{"product_id":"fiio-k19-desktop-dac-amp-used","title":"FiiO K19 desktop DAC\/AMP - Excellent - Verified by HiFiLoop","description":"\u003cdiv\u003e\n\u003ch2\u003eThe Audiophile's Hook\u003c\/h2\u003e\n\u003cp\u003eThe FiiO K19 is a flagship desktop DAC and headphone amplifier for listeners who want one compact hub for computer audio, HDMI or ARC decoding, Bluetooth, balanced headphone output, and line-output desktop systems.\u003c\/p\u003e\n\u003ch2\u003eCondition Report (The Truth)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e Excellent -- Very clean, well-cared for, with minor signs of careful use only.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo obvious cosmetic defects observed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersion:\u003c\/strong\u003e K19\u003c\/li\u003e\n\u003cli\u003eComplete standard accessory set included unless otherwise noted.\u003c\/li\u003e\n\u003cli\u003eExcellent condition details are confirmed during quote review.\u003c\/li\u003e\n\u003cli\u003eRepresentative photos shown. Final unit photos and item-specific details are shared during quote confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThe device has passed all functional tests.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eSonic Signature \u0026amp; Pairing\u003c\/h2\u003e\n\u003cp\u003eThe K19 is best treated as a serious desktop control point: confirm the intended input path, headphone load, gain needs, and line-output use before final quote.\u003c\/p\u003e\n\u003cp\u003eIt pairs naturally with full-size headphones and demanding IEMs where balanced output power, flexible decoding, and PEQ control matter.\u003c\/p\u003e\n\u003cp\u003eTo unleash the full potential of this device, we recommend pairing it with gear from our \u003ca href=\"\/collections\/headphones\"\u003eHeadphones Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eTechnical Highlights (Mobile-Table)\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eFiiO K19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDesktop DAC \/ headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eDAC Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eDual ESS ES9039SPRO DACs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eAmplifier\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e8-way THX AAA 788+ amplification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eUSB \/ Bluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eXMOS XU316 USB and QCC5125 Bluetooth decoding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eWorking Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003eUSB DAC, coaxial, optical, HDMI, HDMI ARC, and Bluetooth receiving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border-bottom: 1px solid #eee;\"\u003e4.4mm and XLR4 balanced headphone, 6.35mm headphone, XLR3 balanced line, and RCA line outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFiiO K19 desktop DAC\/AMP\u003c\/li\u003e\n\u003cli\u003eComplete standard accessory set included unless otherwise noted.\u003c\/li\u003e\n\u003cli\u003eFinal included set is confirmed before payment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNext step:\u003c\/strong\u003e Use \u003cstrong\u003eCheck Availability \u0026amp; Quote\u003c\/strong\u003e so HiFiLoop can confirm availability, condition details, included accessories, destination costs, and the final quote before payment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48314797686998,"sku":null,"price":989.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/img_4_00d1ad33-1e5e-4d83-96f9-14e6d811d51a.jpg?v=1780391786","url":"https:\/\/www.hifiloop.com\/products\/fiio-k19-desktop-dac-amp-used","provider":"HiFiLoop","version":"1.0","type":"link"}