{"product_id":"fiio-k13","title":"FiiO K13 R2R Desktop DAC Headphone AMP","description":"\u003cstyle\u003e\n  body {font-family: Arial, sans-serif; background: #f9fafc; color: #222; margin: 20px;}\n  .container {max-width: 940px; margin: 0 auto; background: #fff; border-radius: 12px; box-shadow: 0 6px 18px rgba(0,0,0,.08); padding: 28px;}\n  h2 {font-size: 22px; margin: 18px 0 10px; color: #0b4a82;}\n  p {line-height: 1.75; margin: 8px 0;}\n  ul {margin: 8px 0 16px 20px;}\n  li {margin: 6px 0;}\n  .badges span {display: inline-block; background: #eef6ff; border: 1px solid #d4e6ff; color: #0b4a82; padding: 6px 11px; border-radius: 999px; margin: 5px 6px 0 0; font-size: 13px;}\n  .specs {width: 100%; border-collapse: collapse; margin-top: 12px;}\n  .specs th, .specs td {border: 1px solid #e6e6e6; padding: 10px 12px; text-align: left; vertical-align: top;}\n  .specs th {background: #fafafa; width: 260px;}\n  .note {font-size: 13px; color: #666; margin-top: 10px;}\n\u003c\/style\u003e\n\u003cdiv class=\"container\"\u003e\n\u003ch2\u003eFiiO K13 R2R Desktop DAC Headphone Amplifier\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\"High-Fidelity Audio with Cutting-Edge R2R Technology\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eFiiO K13 R2R\u003c\/strong\u003e combines a \u003cstrong\u003efully differential true 24-bit R2R DAC\u003c\/strong\u003e, \u003cstrong\u003e2400mW output power\u003c\/strong\u003e, and \u003cstrong\u003eLDAC Bluetooth streaming\u003c\/strong\u003e into a versatile desktop DAC and headphone amplifier. Designed for audiophiles, it features dual NOS\/OS modes, a 10-band high-precision PEQ, and powerful amplification to deliver exceptional sound quality.\u003c\/p\u003e\n\u003cdiv class=\"badges\"\u003e\n\u003cspan\u003e24-bit R2R DAC\u003c\/span\u003e \u003cspan\u003e2400mW Output\u003c\/span\u003e \u003cspan\u003eLDAC Bluetooth\u003c\/span\u003e \u003cspan\u003eDual NOS\/OS Modes\u003c\/span\u003e \u003cspan\u003e10-Band PEQ\u003c\/span\u003e \u003cspan\u003eFully Balanced Circuit\u003c\/span\u003e \u003cspan\u003eDC\/AC Dual Power Supply\u003c\/span\u003e \u003cspan\u003eHi-Res Audio Support\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-Bit R2R DAC\u003c\/strong\u003e — FiiO's proprietary four-channel fully differential DAC composed of 192 precision resistors, delivering rich and musical sound with low noise and fewer harmonics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2400mW Output Power\u003c\/strong\u003e — Drives high-fidelity IEMs and headphones effortlessly, providing a detailed and dynamic audio experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual NOS\/OS Modes\u003c\/strong\u003e — NOS mode preserves the original sampling rate for an organic sound, while OS mode upsamples to 384kHz for enhanced clarity and detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLDAC Bluetooth Streaming\u003c\/strong\u003e — Supports high-quality Bluetooth audio streaming, allowing you to enjoy high-fidelity sound wirelessly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-Band High-Precision PEQ\u003c\/strong\u003e — Customize your sound with precision equalization, including preset tuning options and the ability to adjust frequency response for a personalized listening experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Balanced Amplifier Circuit\u003c\/strong\u003e — The K13 R2R features a balanced audio path to minimize distortion and provide excellent interference rejection for a cleaner and more accurate sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Power Supplies\u003c\/strong\u003e — Features both DC and AC power inputs, with a high-performance switching power supply and support for external linear power supply for improved sound quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Name\u003c\/th\u003e\n\u003ctd\u003eFiiO K13 R2R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC\u003c\/th\u003e\n\u003ctd\u003eFully differential 24-bit R2R resistor arrays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Power (Balanced)\u003c\/th\u003e\n\u003ctd\u003e2400mW+2400mW (32Ω load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Power (Single-ended)\u003c\/th\u003e\n\u003ctd\u003e1220mW+1220mW (32Ω load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInputs\u003c\/th\u003e\n\u003ctd\u003eUSB (384kHz\/32bit, DSD256), Coaxial (192kHz\/24bit, DSD64), Optical (192kHz\/24bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eLDAC, Bluetooth 5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePEQ\u003c\/th\u003e\n\u003ctd\u003e10-band, with preset tuning and adjustable curves via FiiO Control app\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e20Hz – 80kHz, Attenuation \u0026lt; 2.9dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSNR\u003c\/th\u003e\n\u003ctd\u003e≥116dB (A-weighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTHD+N\u003c\/th\u003e\n\u003ctd\u003e0.0173% (1kHz\/-6dB@32Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Supply\u003c\/th\u003e\n\u003ctd\u003eAC 100-240V 50\/60Hz, DC 12V\/2.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e210 x 188 x 42 mm (including feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e980g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFiiO K13 R2R DAC Headphone Amplifier\u003c\/li\u003e\n\u003cli\u003eInfrared Remote Control\u003c\/li\u003e\n\u003cli\u003eAC Power Cord\u003c\/li\u003e\n\u003cli\u003eUSB Data Cable\u003c\/li\u003e\n\u003cli\u003eHeadphone Adapter\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide\u003c\/li\u003e\n\u003cli\u003eWarranty Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"note\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e For optimal sound performance, you may connect the K13 R2R to an external linear power supply (12V-2.5A or greater). Bluetooth streaming requires compatible devices supporting LDAC.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb21d7bab57bb4d569902cd23147672cah.jpg?width=790\u0026amp;height=1474\u0026amp;hash=2264\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0d27d755307549e5a7cb69cc9122f9dcN.jpg?width=790\u0026amp;height=1915\u0026amp;hash=2705\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S72cb45f17eb84682b1f208e9bae174bfh.jpg?width=790\u0026amp;height=953\u0026amp;hash=1743\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9265ee79de6f43d083db88216d17cc9fM.jpg?width=790\u0026amp;height=897\u0026amp;hash=1687\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdeb86a54bb4f46b18e5628df5ea457b1U.jpg?width=790\u0026amp;height=1755\u0026amp;hash=2545\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1a34e823531e4f0fbfb4b3c1822a7b0dL.jpg?width=790\u0026amp;height=1132\u0026amp;hash=1922\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc795a579d38348ab970e2e97dbdd70cbw.jpg?width=790\u0026amp;height=1419\u0026amp;hash=2209\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S75379824ded54366be4d8308c8aacac5m.jpg?width=790\u0026amp;height=1013\u0026amp;hash=1803\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf01e032271be4aa6a6e6ebd4de305e3dd.jpg?width=790\u0026amp;height=1165\u0026amp;hash=1955\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9cb4b3d57fd74e74b4edf70b6d728152c.jpg?width=790\u0026amp;height=2198\u0026amp;hash=2988\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2ff0d00956a840e18f7557f6763d760dI.jpg?width=790\u0026amp;height=938\u0026amp;hash=1728\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4ea6f3df2f724cb39d778e723faab3d3N.jpg?width=790\u0026amp;height=1198\u0026amp;hash=1988\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa09fbacc354a4a7cbeda7e1ea4de2d7cJ.jpg?width=790\u0026amp;height=1281\u0026amp;hash=2071\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf41d1fbfc1fd42b68c3f2e5969ba5df0z.jpg?width=790\u0026amp;height=864\u0026amp;hash=1654\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sea030f7734684f9f99f4a88b0a75b23e0.jpg?width=790\u0026amp;height=1489\u0026amp;hash=2279\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S827f1f34db4f4cf6a4ea0cb8cdb26923s.jpg?width=790\u0026amp;height=1368\u0026amp;hash=2158\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S939956375615456d91e2f7863f9732de8.jpg?width=790\u0026amp;height=1328\u0026amp;hash=2118\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7ded2e66b9794b5b8fe1dd4c8777ed1aD.jpg?width=790\u0026amp;height=1315\u0026amp;hash=2105\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5e31927c997549c6b527e2b06f201e8bk.jpg?width=790\u0026amp;height=1390\u0026amp;hash=2180\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Seba2bc0c93cd4b36bce2d5df778283cfh.jpg?width=790\u0026amp;height=1606\u0026amp;hash=2396\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sda7523e4093d4f3cb19d3322ef35bcb2P.jpg?width=790\u0026amp;height=1374\u0026amp;hash=2164\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Fiio","offers":[{"title":"K13R2R black","offer_id":46834836242671,"sku":"1005009927075048-K13R2R black","price":319.0,"currency_code":"USD","in_stock":false},{"title":"K13R2R silver","offer_id":46834836275439,"sku":"1005009927075048-K13R2R silver","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/fiio-k13-r2r-desktop-dac-headphone-amp-3963378.webp?v=1757649041","url":"https:\/\/thehificat.com\/es\/products\/fiio-k13","provider":"The HiFi Cat","version":"1.0","type":"link"}