{"product_id":"fiio-k7-desktop-dac-headphone-amplifier","title":"FiiO K7 Desktop DAC and Headphone Amplifier","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe FiiO K7 is a desktop DAC and headphone amplifier built around dual AK4493SEQ DAC chips, one per channel, fed by an XMOS XUF208 USB decoder. A dual THX AAA 788+ amplifier stage delivers up to 2000mW into 32Ω balanced or 1220mW single-ended, with enough headroom to drive a 300Ω load to 560mW. The six-stage circuit keeps analog and digital sections truly balanced to reduce crosstalk, with a signal-to-noise ratio of 120dB (A-weighted). It accepts USB, optical, coaxial, and RCA inputs, and outputs through 6.35mm single-ended, 4.4mm balanced, and XLR-4 jacks, with three switchable modes for headphone, speaker, or DAC-only use.\u003c\/p\u003e\u003ch4\u003eSimcoe Audio Video Insight\u003c\/h4\u003e\u003cp\u003eHaving three output modes — headphone, speaker, and DAC-only — on one unit means the K7 can sit at the centre of a desktop setup and switch roles as needed, rather than being locked into either a pure headphone amp or a preamp role.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDual AK4493SEQ DACs with a dual THX AAA 788+ amplifier\u003c\/li\u003e\n\u003cli\u003eUp to 2000mW balanced output into 32Ω\u003c\/li\u003e\n\u003cli\u003eUSB, optical, coaxial, and RCA inputs with three output modes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for the FiiO K7:\u003c\/strong\u003e use the balanced 4.4mm or XLR-4 output with headphones that support it, since the balanced amplifier stage delivers meaningfully more power than the single-ended path.\u003c\/p\u003e\u003ch3\u003eMore Details\u003c\/h3\u003e\u003ch4\u003eWhy It Wins\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual AK4493SEQ DACs\u003c\/strong\u003e: One DAC chip per channel for a fully differential signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual THX AAA 788+ Amplifier\u003c\/strong\u003e: The same amplifier architecture used in FiiO's K9 Pro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree Output Modes\u003c\/strong\u003e: Switch between headphone, speaker, and DAC-only use from one unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat Makes It Different\u003c\/h4\u003e\u003cp\u003eA six-stage, truly balanced analog and digital circuit design is a more involved approach than a typical single-ended desktop DAC\/amp, aimed at reducing crosstalk and noise throughout the signal path rather than just at the output stage.\u003c\/p\u003e\u003ch4\u003eTechnical Highlights\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e120dB Signal-to-Noise Ratio\u003c\/strong\u003e: A-weighted, measured over USB audio class.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e112-Step Volume Control\u003c\/strong\u003e: Fine-grained adjustment via ADC curve reconstruction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Hardware Gain Settings\u003c\/strong\u003e: Matches the amp to different headphone sensitivities.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuyers Guide\u003c\/h3\u003e\u003ch4\u003eWho This Is For\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Desktop Audiophile\u003c\/strong\u003e: Wants a single unit that handles both DAC duties and serious headphone amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Multi-Source User\u003c\/strong\u003e: Benefits from USB, optical, coaxial, and RCA inputs on one device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe High-Impedance Headphone Owner\u003c\/strong\u003e: The K7's power output comfortably drives demanding headphones.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIdeal Use Case\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesktop Computer Audio\u003c\/strong\u003e: As a USB DAC and headphone amp for a PC or Mac.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome Audio Systems\u003c\/strong\u003e: Using the speaker output mode to feed an integrated amp or active speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCritical Headphone Listening\u003c\/strong\u003e: With the balanced 4.4mm or XLR-4 output.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat To Pair It With\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-Size Headphones\u003c\/strong\u003e: Including higher-impedance models, using the balanced output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Computer or Digital Source\u003c\/strong\u003e: Via USB, optical, or coaxial input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Speakers or an Integrated Amp\u003c\/strong\u003e: Using the K7's speaker output mode.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAlternative Options\u003c\/h3\u003e\u003cp\u003eThe K7 is a wired desktop DAC\/amp without Bluetooth. If you want wireless input as well, FiiO also offers a K7 BT variant with Bluetooth 5.1 and LDAC\/aptX support. For a resistor-ladder R-2R DAC design instead of chip-based conversion, FiiO's K11 R2R and K13 R2R, already in our lineup, are worth a look.\u003c\/p\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48355286122717,"sku":"LM-CCYD-VGIH","price":279.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0331\/1930\/5859\/files\/fiio-k7-digital-to-analog-converter-large.png?v=1786381672","url":"https:\/\/www.simcoeav.ca\/products\/fiio-k7-desktop-dac-headphone-amplifier","provider":"Simcoe Audio Video","version":"1.0","type":"link"}