{"product_id":"ifi-pro-idsd-signature-dac-amp-and-streamer-open-box","title":"iFi Pro iDSD Signature DAC\/amp and Streamer (Open box)","description":"\u003ch2\u003eStandalone. Streamer. DAC\/amp. All with the X-factor.\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe Pro iDSD Signature is our new reference-class flagship.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eENHANCEMENTS TO SIGNATURE EDITION:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRevised circuit design incorporates even more ultra-grade audiophile components \u003c\/li\u003e\n\u003cli\u003eTop-of-the-range iPower Elite offboard AC\/DC power supply included \u003c\/li\u003e\n\u003cli\u003eUpgraded power supply circuits – eradicates signal noise\/distortion \u003c\/li\u003e\n\u003cli\u003eHand-selected and matched tubes in output stage \u003c\/li\u003e\n\u003cli\u003eNew aluminium remote control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTop of line DAC and so much more.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e is our new flagship reference class DAC and then some! The Signature edition builds on the strengths of the original, multi-award winning Pro iDSD.\u003c\/p\u003e\n\u003cp\u003eIt continues to cater for those who love good music delivered at the highest quality.\u003c\/p\u003e\n\u003cp\u003eUse the \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e as a \u003cem\u003e\u003cstrong\u003estandalone \u003c\/strong\u003e\u003c\/em\u003eunit, a \u003cem\u003e\u003cstrong\u003eDAC\/preamp\u003c\/strong\u003e\u003c\/em\u003e, a \u003cstrong\u003e\u003cem\u003enetwork streamer\u003c\/em\u003e\u003c\/strong\u003e and a \u003cstrong\u003e\u003cem\u003eheadphone amplifier\u003c\/em\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eA Signature step up\u003c\/h2\u003e\n\u003cp\u003eThe Signature takes the original Pro iDSD and pushes it even further towards perfection.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e has:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ea sonically darker background and a punchier bass\u003c\/li\u003e\n\u003cli\u003eupgraded power -supply components to lower the overall system noise by 300%\u003c\/li\u003e\n\u003cli\u003eprecisely matched NOS GE5670s tubes\u003c\/li\u003e\n\u003cli\u003eadded support for USB1.0 \u003cstrong\u003e(PS4\/PS5)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ea new aluminium remote control\u003c\/li\u003e\n\u003cli\u003ea top-of the range \u003cstrong\u003e\u003cem\u003eiPower Elite\u003c\/em\u003e\u003c\/strong\u003e power supply included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eStacked. With tech.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e uses a quad-stack DAC – 4 x DACs in an interleaved configuration – to deliver exceptional resolution.\u003c\/p\u003e\n\u003cp\u003eThe powerful XMOS XU216 X-Core 200 series chipset processes incoming digital data and enables the \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e to provide state of the art audio support – from MP3, 32-bit\/768kHz PCM, DSD512, 2xDXD and full MQA decoding.\u003c\/p\u003e\n\u003cp\u003eThanks to the Crysopeia FPGA Digital Engine the \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e brings studio grade DSD remastering to a wider audience. It can upconvert PCM and DSD files to DSD512 and \u003cstrong\u003eDSD1024\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAnd all controlled from an app in the palm of your hand.\u003c\/p\u003e\n\u003ch2\u003eE-tailoring\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e, like its predecessor, takes sonic tailoring to the extreme.\u003c\/p\u003e\n\u003cp\u003eListen to the your music to in solid-state, tube or tube+ modes, your choice, all at the flick of a switch.\u003c\/p\u003e\n\u003cp\u003eOur Crysopeia FPGA Digital Engine strikes again as it enables the \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e to offer several options when it comes to digital filtering. The \u003cem\u003e\u003cstrong\u003eGTO filter\u003c\/strong\u003e\u003c\/em\u003e adds gravitas and a new dimension, and while the Bit Perfect, Bit Perfect+, Apodising and Transient Aligned filters give you even more choices to tweak the sound.\u003c\/p\u003e\n\u003cp\u003eThe discrete, fully balanced Class A amplifier stage offers adjustable gain.\u003c\/p\u003e\n\u003ch2\u003eYour choice. The only choice.\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStream wirelessly from Tidal, Spotify, Napster, QQ Music and more\u003c\/li\u003e\n\u003cli\u003eUse Airplay to enjoy playback from your iPhone, iPad or Mac\u003c\/li\u003e\n\u003cli\u003eGo wired via an Ethernet connection to play from a router or NAS (Network Attached Storage)\u003c\/li\u003e\n\u003cli\u003eUse DLNA network audio playback with smartphones, tablets, Windows\/Linux computers\u003c\/li\u003e\n\u003cli\u003eConnect to a hard disc drive (HDD)\u003c\/li\u003e\n\u003cli\u003ePop in a USB memory stick or SDHC card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAnd with a variety of headphone outputs – Single-Ended 6.3mm, S-Balanced 3.5mm and Balanced 4.4mm – the only choice is your choice.\u003c\/p\u003e\n\u003ch2\u003ePower cleans. Absolute.\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e, ships with our flagship iPOWER Elite.\u003c\/p\u003e\n\u003cp\u003eCoupled with the re-crafted power supply board which offers up to 100x lower noise, the music is buttery smooth.\u003c\/p\u003e\n\u003cp\u003eWithin and without – we left no stone unturned in our quest for the cleanest, purest, power for the Pro iDSD Signature (same for Pro iCAN Signature too!)\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e has a ‘quad stack’ of Bit-Perfect DSD and DXD DACs by Burr-Brown. The ‘interleaved’ configuration means up to 8 pairs of differential signals can be used and mixed, equal to 4 pairs of signals per channel.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e employs the new XMOS XU216 X-Core 200 Series 16-Core processor. All-digital processing is Bit-Perfect unless particular digital filters are explicitly selected.\u003c\/li\u003e\n\u003cli\u003eUpsampling to DSD1024 has previously only been available to a select few. The \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e makes it available to a wider audience. The DSD1024 remastering is handled by the \u003cstrong\u003e\u003cem\u003eCrysopeia® FPGA\u003c\/em\u003e\u003c\/strong\u003e and this is where we believe the FPGA excels.\u003c\/li\u003e\n\u003cli\u003eData is sent to the Memory Buffer from all inputs. Here it is de-jittered to eliminate any transmission of source jitter to the DAC output. The data from the Memory Buffer is further re-clocked by the low-jitter \u003cstrong\u003e\u003cem\u003eGlobal Master Timing®\u003c\/em\u003e\u003c\/strong\u003e clock, which also drives the X-Core 200 and FPGA.\u003c\/li\u003e\n\u003cli\u003eWith LINKPLAY™ WiFi\/network playback, built-in Spotify and Tidal, and wide protocol support for 32-Bit\/192kHz and DSD64, the \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e can be also used without a computer to stream audio directly.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation is the ‘holy grail’ of computer audio.\u003cbr\u003eAll inputs are galvanically-isolated (including USB). The USB input section has its own separate power management system with multiple regulators and filtering operating from the galvanically-isolated voltage generated to power this section.\u003c\/li\u003e\n\u003cli\u003eUnlike other amplifiers that have the same circuit and just switch in\/out the tube section, the original Pro iDSD and now the \u003cstrong\u003ePro iDSD\u003c\/strong\u003e \u003cstrong\u003eSignature\u003c\/strong\u003e are among the very first to have two individual input circuits – one tube (General Electric 5670 tubes!) and one solid-state.\u003cbr\u003eThis results in the ‘best sonics of both worlds’.\u003c\/li\u003e\n\u003cli\u003eThe amplifier audio circuit is fully discrete, fully-balanced with either tube or J-FET input switchable, bipolar second stage and MOSFET-buffered bipolar Class A Power stage.\u003c\/li\u003e\n\u003cli\u003eThe amplifier audio circuit is fully discrete, fully-balanced with either tube or J-FET input switchable, bipolar second stage and MOSFET-buffered bipolar Class A Power stage.\u003cbr\u003eWe’ve given the \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e an extra \u003cstrong\u003e\u003cem\u003eTube+\u003c\/em\u003e\u003c\/strong\u003e setting. This reduces overall loop-gain and negative feedback to the minimum and presents a different sonic perspective between the tube’s natural harmonics and transient performance.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e is packed full of premium components – a Japan Alps rotary volume potentiometer, audio-grade ELNA Silmic capacitors and a bank of Elna Dynacaps ‘super capacitors’.\u003c\/li\u003e\n\u003cli\u003eMQA (Master Quality Authenticated)\u003cbr\u003eMQA 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. The \u003cstrong\u003ePro iDSD Signature\u003c\/strong\u003e adopts MQA technology to receive and decode MQA audio and provide master-level sound.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample rates\u003c\/td\u003e\n\u003ctd\u003ePCM 768kHz \/ DSD 49.152MHz (DSD 1024) \/ MQA 352.8KHz\/DXD (2xDXD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eUSB \/ AES3 (XLR) \/ S\/PDIF (coaxial\/optical combo) BNC \/ Ethernet \/ Wi-Fi \/ Micro SD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters\u003c\/td\u003e\n\u003ctd\u003eBit Perfect \/ Bit Perfect+ \/ Gibbs Transient Optimised \/ Apodising \/ Transient Aligned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003eUser-selectable: 0dB, 9dB and 18dB\u003cbr\u003e(headphone section)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003e119dBA\u003cbr\u003e(solid-state, PCM, -60dBFS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput power\u003c\/td\u003e\n\u003ctd\u003e(16, balanced\/single-ended): \u0026gt;4,200mW \/1\u0026gt;1,575mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput voltage\u003c\/td\u003e\n\u003ctd\u003e(600, balanced\/single-ended): \u0026gt;11.7V \/ \u0026gt;5.9V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage (Pro iDSD)\u003c\/td\u003e\n\u003ctd\u003eDC 9V\/6.7A – 18V\/3.35A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage (iPower Elite)\u003c\/td\u003e\n\u003ctd\u003eAC 85 – 265V, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 22W idle, 50W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e213 x 220x 63 mm\u003cbr\u003e8.4\" x 8.7\" x 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e1980 g\u003cbr\u003e4.37 Ibs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"iFi","offers":[{"title":"Default Title","offer_id":42559568806121,"sku":"Pro iDSD Signature (OB)","price":2924.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/DSCF7476_3c1edd0a-a958-46f4-823f-1e3535a8819c.jpg?v=1759442893","url":"https:\/\/audio46.mom\/products\/ifi-pro-idsd-signature-dac-amp-and-streamer-open-box","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}