003ch3\u003eVoice Assistant Support\u003c\/h3\u003e\n\u003cp\u003eTap the left earbud three times to activate your smartphone's Voice Assistant function. Control music playback, make phone calls and more powerful smartphone functions with your voice.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*The supported Voice Assistant function may vary depending on the specifications of each mobile device manufacturer.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eClear Call Quality Provided by Two Optimized Microphones and cVc 8.0\u003c\/h3\u003e\n\u003cp\u003eThe AK UW 100MKII comes with Qualcomm's cVc Generation 8.0 (Clear Voice Capture) that creates enhanced call solutions for clearer and more stable call quality.\u003c\/p\u003e\n\u003cp\u003eThe Clear Voice Capture technology applied to cVc Generation 8.0 keeps background noise in check and delivers clear voice audio at all times.\u003c\/p\u003e\n\u003cp\u003eExperience the ultimate Hi-Fi sound of AK UW 100MKII and even more powerful, crystal clear call quality.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100 MKII Call quality\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230609134559_c6fac082-97a5-4a5f-99f7-af73aa828332.png?v=1692222375\"\u003e\u003c\/p\u003e\n\u003ch3\u003eEasy Configuration with Our Proprietary App\u003c\/h3\u003e\n\u003cp\u003eInstall the exclusive app to use various functions and enjoy easy setup.\u003c\/p\u003e\n\u003cp\u003eThe AK TWS app is equipped with various newly developed user functions for the AK UW 100MKII. Users now can conveniently control basic battery information, User EQ setup, touch-key arrangement, ambient stage control, etc.\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eThe AK UW100MKII is the first Hi-Fi TWS device based on Astell\u0026amp;Kern's proprietary sound technologies. As with in-ear monitors (IEMS), it delivers the richness of the original sound intact and free from distortion, Il through the freedom of wireless.\u003c\/p\u003e\n\u003cp\u003eJust as Astell means \"star\" in Greek and Kern means \"center\" in German, so too Astell\u0026amp;Kern symbolizes the company's core identity of representing the center of music. This identity also shapes the design philosophy of the AK UW100MKII: the beauty of music is symbolized by a single star (Astell), embodying the twinkling and scattering of starlight.\u003c\/p\u003e\n\u003cp\u003eThe product design emphasizes the contrasting surfaces, allowing users to appreciate the shapes, colors, materials and finishes used in the earbuds and how they play with the light, and to picture in turn the stellar beauty and delicacy of the sound created by Astell\u0026amp;Kern as it is focused and diffused.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit snugly in the ear, the earbuds' shape is transformed from a pentagon to a circle, just as the sound flowing through them transforms when it is gathered, refined and then reproduced with clarity.\u003c\/p\u003e\n\u003cp\u003eThe AK UW100MKII cradle design combines two pentagon-shaped ear buds, representing the continuity of light and shade, the identity of Astell\u0026amp;Kern. The existing AK UW100 cradle actively displayed the identity of AK. However, with the AK UW100MKII, the cradle keeps the essence of Astell\u0026amp;Kern design and enhances it further whilst increasing portability.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK UW100 MKII Charging Case\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Capture.JPG2_56f8dbfe-daa0-4959-9292-a68c5a0e544f.jpg?v=1692222526\"\u003e\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":45648351789289,"sku":"AK UW100 MKII (OB)","price":254.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/UW100MK2_004copy_c415336a-1d4c-4b45-b63a-9099abc10668.jpg?v=1762465699"},{"product_id":"astell-kern-kann-ultra-hi-res-audio-player","title":"Astell \u0026 Kern KANN ULTRA Hi-Res Audio Player - Discontinued","description":"\u003ch2 data-mce-fragment=\"1\"\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kan1_1024x1024.png?v=1697746781\"\u003e\u003c\/h2\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003eFueling Your Sound\u003c\/h2\u003e\n\u003cp\u003eThe KANN series is adored by audiophiles all over the world for its performance that focuses on ultra-high output and clear sound.\u003c\/p\u003e\n\u003cp\u003eKANN ULTRA, the 5th product in the KANN series, continues the success of the KANN series by providing the highest output of any Astell\u0026amp;Kern player, the inclusion of Triple Output Sound, and an optimized processor and UI\/UX to make it even easier to enjoy clear sound performance.\u003c\/p\u003e\n\u003cp\u003eWith four Gain Modes that provides up to 16Vrms of desktop Hi-Fi level output and sound, and ES9039MPRO Dual DAC chips, KANN ULTRA perfectly powers many of today's headphones with high resolution. A separate Pre\/Line Out allow users to enjoy the sound with a variety of different devices.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTriple Output Mode Featuring Separately Configured Circuit and Amplifier Designs\u003c\/li\u003e\n\u003cli\u003eHeadphone Out \/ Pre-Out \/ Line Out\u003c\/li\u003e\n\u003cli\u003eNext-Generation Octa-Core Processors With Significant High-Performance Improvements\u003c\/li\u003e\n\u003cli\u003eSupports 4 Preset Gain Settings With Ultra-High Output up to 16Vrms (Headphone Out)\u003c\/li\u003e\n\u003cli\u003eEquipped With ES9039MPRO Dual DACs\u003c\/li\u003e\n\u003cli\u003eFeatured Digital Audio Remaster (DAR) Technology\u003c\/li\u003e\n\u003cli\u003eSupports Playback up to 32-bit\/768kHz, Native DSD512\u003c\/li\u003e\n\u003cli\u003eFeatures Astell\u0026amp;Kern's Unique TERATON ALPHA Technology\u003c\/li\u003e\n\u003cli\u003eUp to 11 Hours of Playback (Battery 8,400mAh)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTriple Output, Triple Sound\u003c\/h2\u003e\n\u003cp\u003eKANN ULTRA features a Triple Output Mode that allows you to enjoy Astell\u0026amp;Kern's perfectly prepared sound when connected to demanding headphones, highly detailed IEMs, and external devices.\u003c\/p\u003e\n\u003cp\u003eInstead of simply separating the output ports, Astell\u0026amp;Kern's Teraton Alpha technology allows for separate amplifier\/sound design for the Headphone Out and Line\/Pre-Out ports to provide the optimal sound for each port.\u003c\/p\u003e\n\u003cp\u003eComplete your powerful Head-Fi system even on portable devices with the KANN ULTRA with Triple Output.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Triple Output\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann2_9f52862d-389e-4467-8f6b-591d9b7751bb_1024x1024.png?v=1697746822\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. Headphone Out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe port features 4 preset gain settings and ultra-high output of up to 16Vrms. The headphone port is designed to perfectly run demanding headphones with high impedance using only the player with no external AMP.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUnbalanced (3.5mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBalanced (4.4mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow Gain\u003c\/td\u003e\n\u003ctd\u003e2Vrms\u003c\/td\u003e\n\u003ctd\u003e4Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMid Gain\u003c\/td\u003e\n\u003ctd\u003e4Vrms\u003c\/td\u003e\n\u003ctd\u003e8Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Gain\u003c\/td\u003e\n\u003ctd\u003e6Vrms\u003c\/td\u003e\n\u003ctd\u003e12Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuper Gain\u003c\/td\u003e\n\u003ctd\u003e8Vrms\u003c\/td\u003e\n\u003ctd\u003e16Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e2. Pre-Out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect Pre-Out mode on the Pre\/Line Out port to output sound to an external amplifier or audio device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e[Pre-Out]\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis mode delivers sound through a specially designed Pre-Out amplifier, instead of the high-powered Headphone Out amp. Pre-Out functions like a Pre-AMP and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eyou can control the volume\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith the volume wheel.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Pre-Out\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann4_83dbd1cd-20b1-454e-8607-78b54ad0538b_1024x1024.png?v=1697746867\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Line Out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSelect Line Out mode on the Pre\/Line Out port to output sound that is optimized when connected to external devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e[Line-Out]\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis mode outputs the sound from the DAC directly without going through an amplifier, resulting in the lowest noise level and making it ideal for connecting to external audio devices.\u003c\/p\u003e\n\u003cp\u003eLine Out has a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efixed voltage output (4 levels)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand no volume control.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Line Out\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann5_cd16e6cb-3984-4976-be5c-402cc10a6156_1024x1024.png?v=1697746889\"\u003e\u003c\/p\u003e\n\u003ch2\u003e4 Gain Levels and Outputs up to 16Vrms for the Perfect Head-Fi\u003c\/h2\u003e\n\u003cp\u003eTo run the most sophisticated IEMs and headphones, a DAP needs to be able to fully deliver an output that matches the characteristics of the receiver.\u003c\/p\u003e\n\u003cp\u003eKANN ULTRA features 4 preset gain settings up to 16Vrms, the most powerful output of any Astell\u0026amp;Kern player, to optimally run the many IEMs and headphones available today.\u003c\/p\u003e\n\u003cp\u003eThe current-handling capability of the output port has been increased to reliably run devices of different impedances at the Gain Level setting, and the AMPs have been separated into Balanced and Unbalanced to optimize currents and reduce noise for the best possible sound.\u003c\/p\u003e\n\u003cp\u003eOn top of providing the most powerful output, KANN ULTRA features a larger 5.5-inch screen and improved grip compared to KANN CUBE, which was popular for its high output versatility. Weight for KANN ULTRA has been significantly reduced to 390 grams.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN ULTRA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKANN CUBE\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Level (Super)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 8Vrms, Balanced 16Vrms\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Level (HIGH)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms. Balanced 12Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 6Vrms, Balanced 12Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Level (Mid)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 4Vrms, Balanced 8Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Level (Low)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003ctd\u003eUnbalanced 2Vrms, Balanced 4Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (WxHxD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e82mm x 140mm x 24mm\u003c\/td\u003e\n\u003ctd\u003e87.75mm x 140mm x31.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e390g\u003c\/td\u003e\n\u003ctd\u003e493g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e* Based on condition no load, there may be differences depending on the measurement method.\u003c\/p\u003e\n\u003ch2\u003eTERATON ALPHA, The Essence of A\u0026amp;K Audio Technologies\u003c\/h2\u003e\n\u003cp\u003eFrom an ultra-high output that can run even the most delicate headphones, to the Triple Output design, and the complex amplifier design with minimal noise in a compact portable audio player, this would all not have been possible without AK's Ultimate Sound Solution, TERATON ALPHA. Astell\u0026amp;Kern has taken the TERATON ALPHA to the next level with its know-how in noise reduction at ultra-high power, acquired from its predecessors such as the KANN MAX and the CA1000 series.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA, engineered through continuous research, is Astell\u0026amp;Kern's unique technology that has been designed to produce audio playback that is as close to the original sound through effective power noise removal, efficient power management and unwavering amplification, and a fully converted audio output interface.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Teraton Alpha\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann7_384eb03e-0d59-4e98-a3cf-66b5e5af4054_1024x1024.png?v=1697746933\"\u003e\u003c\/p\u003e\n\u003ch2\u003eUpgraded Sound, the Newest ESS Flagship DAC\u003c\/h2\u003e\n\u003cp\u003eThe KANN ULTRA is designed with dual ES9039MPRO DACs, the newest flagship DAC from ESS, to deliver richer and more expansive sounds that exceed your expectations.\u003c\/p\u003e\n\u003cp\u003eThe ES9039MPRO is an updated ES9039PRO model that has a built-in stereo hardware MQA renderer. It has even more advanced modulation than the existing flagship DAC to reduce power consumption, noise and distortions inside the DAC for enhanced audio performance.\u003c\/p\u003e\n\u003cp\u003eAstell\u0026amp;Kern has redesigned the AMP BLOCK to ensure that the clear, high-resolution sound of the ES9039MPRO is clearly expressed through every port of the Triple Output, and each output's characteristics show its own advanced performance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player ESS Flagship DAC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann8_828ce4e2-a875-4c5f-9f3b-f994bfee6c51_1024x1024.png?v=1697746952\"\u003e\u003c\/p\u003e\n\u003ch2\u003eAudio Block Diagram\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Audio Block Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann9_1024x1024.png?v=1697746981\"\u003e\u003c\/p\u003e\n\u003ch2\u003eIncredible User Experience With Next-Generation Octa-Core Processors\u003c\/h2\u003e\n\u003cp\u003eKANN ULTRA is the first to feature the next-gen Octa-Core processors with significant performance improvements, allowing you to enjoy KANN ULTRA's incredible sound performance with faster system speeds and a 4th generation UI\/UX that flows faster and smoother.\u003c\/p\u003e\n\u003cp\u003eThe audio circuit area is physically separated from the processor area, which includes the CPU, memory, and wireless communication components, and is equipped with a dedicated shield can to minimize the heat and noise generated by the processor.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Core Processors\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann10_1024x1024.png?v=1697747008\"\u003e\u003c\/p\u003e\n\u003ch2\u003eCrimson User Interface, A Music-Only Player\u003c\/h2\u003e\n\u003cp\u003eKANN ULTRA features a Crimson-themed UI\/UX for the first time in the KANN series, making it a \"Player for Music\" that leaves an impression in the process and experience of listening to music.\u003c\/p\u003e\n\u003cp\u003eThe Crimson UX\/UI is designed so that users can quickly browse music categories and re-discover songs within their music library.\u003c\/p\u003e\n\u003cp\u003eWe also added an easy album art search function so that users can re-discover the joy of viewing and interacting with music album art whilst listening to their music.\u003c\/p\u003e\n\u003cp\u003eThe crimson theme focuses on edge, simplicity, and dark mode keywords. The color theme of black with red highlights lowers visual fatigue and offers intuitive user experiences, and includes many other improvements to the device’s user-friendliness of streaming app services, artist view, album sorting, and album art search function.\u003c\/p\u003e\n\u003cp\u003eImmerse yourself in music with Crimson UX\/UI.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Crimson User Interface\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann11_1024x1024.png?v=1697747029\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSound Design by DAC Filter\u003c\/h2\u003e\n\u003cp\u003eWith the KANN ULTRA, you can pick and choose from seven DAC filters to create your own sound style.\u003cbr\u003eDesign your own sound with the seven DAC filters.\u003c\/p\u003e\n\u003ctable data-mce-selected=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eImpulse Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum phase (Default)\u003c\/td\u003e\n\u003ctd\u003eLow latency, Minimal pre ringing and low passband ripple\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.astellnkern.com\/editor\/img\/202301\/20230110105448_db5b8426-7ded-4124-8da7-0f0ff6a5fbb3.gif\" alt=\"wave Minimum phase (Default)\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Phase Apodizing\u003c\/td\u003e\n\u003ctd\u003eFull Image rejection by FS\/2 to avoid any aliasing, with smooth roll-off starting before 20k\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.astellnkern.com\/editor\/img\/202301\/20230110105450_21fa4954-6598-4ad4-aeb5-803f4604d27e.gif\" alt=\"wave Linear Phase Apodizing\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Phase Fast Roll-Off\u003c\/td\u003e\n\u003ctd\u003eMost Common filter with clean suppression and high rejection, best for music with high transients. Provides crisp clean highs\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.astellnkern.com\/editor\/img\/202301\/20230110105451_8bc00373-bc03-421d-b756-909456bd339a.gif\" alt=\"wave Linear Phase Fast Roll-Off\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Phase Slow Roll-Off\u003c\/td\u003e\n\u003ctd\u003eLow group delay and symmetrical inputs response. Less ringing then Linear phase fast roll off. Punchier bass than LPFR, with clean highs\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.astellnkern.com\/editor\/img\/202301\/20230110105452_b56d4568-7141-4511-bd2a-8b30187ca84d.gif\" alt=\"wave Linear Phase Slow Roll-Off\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Phase Fast Roll-Off\u003c\/td\u003e\n\u003ctd\u003eMinimal Pre Ringing, preferred for Imaging and soundstage. No aliasing in frequency domain. Stronger bass than Linear Phase, clean highs\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.astellnkern.com\/editor\/img\/202301\/20230110105453_648e45ea-49c2-407f-bc0d-9ccbe672e3be.gif\" alt=\"wave Minimum Phase Fast Roll-Off\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Phase Slow Roll-Off\u003c\/td\u003e\n\u003ctd\u003eNon Symetrical filter designed to minimize pre ringing. Strong punchy bass with good transient attacks\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.astellnkern.com\/editor\/img\/202301\/20230110105454_6e919afe-32d3-4888-a0e6-215d73526d5f.gif\" alt=\"wave Minimum Phase Slow Roll-Off\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Phase Slow Roll-Off Low Dispersion\u003c\/td\u003e\n\u003ctd\u003eProvides a nice balance of the low latency of Minimum phase filters and the Low Dispersion of Linear Phase filters. Minimal pre-ringing is added to achieve the low dispersion in the audio band\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/cdn.astellnkern.com\/editor\/img\/202301\/20230110105455_20d665d5-8594-4370-8faa-60f5dd902dee.gif\" alt=\"wave Minimum Phase Slow Roll-Off Low Dispersion\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDigital Audio Remaster Technology for Even More Vivid Original Sound\u003c\/h2\u003e\n\u003cp\u003eThe KANN ULTRA is equipped with Digital Audio Remaster (DAR) technology, which was developed to deliver fine sound at higher sample rates.\u003cbr\u003eDAR technology is developed to upsample the sample rate of the sound source being played to go beyond the limits of the source format.\u003cbr\u003eThe high sample rate allows more refined playback and offers delicate and analog-like original sound, helping you to enjoy the richness of the original sound, subtle differences in the nuance of the music and full-bodied sounds at a higher level.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*The DAR function can be turned on and off and you may select it to suit the source sound and your own preferences.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Max PCM rate 384kHz\/DSD256 conversion play is supported, and the files will be converted to and played in the sample rates that fit the source sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20220831142053_3c614b6e-6fff-46b0-8608-5853021ea248.png?v=1699379241\" alt=\"Digital Audio Remaster\"\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003e\u003cstrong\u003eDAR option\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75%;\"\u003e\u003cstrong\u003eMaximum Conversion Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003ePCM\u003c\/td\u003e\n\u003ctd style=\"width: 75%;\"\u003e44.1kHz range PCM will be converted to 352.8kHz for playback\u003cbr\u003e48kHz range PCM will be converted to 384kHz for playback\u003cbr\u003eNo conversion will be made when playing DSD with this option selected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25%;\"\u003eDSD\u003c\/td\u003e\n\u003ctd style=\"width: 75%;\"\u003ePCM files lower than 96kHz will be converted to DSD128 for playback\u003cbr\u003ePCM files over 96kHz will be converted to DSD256 for playback\u003cbr\u003eDSD files below DSD256 will be converted to DSD256 for playback with this option selected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCrossfeed, Speaker Effect When Listening Through Headphones\u003c\/h2\u003e\n\u003cp\u003eIn a headphone environment in which the left and right channels are clearly separated, ear fatigue may increase during prolonged listening. The moment you turn on Crossfeed, the experience of crisp, but comfortable sound begins.\u003c\/p\u003e\n\u003cp\u003eCrossfeed mixes parts of the original signal from one channel and sends that signal to the opposite channel with a time difference to center the sound image.\u003c\/p\u003e\n\u003cp\u003eThrough the use of detailed settings such as Shelf Cutoff, Shelf Gain, and Mixer Level, you can set the level of crossfeed according to your listening preferences.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player Crossfeed\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann14_1024x1024.png?v=1697747097\"\u003e\u003c\/p\u003e\n\u003ch2\u003eReal-Time Information Confirmed by Light\u003c\/h2\u003e\n\u003cp\u003eThe LED lights on the volume wheel visually represent the power of the KANN ULTRA and show the volume level or the Bit Depth of the currently playing song.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern KANN ULTRA Hi-Res Audio Player LED Lights\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/KANN_ULTRA_LED_Indicator_1024x1024.png?v=1697747152\"\u003e\u003c\/p\u003e\n\u003ch2\u003eAdditional Features\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSupport Native DSD512, 32-bit\/768kHz\u003c\/li\u003e\n\u003cli\u003eAK File Drop to Enjoy Wireless Transfers\u003c\/li\u003e\n\u003cli\u003eROON ARC App Supported\u003c\/li\u003e\n\u003cli\u003eAdoption of 5.5-inch Full HD Display \u003c\/li\u003e\n\u003cli\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/li\u003e\n\u003cli\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIn The Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eKANN ULTRA Device x 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C Cable x 1\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide x 1\u003c\/li\u003e\n\u003cli\u003eWarranty Card x 1\u003c\/li\u003e\n\u003cli\u003emicroSD Card Slot Cover x 2\u003c\/li\u003e\n\u003cli\u003eProtective Film (Front x 2, Rear x 2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eModel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eKANN ULTRA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eBody Color\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAstro Gray\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eBody Material\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eDisplay\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e5.5-inch HD 10800 x 1920 touchscreen\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eSupported Audio Formats\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DIFF, DSF, MQA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eSample Rate\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cspan\u003ePCM: 8kHz ~ 768kHz (8\/16\/24\/32-bits per Sample)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDSD Native: DSD64 (1-bit, 2.8MHz), Stereo \/ DSD128 (1-bit, 5.6MHz), Stereo \/ DSD256 (1-bit, 11.2MHz), Stereo \/ DSD512 (1-bit, 22.4MHz), Stereo\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eOutput Level\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eHeadphone Out\u003c\/p\u003e\n\u003cp\u003e[Low Gain] Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load)\u003c\/p\u003e\n\u003cp\u003e[Mid Gain] \u003cspan data-mce-fragment=\"1\"\u003eUnbalanced 4Vrms \/ Balanced 8Vrms (Condition No Load)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e[High Gain] \u003cspan data-mce-fragment=\"1\"\u003eUnbalanced 6Vrms \/ Balanced 12Vrms (Condition No Load)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e[Super Gain] \u003cspan data-mce-fragment=\"1\"\u003eUnbalanced 8Vrms \/ Balanced 16Vrms (Condition No Load)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003ePre - Line Out: Unbalanced 2Vrms \/ Balanced 4Vrms (Condition No Load)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eCPU\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eOcta-Core\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eDAC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eESS ES9039MPRO x 2 (Dual-DAC)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eDecoding\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eSupport up to 32-Bit\/768kHz Bit-to-Bit Playback\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eInput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eUSB Type-C Input (For Charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eOutputs\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eHeadphone Out: 3.5mm (Unbalanced Out, Optical Out), 4.4mm (Balanced Out, only 5-pole supported)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePre - Line Out: 3.5mm (Unbalanced Out), 4.4mm (Balanced Out, only 5-pole supported)\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eWi-Fi\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e802.11 a\/b\/g\/n\/ac (2.4\/5GHz)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eBluetooth\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eV4.2 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e3.24\" (82.4mm) [W] x 5.55\" (141.1mm) [H] x 0.96\" (24.4mm) [D]\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 13.75oz (390g)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eFeature Enhancements\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eFirmware upgrade supported (OTA)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eOperating Temperature\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eAudio Specifications\u003c\/h3\u003e\n\u003ctable data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"228\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFrequency Response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"636\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHeadphone Out\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e±0.006dB (Condition: 20Hz~20kHz) Unbalanced │ ±0.004dB (Condition: 20Hz~20kHz) Balanced\u003cbr data-mce-fragment=\"1\"\u003e±0.016dB (Condition: 20Hz~70kHz) Unbalanced │ ±0.020dB (Condition: 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003ePre-Out\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003e±0.022dB (Condition: 20Hz~20kHz) Unbalanced │ ±0.023dB (Condition: 20Hz~20kHz) Balanced\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan\u003e±0.023dB (Condition: 20Hz~70kHz) Unbalanced │ ±0.023dB (Condition: 20Hz~70kHz) Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003eLine Out\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003e±0.002dB (Condition: 20Hz~20kHz) Unbalanced │ ±0.002dB (Condition: 20Hz~20kHz) Balanced\u003cbr data-mce-fragment=\"1\"\u003e±0.007dB (Condition: 20Hz~70kHz) Unbalanced │ ±0.006dB (Condition: 20Hz~70kHz) Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"228\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eS\/N\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"636\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHeadphone Out: 115dB @ 1kHz, Unbalanced │ 119dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003ePre-Out: 110dB @ 1kHz, Unbalanced │ 126dB @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003eLine Out: 110dB @ 1kHz, Unbalanced │ 125dB @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"228\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCrosstalk\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"636\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHeadphone Out: -134dB @ 1kHz, Unbalanced │ -140dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003ePre-Out: -128dB @ 1kHz, Unbalanced │ -128dB @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003eHeadphone Out: -129dB @ 1kHz, Unbalanced │ -121dB @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"228\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eTHD+N\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"636\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHeadphone Out: 0.0004% @ 1kHz, Unbalanced │ 0.0004% @ 1kHz, Balanced\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003ePre-Out: 0.0012% @ 1kHz, Unbalanced │ 0.0005% @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003eLine Out: 0.0013% @ 1kHz, Unbalanced │ 0.0005% @ 1kHz, Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"228\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eIMD SMPTE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"636\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHeadphone Out: 0.0006% 800Hz 10kHz (4:1) Unbalanced │ 0.0006% 800Hz 10kHz (4:1) Balanced\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePre-Out: 0.0006% 800Hz 10kHz (4:1) Unbalanced │ 0.0006% 800Hz 10kHz (4:1) Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLine Out: 0.0006% 800Hz 10kHz (4:1) Unbalanced │ 0.0006% 800Hz 10kHz (4:1) Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"228\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOutput Impedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\" width=\"636\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHeadphone Out: Unbalanced Out 3.5mm (1ohm) │ Balanced Out 4.4mm (1.3ohm)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003ePre-Out: \u003c\/span\u003e\u003cspan\u003eUnbalanced Out 3.5mm (3.5ohm) │ Balanced Out 4.4mm (5.7ohm)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan\u003eLine Out: Unbalanced Out 3.5mm (6.5ohm) │ Balanced Out 4.4mm (10.7ohm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eClock Source\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eClock Jitter\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e25ps (Typ)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eReference Clock Jitter\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e200 Femto Seconds\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan\u003e*Audio specifications based on Low Gain\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eStorage Capacity\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eBuilt-In Memory\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e128GB [NAND]\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eExternal Memory\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003emicroSD x 1 (Max. 1TB)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eCapacity\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e8,400mAh 3.8V Li-Polymer\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eCharge Time\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 4.5 hours (9V 1.67A Fast Charging) | 6.5 hours (5V 2A General Charging)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003ePlayback Time\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 11 hours (Standard: FLAC, 16-bit, 44.1kHz, Vol. 50, LCD Off, LED On, Low Gain)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eSupported OS\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eSupported OS\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eWindows 8, 10, 11 (32\/64bit); MAC OS X 10.7\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan data-block=\"\"\u003e\u003c\/span\u003e\u003cspan data-block=\"\"\u003e\u003c\/span\u003e\u003cspan data-block=\"\"\u003e*Audio was NOT muted during measurement\u003c\/span\u003e\u003cspan data-block=\"\"\u003e*The image\/specifications may be changed without notice to improve product performance and quality\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":45815066427625,"sku":"kann-ultra","price":1759.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/kann1.png?v=1762465959"},{"product_id":"astell-kern-ak-hb1-portable-wireless-dac-amp","title":"Astell \u0026 Kern AK HB1 Portable Wireless DAC\/Amp","description":"\u003ch2\u003eBetter Sound, With or Without Cables, AK HB1\u003c\/h2\u003e\n\u003cp\u003eAK HB1 is a portable Bluetooth DAC\/AMP that lets you effortlessly experience high-quality audio and Hi-Fi streaming services with the best performance, all without the hassle of cables. Pair your mobile device to AK HB1 through Bluetooth and experience seamless, wireless Hi-Fi sound across various IEMs and headphones, all facilitated by its compact, lightweight design and powerful built-in amplifier.In addition to this, AK HB1 also delivers Astell\u0026amp;Kern's pristine sound quality via USB DAC functionality, and offers a seamless connection to gaming devices and immersive entertainment using microphones, transforming your mobile device into a hub of endless multimedia possibilities.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3.5mm and 4.4mm Dual Output\u003c\/li\u003e\n\u003cli\u003eSupports LDAC and aptX™ HD for High-Quality Bluetooth Sound\u003c\/li\u003e\n\u003cli\u003eFeatures ESS ES9281AC PRO DAC\u003c\/li\u003e\n\u003cli\u003eSeparate DAC and AMP for Premium Hi-Fi Experience\u003c\/li\u003e\n\u003cli\u003ePlug \u0026amp; Play USB DAC Function\u003c\/li\u003e\n\u003cli\u003eInterchangeable Cable (Type-C and Lightning Cable Included)\u003c\/li\u003e\n\u003cli\u003eSupports UAC 1.0 (Gaming System)\u003c\/li\u003e\n\u003cli\u003eClear and Vivid Voice in Calls\u003c\/li\u003e\n\u003cli\u003eCar Mode Supported\u003c\/li\u003e\n\u003cli\u003eMulti-Point Connection (Up To Two Devices)\u003c\/li\u003e\n\u003cli\u003eMQA Renderer \/ Roon Tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp with Or Without Cables\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AK_HB1_Studio_010_2176e970-fb65-41c2-bfb9-423cdff8b213_1024x1024.png?v=1697748304\" style=\"margin-bottom: 16px;\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePremium Bluetooth for Hi-Fi Sound\u003c\/h2\u003e\n\u003cp\u003eAK HB1 is equipped with Qualcomm's CSR8675 Bluetooth chipset, which supports the transmission of high-resolution audio sources, ensuring a stable connection.\u003c\/p\u003e\n\u003cp\u003eFrom LDAC, supporting 24 bit\/96 kHz, to the aptX™ HD codec offering stable 24-bit\/48kHz support, AK HB1 accommodates an extensive selection of codecs, including the most commonly used AAC and SBC. This comprehensive codec support guarantees smooth wireless playback of high-resolution streaming audio from both smartphones and PCs.\u003c\/p\u003e\n\u003cp\u003eFurthermore, AK HB1 features Bluetooth multi-point capability, allowing connection with up to two devices simultaneously. This feature allows you to effortlessly switch connections between various mobile devices, enabling scenarios like enjoying music from a tablet PC while concurrently receiving notifications and calls on your smartphone.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp Premium Bluetooth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB_PremiumBTforHi-FiSound_1024x1024.png?v=1697748291\"\u003e\u003c\/p\u003e\n\u003ch2\u003eHigh-Resolution Sound Unleashed by USB DAC\u003c\/h2\u003e\n\u003cp\u003eAK HB1 goes beyond simple Bluetooth playback, delivering outstanding, full high-resolution sound via USB DAC connection to PCs, smartphones, tablets, and more.\u003c\/p\u003e\n\u003cp\u003eSupporting Native DSD256 and 32-bit\/384kHz playback, AK HB1 ensures compatibility with a diverse range of high-quality audio sources, providing Astell\u0026amp;Kern's signature premium sound quality.\u003c\/p\u003e\n\u003cp\u003eAdditionally, equipped with a renderer function that supports MQA 8X, AK HB1 enables MQA playback without the need for external DACs or playback devices. By simply connecting AK HB1 via cable to compatible devices, which support MQA unfolding, you can enjoy MQA audio playback through network-enabled apps and streaming services from anywhere.\u003c\/p\u003e\n\u003cp\u003e*To use AK HB1 as a H\/W MQA renderer, a compatible S\/W core decoder capable of unfolding MQA is required.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp USB DAC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_Hi-ResSoundUnleashedbyUSBDAC_1024x1024.png?v=1697748352\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePrecision DAC and AMP Design for Hi-Fi Sound\u003c\/h2\u003e\n\u003cp\u003eAK HB1 incorporates ESS’s ES9281AC PRO DAC for exceptional noise control and unparalleled ultra-high-quality Hi-Fi sound performance.\u003c\/p\u003e\n\u003cp\u003eAdding to this, AK HB1 introduces an exclusive AMP circuitry that supersedes the standard built-in DAC AMP.\u003c\/p\u003e\n\u003cp\u003eIts AMP enables a commanding 4Vrms output (in Balanced connection) and dual connectivity options — 3.5mm unbalanced and 4.4mm balanced, catering to a wide range of IEMs and headphones.\u003c\/p\u003e\n\u003cp\u003eWhile maintaining a compact form factor of 33 x 68.4 x 16.5 mm, we used micro resistors and capacitor parts to achieve a small footprint without compromising performance. Carefully selected ultra-small tantalum capacitors, which are used in AK player products to create a stable system and audio performance by controlling the power fluctuations, are also included to create an optimal audio circuit design. In addition, the output and audio performance are enhanced with Astell \u0026amp; Kern's unique power management technology to minimize current consumption in respect of the connected device.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp HIFI DAC\/AMP\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AK_HB1_Studio_007_90c7ac04-38b1-42f3-918a-16d3a4b71f54_1024x1024.png?v=1697748369\"\u003e\u003c\/p\u003e\n\u003ch2\u003eDual Noise Shielded Cable\u003c\/h2\u003e\n\u003cp\u003eTo ensure optimal usability across both Android and iOS devices without the need for additional adapters, AK HB1 features an interchangeable cable that readily supports Type-C and Lightning connections.\u003c\/p\u003e\n\u003cp\u003eThe AK HB1 features a dual shielded cable to minimize noise and deliver a more vivid, original sound.\u003c\/p\u003e\n\u003cp\u003eThe copper core wire is coated with tin to prevent corrosion and strengthen tensile force for enhanced durability.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the entire cable is wrapped in an aluminum film to block noise with an extra layer of shielding around the power cable to further minimize noise, the biggest issue in audio, then the tin-coated copper wire is woven to minimize noise interference to sound.\u003c\/p\u003e\n\u003cp\u003eFinished with a fabric jacket on top of the TPE jacket, the cable features enhanced durability and usability with perfect aesthetic appeal.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp Cable\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AK_HB1_Cable_1024x1024.png?v=1697748388\"\u003e\u003c\/p\u003e\n\u003ch2\u003eEasy and Convenient, USB Plug \u0026amp; Play\u003c\/h2\u003e\n\u003cp\u003eAK HB1 simplifies the transition between Bluetooth and USB cable connections by supporting USB Plug \u0026amp; Play functionality.\u003c\/p\u003e\n\u003cp\u003eConnect AK HB1 to your PC or smart device using a USB cable to enjoy high-resolution sound while simultaneously controlling various settings and features through the app on your Bluetooth-connected smartphone. With BT Priority Mode enabled, AK HB1 seamlessly switches to Bluetooth mode, whenever a Bluetooth signal is received while using the USB DAC function.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp USB Plug and Play\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_EasyandConvenient_USBPlug_Play_1024x1024.png?v=1697748404\"\u003e\u003c\/p\u003e\n\u003ch2\u003eHigh Compatibility and Simultaneous Support for UAC 1.0 \u0026amp; 2.0 for Gaming\u003c\/h2\u003e\n\u003cp\u003eWhile modern smartphones, tablets, and PCs support UAC 2.0 connections, many gaming devices still exclusively support UAC 1.0 connections.\u003c\/p\u003e\n\u003cp\u003eTo cater to both scenarios, AK HB1 ensures compatibility by supporting both UAC 2.0 and UAC 1.0 connections for cross-platform quality sound experiences.\u003c\/p\u003e\n\u003cp\u003eConnect AK HB1 to your gaming device such as PlayStation and Switch, and enjoy low latency and enhanced sound for an immersive gaming experience.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp for Gaming\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_HighCompatibility_UAC1.0_2.0_1024x1024.png?v=1697748428\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSeamless Experience Extended to Cars with Car Mode\u003c\/h2\u003e\n\u003cp\u003eActivate AK HB1's dedicated Car Mode to enjoy high-quality DAC\/AMP sound effortlessly while at the wheel. Simply connect AK HB1 to your vehicle's AUX port, and its power automatically turns on\/off based on your vehicle's ignition, allowing you to enjoy audio from paired devices.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp Dedicated Car Mode\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_CarMode_1024x1024.png?v=1697748447\"\u003e\u003c\/p\u003e\n\u003ch2\u003eCrystal-Clear Voice Calls Thanks to High-Sensitivity MEMS MIC\u003c\/h2\u003e\n\u003cp\u003eAK HB1 ensures crystal-clear voice quality and stability thanks to Knowles's high-quality MEMS microphone technology and Qualcomm's cVc Generation 8.0 call solution with Clear Voice Capture technology, which suppresses ambient noise while delivering clear vocals to the recipient.\u003c\/p\u003e\n\u003cp\u003eFurthermore, AK HB1 incorporates a 4-pole in-line MIC, enabling voice calls via wired earphones.\u003c\/p\u003e\n\u003cp\u003eExperience enhanced call quality alongside AK HB1's exceptional Hi-Fi sound.\u003c\/p\u003e\n\u003cp\u003e*The in-line MIC functionality is only available while USB DAC is enabled. During Bluetooth (BT) connections, the built-in microphone of HB1 handles calls.\u003c\/p\u003e\n\u003cp\u003e*For 4-pole earphones, AK HB1 supports only CTIA-compliant earphones (OMTP-compliant products are not supported).\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp MEMS Mic Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_Crystal-ClearVoiceCalls_1024x1024.png?v=1697748467\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSmart Charging System\u003c\/h2\u003e\n\u003cp\u003eAK HB1 automatically recognizes devices when they are connected via a USB cable, whether playback or charging devices, streamlining the charging process without requiring additional setting adjustments.\u003c\/p\u003e\n\u003cp\u003eAlso, the charging mode can be turned on\/off to allow simultaneous playback and device charging, preventing battery depletion during playback.\u003c\/p\u003e\n\u003cp\u003e*Charging notes:\u003cbr\u003e1. When connected to a charger via USB, it charges at normal speed (1 hour and 30 minutes to full charge).\u003cbr\u003e2. When connected to a playback device via USB, the charging speed is adjusted, and the charging mode can be turned on\/off.\u003cbr\u003eCharging Mode On: Charges HB1's battery using the playback device's battery power.\u003cbr\u003eCharging Mode Off: Operates only by AK HB1's battery without charging from external devices.\u003c\/p\u003e\n\u003ch2\u003eLED Indicators for Real-Time Status\u003c\/h2\u003e\n\u003cp\u003eTwo LED lights positioned on the side of the AK HB1 give you an overview of the current device status such as the file type being played and battery information.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp LED Indicators\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_LEDIndicators_1024x1024.png?v=1697748497\"\u003e\u003c\/p\u003e\n\u003ch2\u003eEasy Configuration With Our Proprietary App\u003c\/h2\u003e\n\u003cp\u003eInstall the exclusive app to use various functions and enjoy easy setup.\u003c\/p\u003e\n\u003cp\u003eThe AK Control app is equipped with various newly developed user functions for the AK HB1. Users can now conveniently control Device Priority, Volume Level, User EQ setup, Car Mode and DAC Filter setting, etc.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp Proprietary App\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AK_HB1_App_UI_1024x1024.png?v=1697748520\"\u003e\u003c\/p\u003e\n\u003ch2\u003eIn The Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAK HB1 Portable Bluetooth DAC\/AMP x 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C to USB Type-C Cable x 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C to Lightning Cable x 1\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide x 1\u003c\/li\u003e\n\u003cli\u003eWarranty Card x 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eModel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAK HB1\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eBody Color\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eShadow Black\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eBody Material\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003ePolycarbonate (Body) \/ Aluminum (Volume Wheel)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eBluetooth Chipset\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eQualcomm CSR8675\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eBluetooth Version\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eBluetooth Codec\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eLDAC, aptX™ HD, aptX™, AAC, SBC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eBluetooth Profile\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eA2DP, AVRCP, HFP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eDAC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eESS ES9281AC PRO\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eSample Rate\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\nPCM: 8kHz ~ 384kHz (8\/16\/24\/32 bits per Sample)\u003cbr\u003eDSD Native: DSD64 (1-bit, 2.8MHz), Stereo \/ DSD128 (1-bit, 5.6MHz), Stereo \/ DSD256 (1-bit, 11.2MHz), Stereo\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eOutput Level\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eUnbalanced 2Vrms Balanced 4Vrms (Condition No Load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eInput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eUSB Type-C (Supports UAC 1.0 and UAC 2.0)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eOutput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e3.5mm (Supports CTIA standard 4-pole earphones\/headphones), 4.4mm (Only 5-pole supported)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e33mm [W] x 68.4mm [H] x 16.5mm [D] (Excluding volume wheel)\u003cbr\u003e39.8mm [W] x 68.4mm [H] 16.5mm [D] (Including volume wheel)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 1.41oz (40g)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eFeature Enhancements\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eFirmware upgrade supported (OTA with APP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAudio Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eFrequency Response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e±0.135dB (Condition: 20Hz~20kHz) Unbalanced\u003cbr\u003e±0.136dB (Condition: 20Hz~20kHz) Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eS\/N\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e117dB @ 1kHz, Unbalanced\u003cbr\u003e118dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eCrosstalk\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e-112dB @ 1kHz, Unbalanced\u003cbr\u003e-112dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eTHD+N\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n0.0005% @ 1kHz, Unbalanced\u003cbr\u003e0.0005% @ 1kHz, Balanced\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eIMD SMPTE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e0.0003% 800Hz 10kHz (4:1) Unbalanced\u003cbr\u003e0.0003% 800Hz 10kHz (4:1) Balanced\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eOutput Impedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eUnbalanced Out 3.5mm (0.8ohm)\u003cbr\u003eBalanced Out 4.4mm (1.8ohm)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eCapacity\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e600mAh 3.8V Li-Polymer\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eCharge Time\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 1.5 hours\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003ePlayback Time\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 6 hours (Standard: AAC)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Audio was NOT muted during measurement*The image\/specifications may be changed without notice to improve product performance and quality\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":45815277879529,"sku":"AK_HB1","price":284.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hb1-1.png?v=1762465960"},{"product_id":"astell-kern-ak-hc4-portable-usb-dac-amp","title":"Astell \u0026 Kern AK HC4 Portable USB DAC\/Amp","description":"\u003ch2\u003e\u003cb\u003eHi-Fi Sound on the Move, AK HC4\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eAstell\u0026amp;Kern offers a Hi-Fi USB DAC cable product range for a true Hi-Fi experience on smartphones and PCs.\u003c\/p\u003e\n\u003cp\u003eThe Hi-Fi sound provided by Astell\u0026amp;Kern's design, which was completed in a small size, has won praise from countless audiophiles and media.\u003c\/p\u003e\n\u003cp\u003eThe AK HC4 continues the advantages of its highly acclaimed predecessors, delivering even more perfected sound in various usage scenarios through advanced design. Featuring Dual Output, compatible with most IEMs and headphones, the AK4493S DAC for true Hi-Fi sound, and Digital Audio Remaster technology, it brings the level of Hi-Fi sound previously exclusive to Astell\u0026amp;Kern's digital audio players to the AK HC4. Enjoy Hi-Fi sound like never before.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3.5mm, 4.4mm Dual Output \u003c\/li\u003e\n\u003cli\u003eAKM AK4493S\u003c\/li\u003e\n\u003cli\u003eDAR (Digital Audio Remaster) \u003c\/li\u003e\n\u003cli\u003eSupports iOS devices\u003c\/li\u003e\n\u003cli\u003eInterchangeable Cable (Type-C \/ Lightning Cable Included)\u003c\/li\u003e\n\u003cli\u003e\nSupported UAC1.0 (For Gaming System) \n\u003c\/li\u003e\n\u003cli\u003eRoon Tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-8_1024x1024.png?v=1701128505\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eSelection for Hi-Fi Sound – ultra-high resolution sound from AKM AK4493s DAC\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eTo achieve the highest audio quality achievable with a USB DAC, the AK HC4 is the first in the USB DAC Cable lineup to incorporate AKM's DAC. AKM's DAC has earned much love when featured in Astell\u0026amp;Kern's digital audio players, but due to the small size of USB DAC Cables and the challenges of amp design, it has been difficult to implement in the USB DAC Cable lineup until now.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe AK4493s DAC from AKM, used in the AK HC4, is further enhanced with improved noise control, lower power design, and ultra-precise amp design technology, delivering exceptionally high-quality Hi-Fi sound. Furthermore, it supports Native DSD256 and up to 32bit\/384kHz to handle any high-quality audio source, allowing you to experience the high-grade sound quality that Astell\u0026amp;Kern delivers.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Hi-Res Sound\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-5_1024x1024.png?v=1701128533\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003ePrecision DAC and AMP Design for Hi-Fi Sound\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eIn order to gain stable output power and ultra-high-quality Hi-Fi sound through the Dual Output, AK HC4 introduces an exclusive AMP circuitry that supersedes the standard built-in DAC AMP.\u003c\/p\u003e\n\u003cp\u003eWhile maintaining a compact form factor 29.5 x 64.5x 14.5mm, we used micro resistors and capacitor parts to achieve a small footprint without compromising performance. Carefully selected ultra-small tantalum capacitors, which are used in AK player products to create a stable system and audio performance by controlling the power fluctuations, are also included to create an optimal audio circuit design. In addition, the output and audio performance are enhanced with Astell\u0026amp;Kern's unique power management technology to minimize current consumption in respect of the connected device.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Precision DAC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-3_1024x1024.png?v=1701128551\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003e3.5mm, 4.4mm Dual Output \u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe AK HC4 features Dual Output with both 3.5mm and 4.4mm connectors, allowing you to use AK HC4 with most Hi-Fi IEMs and headphones without the need for adapters or additional cables.\u003c\/p\u003e\n\u003cp\u003eThe 4.4mm Balanced output provides a high output of 3Vrms, maximizing the performance of sensitive headphones and IEMs, while ensuring clear channel separation and minimal noise.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe 3.5mm Unbalanced output is compatible with the majority of existing IEMs and headphones, offering a sufficient output of 2Vrms to fully experience the capabilities of your IEMs.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Dual Output\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-2_1024x1024.png?v=1701128569\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003eDigital Audio Remaster Technology for Even More Vivid Original Sound\u003c\/b\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe AK HC4 is equipped with digital audio remaster (DAR) technology, which was only applicable to the latest digital audio players from Astell\u0026amp;Kern.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDAR technology is developed to upsample the sample rate of the sound source being played to go beyond the limits of the source format.\u003cbr\u003eThe high sample rate allows more refined play and offers delicate and analog-like original sound, helping you to enjoy the richness of the original sound, subtle differences in the nuance of the music and rich sounds at a higher level.\u003c\/p\u003e\n\u003cp\u003eIn addition, the DAR slide key on the side of the product gives you a more intuitive selection of DAR options.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e* The DAR function can be selected On\/Off depending on the sound source or your preference.\u003c\/p\u003e\n\u003cp\u003e* Supports PCM playback conversion Rate up to 384 kHz\/DSD256. \u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDAR option\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMaximum Conversion Rate\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cp\u003ePCM\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e44.1kHz range PCM will be converted to 352.8kHz for playback\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e48kHz range PCM will be converted to 384kHz for playback\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eNo conversion will be made when playing DSD with this option selected\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDSD\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eDSD files below DSD256 will be upconverted to DSD256 for playback\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003e\u003cb\u003eHigh Compatibility and Simultaneous Support for UAC 1.0 \u0026amp; 2.0 for Gaming\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eWhile modern smartphones, tablets, and PCs support UAC 2.0 connections, many gaming devices still exclusively support UAC 1.0 connections.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTo cater to both scenarios, AK HC4 ensures compatibility by supporting both UAC 2.0 and UAC 1.0 connections for cross-platform quality sound experiences.\u003c\/p\u003e\n\u003cp\u003eConnect AK HC4 to your gaming device such as PlayStation and Switch, and enjoy low latency and enhanced sound for an immersive gaming experience.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Nintendo Switch\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-7_1024x1024.png?v=1701128597\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eNoise-Free Rear Output Structure\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eAK HC4 incorporates a rear audio output design to minimize noise.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMost USB DAC products have the DAC positioned in the USB terminal that is connected directly to the device to process and output audio.\u003c\/p\u003e\n\u003cp\u003eHowever, with the HC4, digital signals from the device go through the dual-shielded cable to the audio circuit before being converted to an analog signal by the DAC. By processing the digital signal after, the result is superior, noise-free sound compared to other USB DAC products. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Noise Free Output\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-1_1024x1024.png?v=1701128620\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eDual Noise Shielded Cable\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eTo ensure optimal usability across both Android and iOS devices without the need for additional adapters, AK HC4 features an interchangeable cable that readily supports Type-C and Lightning connections. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe AK HC4 features a dual shielded cable to minimize noise and deliver a more vivid, original sound.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe copper core wire is coated with tin to prevent corrosion and strengthen tensile force for enhanced durability.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the entire cable is wrapped in an aluminum film to block noise with an extra layer of shielding around the power cable to further minimize noise, the biggest issue in audio, then the tin-coated copper wire is woven to minimize noise interference to sound.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFinished with a fabric jacket on top of the TPE jacket, the cable features enhanced durability and usability with perfect aesthetic appeal.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003ePrecautions When Using the Product\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThis product is compatible with most Android and iOS smartphones and tablets, Windows 10\/11 and macOS products. In some cases, it may not be compatible or may be restricted depending on the hardware, software and\/or system of the device that you connect to.\u003c\/li\u003e\n\u003cli\u003eWhen connecting to a Windows PC, the driver will automatically be recognized and installed. For high-quality sound files, you are required to install a separate USB DAC driver which can be downloaded from the Support — Download section on the website.\u003c\/li\u003e\n\u003cli\u003e4-pole earphones and headphones support CTIA devices, but OMTP is not supported. \u003c\/li\u003e\n\u003cli\u003eTo play DSD and high-quality PCM sound files on a smartphone, you must install a separate free\/paid player program that supports high-resolution audio playback. (When using the default player app on a mobile device, the file will be downsampled. Please make sure to play it with a different player app.)\u003c\/li\u003e\n\u003cli\u003ePlease note that the volume will be fixed to the maximum level if you allow access with Tidal and some other apps on Android devices. \u003c\/li\u003e\n\u003cli\u003eMake sure to check the volume on your connected player device before using headphones or earphones. Some devices may automatically set the output level to maximum volume when the cable is connected. Listening to headphones or earphones at maximum volume may damage your hearing. Please verify the volume level before each use.\u003c\/li\u003e\n\u003cli\u003eDo not connect the USB-C Dual DAC Cable to an Astell\u0026amp;Kern player. When connecting the cable to a player and using it as an external DAC, the output volume will be fixed at the maximum volume setting. It is not possible to adjust the volume through the Astell\u0026amp;Kern player. Listening at maximum or a high-volume setting may cause serious damage to your hearing. Astell\u0026amp;Kern, its affiliates and agencies, cannot be held liable for any damage or injuries from negligent or inappropriate use.\u003c\/li\u003e\n\u003cli\u003eFirmware updates may be released periodically for stability improvements. For more information on firmware updates and to check if a firmware update is available, please visit the Support — Download section on the website.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003eLED for real-time indication\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eAK HC4 has an LED indicator located on the front, that displays song details and USB Connection.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCM:\u003c\/strong\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSD:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUAC1.0:\u003c\/strong\u003e Green \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e* When connected to UAC 1.0, the LED is fixed green.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp with Earbuds and Phone\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-6_1024x1024.png?v=1701128648\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003e\nGeneral Specifications \n\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eModel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAK HC4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eBody Color\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMoon Silver\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eBody Material \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDAC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAKM AK4493S \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSample rate\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \u003cbr\u003eDSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eOutput Level\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eUnbalanced 2Vrms \/ Balanced 3Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eInput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eUSB Type-C (Supports UAC 1.0 and UAC 2.0)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eOutput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e3.5mm (Unbalanced), 4.4mm (Balanced, Only 5-pole supported)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e29.5mm[W] x 64.5mm[H] x 14.5mm[D]\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAbout 1.09oz (31g)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\n\u003cbr\u003eAudio Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFrequency Response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e±±0.062dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.063dB (Condition : 20Hz~20kHz) Balanced \u003c\/p\u003e\n\u003cp\u003e±0.066dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.067dB (Condition : 20Hz~70kHz) Balanced \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSignal to Noise Ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e118dB @ 1kHz, Unbalanced │ 118dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eCrosstalk\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e-134dB @ 1kHz, Unbalanced │ -136dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eTHD+N\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.0005% @ 1kHz, Unbalanced │ 0.0009% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eIMD SMPTE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.0005% 800Hz 10kHz (4:1) Unbalanced │ 0.0004% 800Hz 10kHz (4:1) Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eOutput Impedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eUnbalanced Out 3.5mm (0.9ohm) │ Balanced Out 4.4mm(1.6ohm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":46105898483945,"sku":"AK HC4 (PEE54)","price":240.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/h-6.png?v=1762466165"},{"product_id":"astell-kern-ak-hc4-portable-usb-dac-amp-open-box","title":"Astell \u0026 Kern AK HC4 Portable USB DAC\/Amp (Open Box)","description":"\u003ch2\u003e\u003cb\u003eHi-Fi Sound on the Move, AK HC4\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eAstell\u0026amp;Kern offers a Hi-Fi USB DAC cable product range for a true Hi-Fi experience on smartphones and PCs.\u003c\/p\u003e\n\u003cp\u003eThe Hi-Fi sound provided by Astell\u0026amp;Kern's design, which was completed in a small size, has won praise from countless audiophiles and media.\u003c\/p\u003e\n\u003cp\u003eThe AK HC4 continues the advantages of its highly acclaimed predecessors, delivering even more perfected sound in various usage scenarios through advanced design. Featuring Dual Output, compatible with most IEMs and headphones, the AK4493S DAC for true Hi-Fi sound, and Digital Audio Remaster technology, it brings the level of Hi-Fi sound previously exclusive to Astell\u0026amp;Kern's digital audio players to the AK HC4. Enjoy Hi-Fi sound like never before.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3.5mm, 4.4mm Dual Output \u003c\/li\u003e\n\u003cli\u003eAKM AK4493S\u003c\/li\u003e\n\u003cli\u003eDAR (Digital Audio Remaster) \u003c\/li\u003e\n\u003cli\u003eSupports iOS devices\u003c\/li\u003e\n\u003cli\u003eInterchangeable Cable (Type-C \/ Lightning Cable Included)\u003c\/li\u003e\n\u003cli\u003e\nSupported UAC1.0 (For Gaming System) \n\u003c\/li\u003e\n\u003cli\u003eRoon Tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-8_1024x1024.png?v=1701128505\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eSelection for Hi-Fi Sound – ultra-high resolution sound from AKM AK4493s DAC\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eTo achieve the highest audio quality achievable with a USB DAC, the AK HC4 is the first in the USB DAC Cable lineup to incorporate AKM's DAC. AKM's DAC has earned much love when featured in Astell\u0026amp;Kern's digital audio players, but due to the small size of USB DAC Cables and the challenges of amp design, it has been difficult to implement in the USB DAC Cable lineup until now.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe AK4493s DAC from AKM, used in the AK HC4, is further enhanced with improved noise control, lower power design, and ultra-precise amp design technology, delivering exceptionally high-quality Hi-Fi sound. Furthermore, it supports Native DSD256 and up to 32bit\/384kHz to handle any high-quality audio source, allowing you to experience the high-grade sound quality that Astell\u0026amp;Kern delivers.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Hi-Res Sound\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-5_1024x1024.png?v=1701128533\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003ePrecision DAC and AMP Design for Hi-Fi Sound\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eIn order to gain stable output power and ultra-high-quality Hi-Fi sound through the Dual Output, AK HC4 introduces an exclusive AMP circuitry that supersedes the standard built-in DAC AMP.\u003c\/p\u003e\n\u003cp\u003eWhile maintaining a compact form factor 29.5 x 64.5x 14.5mm, we used micro resistors and capacitor parts to achieve a small footprint without compromising performance. Carefully selected ultra-small tantalum capacitors, which are used in AK player products to create a stable system and audio performance by controlling the power fluctuations, are also included to create an optimal audio circuit design. In addition, the output and audio performance are enhanced with Astell\u0026amp;Kern's unique power management technology to minimize current consumption in respect of the connected device.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Precision DAC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-3_1024x1024.png?v=1701128551\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003e3.5mm, 4.4mm Dual Output \u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe AK HC4 features Dual Output with both 3.5mm and 4.4mm connectors, allowing you to use AK HC4 with most Hi-Fi IEMs and headphones without the need for adapters or additional cables.\u003c\/p\u003e\n\u003cp\u003eThe 4.4mm Balanced output provides a high output of 3Vrms, maximizing the performance of sensitive headphones and IEMs, while ensuring clear channel separation and minimal noise.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe 3.5mm Unbalanced output is compatible with the majority of existing IEMs and headphones, offering a sufficient output of 2Vrms to fully experience the capabilities of your IEMs.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Dual Output\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-2_1024x1024.png?v=1701128569\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003eDigital Audio Remaster Technology for Even More Vivid Original Sound\u003c\/b\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe AK HC4 is equipped with digital audio remaster (DAR) technology, which was only applicable to the latest digital audio players from Astell\u0026amp;Kern.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDAR technology is developed to upsample the sample rate of the sound source being played to go beyond the limits of the source format.\u003cbr\u003eThe high sample rate allows more refined play and offers delicate and analog-like original sound, helping you to enjoy the richness of the original sound, subtle differences in the nuance of the music and rich sounds at a higher level.\u003c\/p\u003e\n\u003cp\u003eIn addition, the DAR slide key on the side of the product gives you a more intuitive selection of DAR options.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e* The DAR function can be selected On\/Off depending on the sound source or your preference.\u003c\/p\u003e\n\u003cp\u003e* Supports PCM playback conversion Rate up to 384 kHz\/DSD256. \u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDAR option\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMaximum Conversion Rate\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cp\u003ePCM\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e44.1kHz range PCM will be converted to 352.8kHz for playback\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e48kHz range PCM will be converted to 384kHz for playback\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eNo conversion will be made when playing DSD with this option selected\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDSD\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eDSD files below DSD256 will be upconverted to DSD256 for playback\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003e\u003cb\u003eHigh Compatibility and Simultaneous Support for UAC 1.0 \u0026amp; 2.0 for Gaming\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eWhile modern smartphones, tablets, and PCs support UAC 2.0 connections, many gaming devices still exclusively support UAC 1.0 connections.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTo cater to both scenarios, AK HC4 ensures compatibility by supporting both UAC 2.0 and UAC 1.0 connections for cross-platform quality sound experiences.\u003c\/p\u003e\n\u003cp\u003eConnect AK HC4 to your gaming device such as PlayStation and Switch, and enjoy low latency and enhanced sound for an immersive gaming experience.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Nintendo Switch\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-7_1024x1024.png?v=1701128597\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eNoise-Free Rear Output Structure\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eAK HC4 incorporates a rear audio output design to minimize noise.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMost USB DAC products have the DAC positioned in the USB terminal that is connected directly to the device to process and output audio.\u003c\/p\u003e\n\u003cp\u003eHowever, with the HC4, digital signals from the device go through the dual-shielded cable to the audio circuit before being converted to an analog signal by the DAC. By processing the digital signal after, the result is superior, noise-free sound compared to other USB DAC products. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp Noise Free Output\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-1_1024x1024.png?v=1701128620\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eDual Noise Shielded Cable\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eTo ensure optimal usability across both Android and iOS devices without the need for additional adapters, AK HC4 features an interchangeable cable that readily supports Type-C and Lightning connections. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe AK HC4 features a dual shielded cable to minimize noise and deliver a more vivid, original sound.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe copper core wire is coated with tin to prevent corrosion and strengthen tensile force for enhanced durability.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the entire cable is wrapped in an aluminum film to block noise with an extra layer of shielding around the power cable to further minimize noise, the biggest issue in audio, then the tin-coated copper wire is woven to minimize noise interference to sound.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eFinished with a fabric jacket on top of the TPE jacket, the cable features enhanced durability and usability with perfect aesthetic appeal.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003ePrecautions When Using the Product\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThis product is compatible with most Android and iOS smartphones and tablets, Windows 10\/11 and macOS products. In some cases, it may not be compatible or may be restricted depending on the hardware, software and\/or system of the device that you connect to.\u003c\/li\u003e\n\u003cli\u003eWhen connecting to a Windows PC, the driver will automatically be recognized and installed. For high-quality sound files, you are required to install a separate USB DAC driver which can be downloaded from the Support — Download section on the website.\u003c\/li\u003e\n\u003cli\u003e4-pole earphones and headphones support CTIA devices, but OMTP is not supported. \u003c\/li\u003e\n\u003cli\u003eTo play DSD and high-quality PCM sound files on a smartphone, you must install a separate free\/paid player program that supports high-resolution audio playback. (When using the default player app on a mobile device, the file will be downsampled. Please make sure to play it with a different player app.)\u003c\/li\u003e\n\u003cli\u003ePlease note that the volume will be fixed to the maximum level if you allow access with Tidal and some other apps on Android devices. \u003c\/li\u003e\n\u003cli\u003eMake sure to check the volume on your connected player device before using headphones or earphones. Some devices may automatically set the output level to maximum volume when the cable is connected. Listening to headphones or earphones at maximum volume may damage your hearing. Please verify the volume level before each use.\u003c\/li\u003e\n\u003cli\u003eDo not connect the USB-C Dual DAC Cable to an Astell\u0026amp;Kern player. When connecting the cable to a player and using it as an external DAC, the output volume will be fixed at the maximum volume setting. It is not possible to adjust the volume through the Astell\u0026amp;Kern player. Listening at maximum or a high-volume setting may cause serious damage to your hearing. Astell\u0026amp;Kern, its affiliates and agencies, cannot be held liable for any damage or injuries from negligent or inappropriate use.\u003c\/li\u003e\n\u003cli\u003eFirmware updates may be released periodically for stability improvements. For more information on firmware updates and to check if a firmware update is available, please visit the Support — Download section on the website.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003eLED for real-time indication\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eAK HC4 has an LED indicator located on the front, that displays song details and USB Connection.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCM:\u003c\/strong\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSD:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUAC1.0:\u003c\/strong\u003e Green \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e* When connected to UAC 1.0, the LED is fixed green.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HC4 Portable USB DAC\/Amp with Earbuds and Phone\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hc-6_1024x1024.png?v=1701128648\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003e\nGeneral Specifications \n\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eModel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAK HC4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eBody Color\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eMoon Silver\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eBody Material \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDAC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAKM AK4493S \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSample rate\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \u003cbr\u003eDSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eOutput Level\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eUnbalanced 2Vrms \/ Balanced 3Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eInput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eUSB Type-C (Supports UAC 1.0 and UAC 2.0)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eOutput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e3.5mm (Unbalanced), 4.4mm (Balanced, Only 5-pole supported)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e29.5mm[W] x 64.5mm[H] x 14.5mm[D]\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eAbout 1.09oz (31g)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\n\u003cbr\u003eAudio Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eFrequency Response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e±±0.062dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.063dB (Condition : 20Hz~20kHz) Balanced \u003c\/p\u003e\n\u003cp\u003e±0.066dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.067dB (Condition : 20Hz~70kHz) Balanced \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eSignal to Noise Ratio\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e118dB @ 1kHz, Unbalanced │ 118dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eCrosstalk\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e-134dB @ 1kHz, Unbalanced │ -136dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eTHD+N\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.0005% @ 1kHz, Unbalanced │ 0.0009% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eIMD SMPTE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.0005% 800Hz 10kHz (4:1) Unbalanced │ 0.0004% 800Hz 10kHz (4:1) Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003eOutput Impedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eUnbalanced Out 3.5mm (0.9ohm) │ Balanced Out 4.4mm(1.6ohm)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":46367751110889,"sku":"AK HC4 (PEE54) [OB]","price":216.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/h-6_45bba34c-90a4-49ee-ad71-e84141a6bf70.png?v=1762466401"},{"product_id":"astell-kern-ak-hb1-portable-wireless-dac-amp-open-box","title":"Astell \u0026 Kern AK HB1 Portable Wireless DAC\/Amp (Open Box)","description":"\u003ch2\u003eBetter Sound, With or Without Cables, AK HB1\u003c\/h2\u003e\n\u003cp\u003eAK HB1 is a portable Bluetooth DAC\/AMP that lets you effortlessly experience high-quality audio and Hi-Fi streaming services with the best performance, all without the hassle of cables. Pair your mobile device to AK HB1 through Bluetooth and experience seamless, wireless Hi-Fi sound across various IEMs and headphones, all facilitated by its compact, lightweight design and powerful built-in amplifier.In addition to this, AK HB1 also delivers Astell\u0026amp;Kern's pristine sound quality via USB DAC functionality, and offers a seamless connection to gaming devices and immersive entertainment using microphones, transforming your mobile device into a hub of endless multimedia possibilities.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3.5mm and 4.4mm Dual Output\u003c\/li\u003e\n\u003cli\u003eSupports LDAC and aptX™ HD for High-Quality Bluetooth Sound\u003c\/li\u003e\n\u003cli\u003eFeatures ESS ES9281AC PRO DAC\u003c\/li\u003e\n\u003cli\u003eSeparate DAC and AMP for Premium Hi-Fi Experience\u003c\/li\u003e\n\u003cli\u003ePlug \u0026amp; Play USB DAC Function\u003c\/li\u003e\n\u003cli\u003eInterchangeable Cable (Type-C and Lightning Cable Included)\u003c\/li\u003e\n\u003cli\u003eSupports UAC 1.0 (Gaming System)\u003c\/li\u003e\n\u003cli\u003eClear and Vivid Voice in Calls\u003c\/li\u003e\n\u003cli\u003eCar Mode Supported\u003c\/li\u003e\n\u003cli\u003eMulti-Point Connection (Up To Two Devices)\u003c\/li\u003e\n\u003cli\u003eMQA Renderer \/ Roon Tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp with Or Without Cables\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AK_HB1_Studio_010_2176e970-fb65-41c2-bfb9-423cdff8b213_1024x1024.png?v=1697748304\" style=\"margin-bottom: 16px;\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePremium Bluetooth for Hi-Fi Sound\u003c\/h2\u003e\n\u003cp\u003eAK HB1 is equipped with Qualcomm's CSR8675 Bluetooth chipset, which supports the transmission of high-resolution audio sources, ensuring a stable connection.\u003c\/p\u003e\n\u003cp\u003eFrom LDAC, supporting 24 bit\/96 kHz, to the aptX™ HD codec offering stable 24-bit\/48kHz support, AK HB1 accommodates an extensive selection of codecs, including the most commonly used AAC and SBC. This comprehensive codec support guarantees smooth wireless playback of high-resolution streaming audio from both smartphones and PCs.\u003c\/p\u003e\n\u003cp\u003eFurthermore, AK HB1 features Bluetooth multi-point capability, allowing connection with up to two devices simultaneously. This feature allows you to effortlessly switch connections between various mobile devices, enabling scenarios like enjoying music from a tablet PC while concurrently receiving notifications and calls on your smartphone.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp Premium Bluetooth\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB_PremiumBTforHi-FiSound_1024x1024.png?v=1697748291\"\u003e\u003c\/p\u003e\n\u003ch2\u003eHigh-Resolution Sound Unleashed by USB DAC\u003c\/h2\u003e\n\u003cp\u003eAK HB1 goes beyond simple Bluetooth playback, delivering outstanding, full high-resolution sound via USB DAC connection to PCs, smartphones, tablets, and more.\u003c\/p\u003e\n\u003cp\u003eSupporting Native DSD256 and 32-bit\/384kHz playback, AK HB1 ensures compatibility with a diverse range of high-quality audio sources, providing Astell\u0026amp;Kern's signature premium sound quality.\u003c\/p\u003e\n\u003cp\u003eAdditionally, equipped with a renderer function that supports MQA 8X, AK HB1 enables MQA playback without the need for external DACs or playback devices. By simply connecting AK HB1 via cable to compatible devices, which support MQA unfolding, you can enjoy MQA audio playback through network-enabled apps and streaming services from anywhere.\u003c\/p\u003e\n\u003cp\u003e*To use AK HB1 as a H\/W MQA renderer, a compatible S\/W core decoder capable of unfolding MQA is required.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp USB DAC\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_Hi-ResSoundUnleashedbyUSBDAC_1024x1024.png?v=1697748352\"\u003e\u003c\/p\u003e\n\u003ch2\u003ePrecision DAC and AMP Design for Hi-Fi Sound\u003c\/h2\u003e\n\u003cp\u003eAK HB1 incorporates ESS’s ES9281AC PRO DAC for exceptional noise control and unparalleled ultra-high-quality Hi-Fi sound performance.\u003c\/p\u003e\n\u003cp\u003eAdding to this, AK HB1 introduces an exclusive AMP circuitry that supersedes the standard built-in DAC AMP.\u003c\/p\u003e\n\u003cp\u003eIts AMP enables a commanding 4Vrms output (in Balanced connection) and dual connectivity options — 3.5mm unbalanced and 4.4mm balanced, catering to a wide range of IEMs and headphones.\u003c\/p\u003e\n\u003cp\u003eWhile maintaining a compact form factor of 33 x 68.4 x 16.5 mm, we used micro resistors and capacitor parts to achieve a small footprint without compromising performance. Carefully selected ultra-small tantalum capacitors, which are used in AK player products to create a stable system and audio performance by controlling the power fluctuations, are also included to create an optimal audio circuit design. In addition, the output and audio performance are enhanced with Astell \u0026amp; Kern's unique power management technology to minimize current consumption in respect of the connected device.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp HIFI DAC\/AMP\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AK_HB1_Studio_007_90c7ac04-38b1-42f3-918a-16d3a4b71f54_1024x1024.png?v=1697748369\"\u003e\u003c\/p\u003e\n\u003ch2\u003eDual Noise Shielded Cable\u003c\/h2\u003e\n\u003cp\u003eTo ensure optimal usability across both Android and iOS devices without the need for additional adapters, AK HB1 features an interchangeable cable that readily supports Type-C and Lightning connections.\u003c\/p\u003e\n\u003cp\u003eThe AK HB1 features a dual shielded cable to minimize noise and deliver a more vivid, original sound.\u003c\/p\u003e\n\u003cp\u003eThe copper core wire is coated with tin to prevent corrosion and strengthen tensile force for enhanced durability.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the entire cable is wrapped in an aluminum film to block noise with an extra layer of shielding around the power cable to further minimize noise, the biggest issue in audio, then the tin-coated copper wire is woven to minimize noise interference to sound.\u003c\/p\u003e\n\u003cp\u003eFinished with a fabric jacket on top of the TPE jacket, the cable features enhanced durability and usability with perfect aesthetic appeal.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp Cable\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AK_HB1_Cable_1024x1024.png?v=1697748388\"\u003e\u003c\/p\u003e\n\u003ch2\u003eEasy and Convenient, USB Plug \u0026amp; Play\u003c\/h2\u003e\n\u003cp\u003eAK HB1 simplifies the transition between Bluetooth and USB cable connections by supporting USB Plug \u0026amp; Play functionality.\u003c\/p\u003e\n\u003cp\u003eConnect AK HB1 to your PC or smart device using a USB cable to enjoy high-resolution sound while simultaneously controlling various settings and features through the app on your Bluetooth-connected smartphone. With BT Priority Mode enabled, AK HB1 seamlessly switches to Bluetooth mode, whenever a Bluetooth signal is received while using the USB DAC function.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp USB Plug and Play\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_EasyandConvenient_USBPlug_Play_1024x1024.png?v=1697748404\"\u003e\u003c\/p\u003e\n\u003ch2\u003eHigh Compatibility and Simultaneous Support for UAC 1.0 \u0026amp; 2.0 for Gaming\u003c\/h2\u003e\n\u003cp\u003eWhile modern smartphones, tablets, and PCs support UAC 2.0 connections, many gaming devices still exclusively support UAC 1.0 connections.\u003c\/p\u003e\n\u003cp\u003eTo cater to both scenarios, AK HB1 ensures compatibility by supporting both UAC 2.0 and UAC 1.0 connections for cross-platform quality sound experiences.\u003c\/p\u003e\n\u003cp\u003eConnect AK HB1 to your gaming device such as PlayStation and Switch, and enjoy low latency and enhanced sound for an immersive gaming experience.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp for Gaming\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_HighCompatibility_UAC1.0_2.0_1024x1024.png?v=1697748428\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSeamless Experience Extended to Cars with Car Mode\u003c\/h2\u003e\n\u003cp\u003eActivate AK HB1's dedicated Car Mode to enjoy high-quality DAC\/AMP sound effortlessly while at the wheel. Simply connect AK HB1 to your vehicle's AUX port, and its power automatically turns on\/off based on your vehicle's ignition, allowing you to enjoy audio from paired devices.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp Dedicated Car Mode\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_CarMode_1024x1024.png?v=1697748447\"\u003e\u003c\/p\u003e\n\u003ch2\u003eCrystal-Clear Voice Calls Thanks to High-Sensitivity MEMS MIC\u003c\/h2\u003e\n\u003cp\u003eAK HB1 ensures crystal-clear voice quality and stability thanks to Knowles's high-quality MEMS microphone technology and Qualcomm's cVc Generation 8.0 call solution with Clear Voice Capture technology, which suppresses ambient noise while delivering clear vocals to the recipient.\u003c\/p\u003e\n\u003cp\u003eFurthermore, AK HB1 incorporates a 4-pole in-line MIC, enabling voice calls via wired earphones.\u003c\/p\u003e\n\u003cp\u003eExperience enhanced call quality alongside AK HB1's exceptional Hi-Fi sound.\u003c\/p\u003e\n\u003cp\u003e*The in-line MIC functionality is only available while USB DAC is enabled. During Bluetooth (BT) connections, the built-in microphone of HB1 handles calls.\u003c\/p\u003e\n\u003cp\u003e*For 4-pole earphones, AK HB1 supports only CTIA-compliant earphones (OMTP-compliant products are not supported).\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp MEMS Mic Diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_Crystal-ClearVoiceCalls_1024x1024.png?v=1697748467\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSmart Charging System\u003c\/h2\u003e\n\u003cp\u003eAK HB1 automatically recognizes devices when they are connected via a USB cable, whether playback or charging devices, streamlining the charging process without requiring additional setting adjustments.\u003c\/p\u003e\n\u003cp\u003eAlso, the charging mode can be turned on\/off to allow simultaneous playback and device charging, preventing battery depletion during playback.\u003c\/p\u003e\n\u003cp\u003e*Charging notes:\u003cbr\u003e1. When connected to a charger via USB, it charges at normal speed (1 hour and 30 minutes to full charge).\u003cbr\u003e2. When connected to a playback device via USB, the charging speed is adjusted, and the charging mode can be turned on\/off.\u003cbr\u003eCharging Mode On: Charges HB1's battery using the playback device's battery power.\u003cbr\u003eCharging Mode Off: Operates only by AK HB1's battery without charging from external devices.\u003c\/p\u003e\n\u003ch2\u003eLED Indicators for Real-Time Status\u003c\/h2\u003e\n\u003cp\u003eTwo LED lights positioned on the side of the AK HB1 give you an overview of the current device status such as the file type being played and battery information.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp LED Indicators\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HB1_LEDIndicators_1024x1024.png?v=1697748497\"\u003e\u003c\/p\u003e\n\u003ch2\u003eEasy Configuration With Our Proprietary App\u003c\/h2\u003e\n\u003cp\u003eInstall the exclusive app to use various functions and enjoy easy setup.\u003c\/p\u003e\n\u003cp\u003eThe AK Control app is equipped with various newly developed user functions for the AK HB1. Users can now conveniently control Device Priority, Volume Level, User EQ setup, Car Mode and DAC Filter setting, etc.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Astell \u0026amp; Kern AK HB1 Portable Wireless DAC\/Amp Proprietary App\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/AK_HB1_App_UI_1024x1024.png?v=1697748520\"\u003e\u003c\/p\u003e\n\u003ch2\u003eIn The Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAK HB1 Portable Bluetooth DAC\/AMP x 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C to USB Type-C Cable x 1\u003c\/li\u003e\n\u003cli\u003eUSB Type-C to Lightning Cable x 1\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide x 1\u003c\/li\u003e\n\u003cli\u003eWarranty Card x 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eModel\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAK HB1\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eBody Color\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eShadow Black\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eBody Material\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003ePolycarbonate (Body) \/ Aluminum (Volume Wheel)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eBluetooth Chipset\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eQualcomm CSR8675\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eBluetooth Version\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eBluetooth Codec\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eLDAC, aptX™ HD, aptX™, AAC, SBC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eBluetooth Profile\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eA2DP, AVRCP, HFP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eDAC\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eESS ES9281AC PRO\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eSample Rate\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\nPCM: 8kHz ~ 384kHz (8\/16\/24\/32 bits per Sample)\u003cbr\u003eDSD Native: DSD64 (1-bit, 2.8MHz), Stereo \/ DSD128 (1-bit, 5.6MHz), Stereo \/ DSD256 (1-bit, 11.2MHz), Stereo\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eOutput Level\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eUnbalanced 2Vrms Balanced 4Vrms (Condition No Load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eInput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eUSB Type-C (Supports UAC 1.0 and UAC 2.0)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eOutput\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e3.5mm (Supports CTIA standard 4-pole earphones\/headphones), 4.4mm (Only 5-pole supported)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eDimensions\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e33mm [W] x 68.4mm [H] x 16.5mm [D] (Excluding volume wheel)\u003cbr\u003e39.8mm [W] x 68.4mm [H] 16.5mm [D] (Including volume wheel)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eWeight\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 1.41oz (40g)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eFeature Enhancements\u003c\/td\u003e\n\u003ctd width=\"636\"\u003eFirmware upgrade supported (OTA with APP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAudio Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eFrequency Response\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e±0.135dB (Condition: 20Hz~20kHz) Unbalanced\u003cbr\u003e±0.136dB (Condition: 20Hz~20kHz) Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eS\/N\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e117dB @ 1kHz, Unbalanced\u003cbr\u003e118dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eCrosstalk\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e-112dB @ 1kHz, Unbalanced\u003cbr\u003e-112dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003eTHD+N\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n0.0005% @ 1kHz, Unbalanced\u003cbr\u003e0.0005% @ 1kHz, Balanced\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eIMD SMPTE\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e0.0003% 800Hz 10kHz (4:1) Unbalanced\u003cbr\u003e0.0003% 800Hz 10kHz (4:1) Balanced\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eOutput Impedance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eUnbalanced Out 3.5mm (0.8ohm)\u003cbr\u003eBalanced Out 4.4mm (1.8ohm)\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eCapacity\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003e600mAh 3.8V Li-Polymer\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003eCharge Time\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 1.5 hours\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"228\"\u003e\n\u003cp\u003ePlayback Time\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"636\"\u003e\n\u003cp\u003eAbout 6 hours (Standard: AAC)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e*Audio was NOT muted during measurement*The image\/specifications may be changed without notice to improve product performance and quality\u003c\/p\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":46412295700713,"sku":"AK_HB1 (OB)","price":255.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/hb1-1_4a5e2609-cc49-4ab0-8fc8-de7aa45209fd.png?v=1762466451"},{"product_id":"astell-kern-a-norma-sr35-audio-player-open-box","title":"Astell \u0026 Kern A\u0026norma SR35 Audio Player (Open Box) - Discontinued","description":"\u003ch2\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 HiFi Sound\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-1.jpg?v=1691784634\"\u003e\u003c\/h2\u003e\n\u003ch2\u003eHi-Fi Sound on-the-go\u003c\/h2\u003e\n\u003cp\u003eThe A\u0026amp;norma series was created to enjoy the premium sounds of Astell\u0026amp;Kern in a portable size with best in class specifications. SR25 MKII, the previous model in the series, was loved by audio enthusiasts and those just starting their personal audio journey thanks to its portable size and powerful Hi-Fi sound through a 4.4-mm balanced jack.\u003c\/p\u003e\n\u003cp\u003eThe A\u0026amp;norma SR35 inherits these strengths while applying the amplifier and audio design that was applied to Astell\u0026amp;Kern's premium products to deliver the authentic sound quality that Astell\u0026amp;Kern are so well known for. The ultra compact SR35 features 20 hours of continuous playback, while supporting Quad DAC and two-step Gain control, and the A\u0026amp;norma line's first introduction of New Generation Amp technology with Astell\u0026amp;Kern's long-standing know-how for an even more delicate and clear Hi-Fi sound at higher output.\u003c\/p\u003e\n\u003cp\u003eWe have also applied our new UI\/UX with improved visuals and usability to the SR35 for a more immersive music experience. In addition to this the SR35 is equipped with Roon Ready and MQA full decoder support to further enhance the performance of our A\u0026amp;norma line.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;Norma SR35 HiFi Sound On The Go\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-7.jpg?v=1691784374\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCS43198 Quad-DAC (Quad\/Dual Switching Mode)\u003c\/li\u003e\n\u003cli\u003eNew Generation AMP Technology\u003c\/li\u003e\n\u003cli\u003e2-Step Gain Mode\u003c\/li\u003e\n\u003cli\u003eNEW UI\/UX - Crimson Theme\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003eDual-Band \u003c\/span\u003eWi-Fi (2.4 \u0026amp; 5 GHz)\u003c\/li\u003e\n\u003cli\u003e20-hour continuous playtime\u003c\/li\u003e\n\u003cli\u003eSupports two-way Bluetooth and LDAC, aptX™ HD\u003c\/li\u003e\n\u003cli\u003eRoon Ready (First in A\u0026amp;norma series)\u003c\/li\u003e\n\u003cli\u003eMQA Full Decoder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuad DAC Mode for True Hi-Fi Sound\u003c\/h2\u003e\n\u003cp\u003eFor the first time in the A\u0026amp;norma series, the SR35 deploys the CS43198 DAC from Cirrus Logic, in Quad DAC configuration. A very well-received DAC praised for its outstanding spatial sense and resolution. In addition to this, a new design of audio circuit has been implemented, incorporating Astell\u0026amp;kern’s unique technologies along with the Quad DAC and our patented TERATON ALPHA technology for outstanding advancement in the dynamics, sense of space, resolution, and level of separation. Furthermore, our latest technologically advanced amplification circuitry, which was only available in our flagship products has now been incorporated to the SR35, boasting a dramatically improved and industry leading SNR of 130dB. A Dual\/Quad DAC Switching mode is offered enabling users to adjust and improve power management efficiency, further improving the long continuous playtime, a core feature of the A\u0026amp;norma series.\u003c\/p\u003e\n\u003cp\u003eThe SR35 supports Native DSD256 and PCM playback of up to 32 bit\/384 kHz allowing you to enjoy true Hi-Fi sound without any restriction and free from distortion.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 DAC Configuration\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-3.jpg?v=1691784422\"\u003e\u003c\/p\u003e\n\u003ch2\u003eThe Essence of Astell\u0026amp;Kern Technology – Equipped with New generation AMP\u003c\/h2\u003e\n\u003cp\u003eAstell\u0026amp;Kern's brand philosophy - refusing to overlook even the smallest differences in sound quality - has been recognized by numerous media and audiophiles through our multiple releases of premium audio players that combine innovative circuits and amplifier technologies.\u003c\/p\u003e\n\u003cp\u003eThe SR35 is equipped with New generation AMP technology that was applied to the A\u0026amp;ultima line so that A\u0026amp;norma users can also enjoy the highest level of sound provided by the A\u0026amp;ultima line with this exclusive inhouse technology.\u003c\/p\u003e\n\u003cp\u003eThe new generation AMP technology applied to the SR35 is Astell\u0026amp;Kern's unique amplifier design that effectively improves noise reduction at high power output. With this new technology, the SR35 contains the same amplifier design as the latest A\u0026amp;ultima and A\u0026amp;futura products, completely transforming into an amplifier design worthy of premium audio, from OPAMP selection to component placement and circuit design.\u003c\/p\u003e\n\u003cp\u003eMoreover, in order to reliably operate different impedance output sources, the current handling capability at the output end is increased to maximize the performance of various devices with one SR35.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg class=\"center\" style=\"float: none;\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 Amp Configuration\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/20230403105902_9e9d464f-5184-4ef6-b285-f5fb0f894036.png?v=1691784926\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003e2-Step Gain Mode for the Perfect Hi-Fi Experience\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor seamless use of sensitive IEMs and hard to drive headphones, a device must provide suitable output, respective of the connected device’s specification.\u003c\/p\u003e\n\u003cp\u003eThe SR35 supports a 2-step Gain Level mode to create the perfect match for a wide range of headphones and IEMs, maintaining optimal sound output. The two-step gain setting with \"Normal Gain\" and \"High Gain\" modes can generate a high current output to create a powerful sound and excellent driver control. With up to 6 Vrms from the balanced connections, driving high-impedance headphones has never been easier.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 Lifestyle Photograph\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-4.jpg?v=1691784512\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSR25 MKII and SR35 Comparison (Output Level, S\/N)\u003c\/h2\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eSR25 MKII\u003c\/td\u003e\n\u003ctd\u003eSR35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level\u003c\/td\u003e\n\u003ctd\u003eUnbal. 2.0Vrms \/ Bal. 4.0Vrms\u003c\/td\u003e\n\u003ctd\u003e[Normal] Unbal. 2.1Vrms \/ Bal. 4.0Vrms \u003cbr\u003e[High] 3.1Vrms \/ Bal. 6.0Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\/N\u003c\/td\u003e\n\u003ctd\u003e122dB @ 1kHz, Unbalanced \u003cbr\u003e124dB @ 1kHz, Balanced\u003c\/td\u003e\n\u003ctd\u003e127dB @ 1kHz, Unbalanced \u003cbr\u003e130dB @ 1kHz, Balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eTERATON ALPHA, \u003cbr\u003eThe Essence of A\u0026amp;K Audio Technologies\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eTERATON ALPHA, AK’s ultimate sound solution, makes it possible to realize high output and Quad DAC for a wide variety of earphones and headphones whilst maintaining long playtime with minimal noise. We advanced the A\u0026amp;norma series one step further with audio technologies from other Astell\u0026amp;Kern products that were praised by countless audio lovers and media reviews as well as TERATON ALPHA gained through years of technical research and development.\u003c\/p\u003e\n\u003cp\u003eTERATON ALPHA, engineered through endless research, is Astell\u0026amp;Kern's unique technology that has been designed to produce audio playback that is as close to the original sound through effective power noise removal, efficient power management and unwavering amplification, and a fully converted audio output interface.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAll-Day Music – Amazing Playtime\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe SR35 provides premium-class audio specifications and genuine Hi-Fi sound by Astell\u0026amp;Kern. Along with the core value of A\u0026amp;norma series that seeks to provide unlimited Hi-Fi audio anywhere and at any time, we offer you the best portability in the digital audio player market, with a class leading long playtime and powerful output.\u003c\/p\u003e\n\u003cp\u003eThe compact size of the SR35 fits easily in your pocket and weighing in at only 184g is light enough to carry without any inconvenience. With a maximum of 20-hour continuous playtime, you can enjoy music without a recharge all day long. The SR35 is the perfect companion that you can use for long-haul flights as well as full days at work and vacations, guaranteeing you Hi-Fi sound anywhere, anytime.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 All Day Playtime\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-6.jpg?v=1691784558\"\u003e\u003c\/p\u003e\n\u003ch2\u003eNew Experience, New User Interface\u003c\/h2\u003e\n\u003cp\u003eThe SR35 comes with a redesigned Crimson-themed UI\/UX transforming into a \"true music player\" for users to deeply connect with their music listening experience.\u003c\/p\u003e\n\u003cp\u003eThe new UI\/UX is designed so that users can quickly browse music categories and re-discover songs within their music library. We also added an easy album art search function so that users can re-discover the joy of viewing and interacting with music album art whilst listening to their music.\u003c\/p\u003e\n\u003cp\u003eThe crimson theme focuses on edge, simplicity, and dark mode keywords. The color theme of black with red highlights lowers visual fatigue and offers intuitive user experiences, and many other improvements were made to the device’s user-friendliness of app service, artist view, album sorting, and the album art search function.\u003c\/p\u003e\n\u003cp\u003eImmerse yourself in music with the new UI\/UX.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 New User Interface\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-5.jpg?v=1691784576\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSound Design by DAC Filter\u003c\/h2\u003e\n\u003cp\u003eWith the SR35, you can pick and choose from four DAC filters to create your own sound style. Design your own sound with 4 different DAC filters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow Latency Fast: Post echo enhances bass sound\u003c\/li\u003e\n\u003cli\u003eLow Latency Slow: Minimal echo reproduces original sound\u003c\/li\u003e\n\u003cli\u003ePhase Compensated Fast: Pre and post echoes make powerful sound\u003c\/li\u003e\n\u003cli\u003ePhase Compensated Slow: Minimal echo reproduces original sound\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRoon Ready and MQA Support for Hi-Fi Fans\u003c\/h2\u003e\n\u003cp\u003eRoon Ready is a service for Hi-Fi fans who wish to play the best Hi-Fi sound without compromise on various devices through network systems. Roon Ready, available on some premium audio products, now comes with the A\u0026amp;norma series for the first time, offering you a SR35-controlled network audio system to deliver the best sound quality.\u003c\/p\u003e\n\u003cp\u003eAdditionally, it supports the full decoder of MQA 8X so that SR35 can play and stream Hi-Fi MQA sound natively, true to the concept of A\u0026amp;norma that plays original sounds anywhere and at any time.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 HiFi Support\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-10.png?v=1691784752\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003ch3\u003eDual-band Wi-Fi (2.4\/5 GHz)\u003c\/h3\u003e\n\u003cp\u003eSR35 offers Dual Band Wi-Fi (2.4\/5 Ghz), providing enhanced network performance to enjoy Hi-Fi music through various streaming and Roon Ready services.\u003c\/p\u003e\n\u003ch3\u003eSupports Native DSD256, 32bit\/384kHz\u003c\/h3\u003e\n\u003cp\u003eSR35 supports Native DSD256 and up to 32bit\/384kHz with Astell\u0026amp;Kern’s excellent audio technology, allowing you to fully enjoy your favorite music.\u003c\/p\u003e\n\u003ch3\u003eReplayGain Automatically and Uniformly Adjusts Playback Volume\u003c\/h3\u003e\n\u003cp\u003eReplayGain, which adjusts sound sources with different volumes to an identical level, has been applied. Now, enjoy your own playlists seamlessly through the ReplayGain feature on SR35. * ReplayGain supports up to 24-bit\/192 kHz sound sources.\u003c\/p\u003e\n\u003ch3\u003eAK File Drop to enjoy wireless transfers\u003c\/h3\u003e\n\u003cp\u003eThe new AK File Drop function in the SR35 makes file transfers easier and more convenient. Using AK File Drop, you can freely transfer files wirelessly through a PC, smartphone, or FTP program located on the same network. Music file management is now possible with a cableless, wireless solution.\u003c\/p\u003e\n\u003ch3\u003eWireless Hi-Fi Sound Through BT Sink\u003c\/h3\u003e\n\u003cp\u003eBT Sink function connects the SR35 to an external device via Bluetooth, similar to connecting a smartphone with a BT speaker. Music from an external device, such as a smartphone can now be played back in high-quality on the SR35 using the BT Sink function.\u003c\/p\u003e\n\u003ch2\u003eDESIGN\u003c\/h2\u003e\n\u003cp\u003eThe SR35 visualizes the powerful portability of the A\u0026amp;norma series into its design.\u003c\/p\u003e\n\u003cp\u003eThe intense dynamics of the A\u0026amp;norma series are symbolized as a mighty warrior's sword and shield on the device. The single bold line on the side and the surface that gets bigger at the bottom represent a sword of battle, and the delicately refined volume control and its concave surface symbolize a shield. These symbolic shapes found in the SR35’s design represent a warrior’s powerful force and characteristic.\u003c\/p\u003e\n\u003cp\u003eAn \"A\" pattern on the rear glass creates a sophisticated rectangular pattern. This unique pattern on the SR35 symbolizes the first use of Quad DAC architecture in the A\u0026amp;norma series.\u003c\/p\u003e\n\u003cp\u003eWe kept our iconic angular display which works perfectly in the hand, further redefining the characteristic of the series.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"center\" alt=\"Astell \u0026amp; Kern A\u0026amp;norma SR35 Design Overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/sr35-2.jpg?v=1691784604\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003eGeneral\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e \n\u003cp\u003eSR35\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e \n\u003cp\u003eCharcoal Gray\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e \n\u003cp\u003eAluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e \n\u003cp\u003e3.6inch HD 720 x 1280 touch screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Audio Formats\u003c\/strong\u003e \n\u003cp\u003eWAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample rate\u003c\/strong\u003e \n\u003cp\u003ePCM : 8kHz ~ 384kHz (8\/16\/24\/32bits per Sample) \u003cbr\u003eDSD Native: DSD64(1bit 2.8MHz), Stereo \/ DSD128(1bit 5.6MHz), Stereo \/ DSD256(1bit 11.2MHz), Stereo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level\u003c\/strong\u003e \n\u003cp\u003e[Normal] Unbalanced 2.1Vrms │ Balanced 4Vrms (Condition No Load) \u003cbr\u003e[High] Unbalanced 3.1Vrms │ Balanced 6Vrms (Condition No Load)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e \n\u003cp\u003eQuad-core\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAC\u003c\/strong\u003e \n\u003cp\u003eCiruss Logic CS43198 x4 (Quad-DAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecoding\u003c\/strong\u003e \n\u003cp\u003eSupport up to 32bit \/ 384kHz Bit to Bit playback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e \n\u003cp\u003eUSB Type-C input (for charging \u0026amp; PC \u0026amp; MAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out (3.5mm), Balanced Out (2.5mm, only 4-pole supported | 4.4m, only 5-pole supported)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e \n\u003cp\u003e802.11 a\/b\/g\/n\/ac (2.4\u0026amp;5GHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e \n\u003cp\u003eV5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e \n\u003cp\u003e2.51” (64mm)[W] x 4.26” (108.3mm)[H] x 0.63” (16.1mm)[D]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e \n\u003cp\u003eabout 6.49oz (184g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature Enhancements\u003c\/strong\u003e \n\u003cp\u003eFirmware upgrade supported (OTA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e \n\u003cp\u003e0℃ ~ + 40℃ (32℉~ 104℉)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAudio\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e \n\u003cp\u003e±0.012dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.011dB (Condition : 20Hz~20kHz) Balanced \u003cbr\u003e±0.125dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.126dB (Condition : 20Hz~70kHz) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\/N\u003c\/strong\u003e \n\u003cp\u003e127dB @ 1kHz, Unbalanced │ 130dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk\u003c\/strong\u003e \n\u003cp\u003e-133dB @ 1kHz, Unbalanced │ -145dB @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N\u003c\/strong\u003e \n\u003cp\u003e0.0005% @ 1kHz, Unbalanced │ 0.0006% @ 1kHz, Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMD SMPTE\u003c\/strong\u003e \n\u003cp\u003e0.0002% 800Hz 10kHz (4:1) Unbalanced │ 0.0002% 800Hz 10kHz (4:1) Balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance\u003c\/strong\u003e \n\u003cp\u003eUnbalanced Out 3.5mm (1.1ohm) │ Balanced Out 2.5mm, 4.4mm (2.7ohm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eClock Source\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClock Jitter\u003c\/strong\u003e \n\u003cp\u003e25pS (Typ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference Clock Jitter\u003c\/strong\u003e \n\u003cp\u003e70ps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStorage Capacity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Memory\u003c\/strong\u003e \n\u003cp\u003e64GB [NAND]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Memory\u003c\/strong\u003e \n\u003cp\u003eMicro SD x1 (Max. 1TB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBattery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e \n\u003cp\u003e3,150mAh 3.7V Li-Polymer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Time\u003c\/strong\u003e \n\u003cp\u003eabout 2.5hours (5V 2A General Charging)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlayback Time\u003c\/strong\u003e \n\u003cp\u003eabout 20hours (Standard : FLAC, 16bit, 44.1kHz, Normal Gain, Unbalanced, Vol.50, LCD Off, Dual DAC Mode)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSupported OS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported OS\u003c\/strong\u003e \n\u003cp\u003eWindows 10, 11(32\/64bit) MAC OS X 10.7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEtc.\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudio was NOT muted during the measurement.\u003c\/li\u003e\n\u003cli\u003eThe image\/specification may be changed without notice to improve product performance and quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astell \u0026 Kern","offers":[{"title":"Default Title","offer_id":46595367043305,"sku":"A\u0026norma SR35 Gray (OB)","price":619.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/SR35_008copy_1e2343cf-5458-4944-bcf0-ed5f12f98924.jpg?v=1762466516"}],"url":"https:\/\/audio46.mom\/collections\/astell-kern.oembed","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}