{"product_id":"fiio-k7-balanced-desktop-dac-and-amplifier-open-box","title":"FiiO K7 Balanced Desktop DAC and Amplifier (Open Box)","description":"\u003ch2\u003eK7 A new baseline for balanced desktop sound\u003c\/h2\u003e\n\u003cp\u003eTruly balanced headphone amp | THX AAA 788+ amp technology | Dual AK4493S DACs \u003cbr\u003eMultiple intelligent protection systems | Power supply with numerous independent LDOs \u003cbr\u003eIncluded 12V\/24W low-noise switching power supply | RGB status indicators \u003cbr\u003e3 output modes | Two levels of hardware gain | Numerous outputs and inputs\u003c\/p\u003e\n\u003ch3\u003eTruly balanced decoding and amplification\u003c\/h3\u003e\n\u003cp\u003eThe K7 has a six-stage audio circuit with truly balanced analog and digital sections – which helps to reduce crosstalk and reproduce music to a great extent, allowing you to better enjoy the purity of your music.\u003c\/p\u003e\n\u003ch3\u003eDemocratized high-quality balanced amplification \u003cbr\u003eCouldn’t sound better\u003c\/h3\u003e\n\u003cp\u003eUsing the same THX AAA 788+ amplifiers as the K9 Pro, the K7 is capable of outputting 560mW into a 300Ω load at 1% distortion, and 2000mW into a 32Ω load at 1% distortion. This ensures both low and high impedance headphones are powered with aplomb, and most importantly lets you experience musicality that’s sure to tug at your heartstrings.\u003c\/p\u003e\n\u003ch3\u003eDual AK4493SEQ Rich and delicate overall sound\u003c\/h3\u003e\n\u003cp\u003eThe left and right channels are each equipped with an efficient high-performance AK4493SEQ. With this DAC’s pleasant timbre, its rich and delicate overall sound will let you rediscover your music all over again.\u003c\/p\u003e\n\u003ch3\u003eRobust decoding capabilities \u003cbr\u003eTake a trip around the music world\u003c\/h3\u003e\n\u003cp\u003eThe XMOS XUF208 decoder chip uses dual clock management to handle various music formats with ease, allowing you to easily listen to many audio formats. \u003c\/p\u003e\n\u003ch3\u003eRGB indicator lights For a colorful entrance\u003c\/h3\u003e\n\u003cp\u003eThe RGB indicator lights are capable of displaying single colors as well as mixed colors, with a unique light flow effect during power-on\/off or input switching. Dazzling and vivid light effects give your desk some much needed spice.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"RGB indicator lights\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/6763048copy.jpg?v=1682368081\"\u003e\u003c\/p\u003e\n\u003ch3\u003eMultiple intelligent protection systems Worry-free listening\u003c\/h3\u003e\n\u003cp\u003eOverheating, overload, DC protection systems ensure that the K7 always operates at its best, so you can always enjoy a wonderful listening experience in multiple scenarios.\u003c\/p\u003e\n\u003ch3\u003eConsistent inside and out For pure clean listening\u003c\/h3\u003e\n\u003cp\u003eThe K7 features a power design consisting of multiple independent stages, with a voltage of each stage being regulated by low-noise LDOs. Feeding this power design is an external 12V switching power supply. All in all, the K7’s power design is designed to supply plentiful, clean power for an extraordinary listening experience.\u003c\/p\u003e\n\u003ch3\u003eNumerous exciting possibilities All within reach\u003c\/h3\u003e\n\u003ch4\u003eVariety of inputs and outputs All in one place\u003c\/h4\u003e\n\u003cp\u003eThe K7 contains USB, optical, coaxial, and RCA inputs. Outputs are 6.35mm single-ended and 4.4mm balanced for pleasant listening no matter the headphones.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"Inputs and Outputs\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/6775382copy.jpg?v=1682368452\"\u003e\u003c\/p\u003e\n\u003ch4\u003eInput switching With just one click\u003c\/h4\u003e\n\u003cp\u003eOne key controls switching between the 4 different inputs, with a flowing light effect to indicate when the input has switched and is ready.\u003c\/p\u003e\n\u003ch4\u003e3 different outputs With just one touch\u003c\/h4\u003e\n\u003cp\u003eOne touch of a handy key allows you to switch between 3 output modes (for use with headphones, with speakers, or use as a DAC). \u003c\/p\u003e\n\u003ch3\u003eTwo gain levels Find a comfortable volume\u003c\/h3\u003e\n\u003cp\u003eThe high and low hardware gain levels allow you to easily adjust the K7 to handle headphones of various impedances and sensitivities for a rich and consistent listening experience.\u003c\/p\u003e\n\u003ch3\u003eQuality construction For an elegant air\u003c\/h3\u003e\n\u003cp\u003eThe K7 features an all-aluminum alloy construction, carefully finished with CNC and other processes. Its elegant black color is perfectly complemented by the gold accents of THX and Hi-Res Audio badges topped with a splash of color from the RGB lights for a thoroughly luxurious appearance.\u003c\/p\u003e\n\u003ch3\u003ePrecisely tuned volume For truly moving experience\u003c\/h3\u003e\n\u003cp\u003eThanks to ADC curve reconstruction, experience a smooth 112 steps of adjustable volume free of channel imbalances and noise – ensuring that every note is faithfully reproduced.\u003c\/p\u003e\n\u003ch3\u003eLightweight all-in-one Simple and elegant  \u003c\/h3\u003e\n\u003cp\u003eThe K7 features a petite design that only measures 55mm thick and with a footprint of less than 1\/3 of an A4-sized sheet of paper – allowing it to fit perfectly on modern desks. \u003c\/p\u003e\n\u003ch3\u003eA jack of all trades Capable under any scenario\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConnecting to smartphones via USB-B to Type-C cable\u003c\/li\u003e\n\u003cli\u003eConnecting to desktop DACs\u003c\/li\u003e\n\u003cli\u003eConnecting to desktops or laptops via USB\u003c\/li\u003e\n\u003cli\u003eConnecting to smartphones via USB-B to Type-C cable\u003c\/li\u003e\n\u003cli\u003eConnecting to desktop DACs\u003c\/li\u003e\n\u003cli\u003eConnecting to external amplifiers or active speakers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbundant Accessories\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePower cable x1\u003c\/li\u003e\n\u003cli\u003ePower adapter x1\u003c\/li\u003e\n\u003cli\u003eUSB cable x1\u003c\/li\u003e\n\u003cli\u003eQuick start guide x1\u003c\/li\u003e\n\u003cli\u003eWarranty card x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBasic Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDAC: AK4493SEQ*2 \u003c\/li\u003e\n\u003cli\u003eDecoder: XMOS XUF 208\u003c\/li\u003e\n\u003cli\u003eAmplifier: Dual THX AAA 788+ \u003c\/li\u003e\n\u003cli\u003eOutputs: 6.35mm\/4.4mm\u003c\/li\u003e\n\u003cli\u003eInputs: USB\/OPT\/COAX\/RCA\u003c\/li\u003e\n\u003cli\u003eOutput power 1: ≥2000mW (32Ω, balanced\/THD+N＜1%) \u003c\/li\u003e\n\u003cli\u003eOutput power 2: ≥1220mW (32Ω, single-ended\/THD+N＜1%) \u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: ≥120dB ( A-weighted, UAC) \u003c\/li\u003e\n\u003cli\u003eNoise floor: PO＜4.4μV (A-weighted, UAC); BAL＜7.7μV (A-weighted, UAC) \u003c\/li\u003e\n\u003cli\u003eOutput impedance: ＜1Ω (32Ω load) \u003c\/li\u003e\n\u003cli\u003eWeight: About 610g\u003c\/li\u003e\n\u003cli\u003eDimensions: About 120mm×168mm×55mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable border=\"1\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\u003cstrong\u003eGeneral specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eName \/ Model No. \u003c\/td\u003e\n\u003ctd\u003eK7\u003c\/td\u003e\n\u003ctd\u003eHardware solution \u003c\/td\u003e\n\u003ctd\u003eDAC: AK4493S*2 , USB: XMOS XUF208 , Voume IC：NJU72315 * 2, AMP：THX AAA 788+ * 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor \u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eVolume Scroll\u003c\/td\u003e\n\u003ctd\u003ePotentiometer+ADC Sampling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e≈610g\u003c\/td\u003e\n\u003ctd\u003eFiiO Control\u003c\/td\u003e\n\u003ctd\u003eUnsupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003eL\/H\u003c\/td\u003e\n\u003ctd\u003eFirmware upgrade\u003c\/td\u003e\n\u003ctd\u003eXMOS can be upgraded via USB \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum supported sampling rate\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePCM 384kHz-32bit\/DSD256（USB DAC）\u003c\/p\u003e\n\u003cp\u003ePCM 192kHz-24bit（COAX）\u003c\/p\u003e\n\u003cp\u003ePCM 96KHz-24bit（OPT）\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003eSampling rate indication\u003c\/td\u003e\n\u003ctd\u003eBlue：44.1KHz\/48KHz\u003cbr\u003eYellow：88.2\/96\/176.4\/192\/352.8\/384KHz\u003cbr\u003eGreen：DSD64\/128\/256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended headphone impedance\u003c\/td\u003e\n\u003ctd\u003e16~300Ω\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\u003cstrong\u003eButtons and interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButtons\u003c\/td\u003e\n\u003ctd\u003einput button*1+gain switch*1+output switch*1\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003ctd\u003eUSB B（data）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLINE IN\u003c\/td\u003e\n\u003ctd\u003eRCA sockets\u003c\/td\u003e\n\u003ctd\u003eLINE OUT\u003c\/td\u003e\n\u003ctd\u003eRCA sockets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOPT IN\u003c\/td\u003e\n\u003ctd\u003eTOSLINK\u003c\/td\u003e\n\u003ctd\u003eCOAX IN\u003c\/td\u003e\n\u003ctd\u003eRCA sockets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBAL PO\u003c\/td\u003e\n\u003ctd\u003eStandard 4.4mm port\u003c\/td\u003e\n\u003ctd\u003eSE PO\u003c\/td\u003e\n\u003ctd\u003eStandard 6.35 mm port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\u003cstrong\u003ePower parameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003eDC 12V\/2A\u003c\/td\u003e\n\u003ctd\u003eBattery capacity \u003c\/td\u003e\n\u003ctd\u003e\/\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003e\u003cstrong\u003eAudio parameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003eLine output performance parameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"4\"\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20Hz~20KHz：±＜0.4dB（UAC)\u003c\/td\u003e\n\u003ctd\u003eCrosstalk\u003c\/td\u003e\n\u003ctd\u003e≥102dB (1kHz\/10kΩ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~20kHz：±＜0.8dB(SPDIF  IN )\u003c\/td\u003e\n\u003ctd\u003eNoise floor\u003c\/td\u003e\n\u003ctd\u003e＜3μV（dbA）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~50KHz：±＜2.2dB（UAC)\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003eSNR\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003e≥116dB (dbA，UAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~50kHz：±＜1.7dB(SPDIF  IN )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD+N\u003c\/td\u003e\n\u003ctd\u003e＜0.0005%(1kHz\/10kΩ\/dbA)\u003c\/td\u003e\n\u003ctd\u003eOutput level         \u003c\/td\u003e\n\u003ctd\u003e≥2Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003eHeadphone output performance parameters（6.35mm）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003eOutput power1\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003eL+R≥1220mW+1220mW（32Ω \/THD+N＜1%)\u003c\/td\u003e\n\u003ctd\u003eOutput impedance\u003c\/td\u003e\n\u003ctd\u003e＜1Ω（32Ω） \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrosstalk\u003c\/td\u003e\n\u003ctd\u003e≥77dB (1 kHz\/32Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput power2\u003c\/td\u003e\n\u003ctd\u003eL+R≥140mW+140mW（300Ω \/ THD+N＜1%)\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003eNoise floor\u003c\/td\u003e\n\u003ctd\u003e＜3.1μV（dbA，AUX  IN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"4\"\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20Hz~20KHz：±＜0.3dB（UAC)\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003e＜4.4μV（dbA，UAC）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~20kHz：±＜0.7dB(SPDIF  IN )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~50KHz：±＜2.1dB（UAC)\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003eSNR\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003e≥128dB (dbA，AUX IN）\u003cbr\u003e≥120dB (dbA，UAC）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~50kHz：±＜1.6dB(SPDIF  IN )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD+N\u003c\/td\u003e\n\u003ctd\u003e＜0.0003% (1 kHz\/32Ω\/dbA)\u003c\/td\u003e\n\u003ctd\u003ePeak output voltage\u003c\/td\u003e\n\u003ctd\u003e≥18.9Vpp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"4\"\u003eBalanced headphone output performance parameters（4.4mm）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003eOutput power2\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003eL+R≥2000mW+2000mW（32Ω \/THD+N＜1%)\u003c\/td\u003e\n\u003ctd\u003eOutput impedance\u003c\/td\u003e\n\u003ctd\u003e＜1Ω（32Ω）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrosstalk\u003c\/td\u003e\n\u003ctd\u003e≥124dB(1 kHz\/32Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput power3\u003c\/td\u003e\n\u003ctd\u003eL+R≥560mW+560mW（300Ω \/ THD+N＜1%)\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003eNoise floor\u003c\/td\u003e\n\u003ctd\u003e＜5.1μV（dbA，AUX  IN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"4\"\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20Hz~20KHz：±＜0.3dB（UAC)\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003e＜7.7μV（dbA，UAC）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~20kHz：±＜0.7dB(SPDIF  IN )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~50KHz：±＜2.1dB（UAC)\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003eSNR\u003c\/td\u003e\n\u003ctd rowspan=\"2\"\u003e≥128dB (dbA，AUX IN）\u003cbr\u003e≥120dB (dbA，UAC）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20Hz~50kHz：±＜1.6dB(SPDIF  IN )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD+N\u003c\/td\u003e\n\u003ctd\u003e＜0.0003% (1 kHz\/32Ω\/dbA)\u003c\/td\u003e\n\u003ctd\u003ePeak output voltage\u003c\/td\u003e\n\u003ctd\u003e≥37.7Vpp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eComparison\u003c\/h2\u003e\n\u003ctable border=\"1\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eK5Pro ESS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eK7\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003e\u003cstrong\u003eAppearance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eDimension\u003c\/td\u003e\n\u003ctd\u003e≈120x130x55mm\u003c\/td\u003e\n\u003ctd\u003e≈120x168x55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e≈480g\u003c\/td\u003e\n\u003ctd\u003e≈610g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"5\"\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eUSB port\u003c\/td\u003e\n\u003ctd\u003eUSB-B\u003c\/td\u003e\n\u003ctd\u003eUSB-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eLO ports\u003c\/td\u003e\n\u003ctd rowspan=\"1\"\u003eRCA Line Out、RCA Line in\u003c\/td\u003e\n\u003ctd rowspan=\"1\"\u003eRCA Line Out、RCA Line in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eOPT port\u003c\/td\u003e\n\u003ctd\u003eStandard TOSLINK\u003c\/td\u003e\n\u003ctd\u003eStandard TOSLINK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eCOAX port\u003c\/td\u003e\n\u003ctd\u003eStandard RCA\u003c\/td\u003e\n\u003ctd\u003eStandard RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003ePO ports\u003c\/td\u003e\n\u003ctd\u003e6.35mm\u003c\/td\u003e\n\u003ctd\u003e6.35mm, 4.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"8\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003eToggles\u003c\/td\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003eUSB IN\/LINE IN\/SPDIF IN\u003c\/td\u003e\n\u003ctd\u003eUSB\/OPT\/COAX\/LINE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003ePO\/LO\/PRE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eGain\u003c\/td\u003e\n\u003ctd\u003eH\/M\/L\u003c\/td\u003e\n\u003ctd\u003eH\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eVolume knob\u003c\/td\u003e\n\u003ctd\u003eVolume control and power on\/off\u003c\/td\u003e\n\u003ctd\u003eVolume control and power on\/off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eIndicator\u003c\/td\u003e\n\u003ctd\u003e≤48K：Blue\u003cbr\u003e≥48K：Yellow\u003cbr\u003eDSD：Green\u003c\/td\u003e\n\u003ctd\u003e≤48K：Blue\u003cbr\u003e≥48K：Yellow\u003cbr\u003eDSD：Green\u003cbr\u003eThe light circle shows multiple colors when powering on and switching inputs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eDAC\u003c\/td\u003e\n\u003ctd\u003eES9038Q2M*1\u003c\/td\u003e\n\u003ctd\u003eAK4493SEQ*2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eVolume chips\u003c\/td\u003e\n\u003ctd\u003e NJW1195AV\u003c\/td\u003e\n\u003ctd\u003eNJU72315+OP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eXMOS\u003c\/td\u003e\n\u003ctd\u003eXMOS XUF208\u003c\/td\u003e\n\u003ctd\u003eXMOS XUF208\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"8\"\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003eOutput power\u003cbr\u003e THD+N＜1%\u003c\/td\u003e\n\u003ctd\u003ePO\u003c\/td\u003e\n\u003ctd\u003e≥1250mW(32Ω，THD+N＜1% UAC）\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e-\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBAL\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e≥2000mW（32Ω ，THD+N＜1%，UAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise-floor\u003c\/td\u003e\n\u003ctd\u003eBAL\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e＜5.1μV（A计权，AUX  IN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003eSNR（dbA+lowpass）\u003c\/td\u003e\n\u003ctd\u003ePO\u003c\/td\u003e\n\u003ctd\u003e≥118dBrA(UAC)\u003c\/td\u003e\n\u003ctd\u003e≥123dBrA(UAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLO\u003c\/td\u003e\n\u003ctd\u003e≥115dBrA（UAC）\u003c\/td\u003e\n\u003ctd\u003e≥120dBrA（UAC）\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"1\" rowspan=\"2\"\u003eTHD+N\u003c\/td\u003e\n\u003ctd\u003ePO（UAC）\u003c\/td\u003e\n\u003ctd\u003e＜0.0009%(1 kHz，32Ω，dbA)\u003c\/td\u003e\n\u003ctd\u003e＜0.00028% (1 kHz，32Ω，dbA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLO（UAC）\u003c\/td\u003e\n\u003ctd\u003e＜0.0012%(1kHz，10kΩ，dbA)\u003c\/td\u003e\n\u003ctd\u003e＜0.0005%(1kHz，10kΩ，dbA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003eCrosstalk\u003c\/td\u003e\n\u003ctd\u003ePO：≥80dB（1 kHz 32Ω USB DAC）\u003cbr\u003eLO：≥98dB （1 kHz 32Ω USB DAC） \u003c\/td\u003e\n\u003ctd\u003ePO：≥77dB (1 kHz 32Ω，USB DAC)\u003cbr\u003eBAL：≥124dB(1 kHz 32Ω，USB DAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":45198400291049,"sku":"K7 Black (OB)","price":197.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/6772888copy_e65e6850-ada4-47f6-91c6-28ec8570c1b0.jpg?v=1762465186","url":"https:\/\/audio46.mom\/products\/fiio-k7-balanced-desktop-dac-and-amplifier-open-box","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}