{"product_id":"fiio-k11-compact-desktop-r2r-architecture-dac-and-headphone-amplifier-black","title":"FIIO K11 Compact Desktop R2R Architecture DAC and Headphone Amplifier (Black)","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eFiiO K11 R2R Desktop DAC \u0026amp; Headphone Amplifier – Black\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFiiO K11 R2R\u003c\/strong\u003e brings the warm, natural, analog-like sound of a true R2R resistor-ladder DAC to your desk in a compact, affordable package. At its heart is FiiO's self-developed, four-channel, fully differential 24-bit R2R DAC, built from 192 precision thin-film resistors with 0.1% tolerance and low 30ppm temperature drift.\u003c\/p\u003e\n\u003cp\u003eUp to 1300mW + 1300mW of balanced power, three gain levels, and switchable NOS\/OS modes let the K11 R2R drive everything from sensitive IEMs to demanding headphones up to 350Ω, while USB, optical, and coaxial inputs plus RCA line output make it the center of any desktop system.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully differential true 24-bit R2R DAC with 192 precision thin-film resistors\u003c\/li\u003e\n\u003cli\u003eSwitchable NOS (non-oversampling) and OS (oversampling up to 384kHz) modes\u003c\/li\u003e\n\u003cli\u003eUSB decoding up to PCM 384kHz\/32-bit and native DSD256\u003c\/li\u003e\n\u003cli\u003eUp to 1300mW + 1300mW (32Ω) from the 4.4mm balanced output\u003c\/li\u003e\n\u003cli\u003e6.35mm single-ended and 4.4mm balanced headphone outputs\u003c\/li\u003e\n\u003cli\u003eUSB Type-C, optical, and coaxial digital inputs; RCA line output\u003c\/li\u003e\n\u003cli\u003eNJW1195A electronic volume control with three gain levels and independent volume curves\u003c\/li\u003e\n\u003cli\u003eFPGA-processed digital audio bridge and SGM8262 output stage\u003c\/li\u003e\n\u003cli\u003e17 low-noise LDO regulators and high-quality solid-state capacitors\u003c\/li\u003e\n\u003cli\u003eHigh-contrast LCD display, multi-function volume knob, and adjustable RGB logo light\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTrue R2R Sound\u003c\/h3\u003e\n\u003cp\u003eUnlike conventional delta-sigma chips, the K11 R2R converts audio through a discrete resistor ladder, delivering a smooth, textured, and natural presentation loved by listeners seeking an analog feel.\u003c\/p\u003e\n\u003ch3\u003ePower for Your Headphones\u003c\/h3\u003e\n\u003cp\u003eThe amplifier stage pushes 1300mW per channel balanced into 32Ω, with three gain settings so you can pair it with sensitive IEMs or power-hungry full-size headphones.\u003c\/p\u003e\n\u003ch3\u003eProtected and Clean\u003c\/h3\u003e\n\u003cp\u003eA carefully designed low-noise power supply, headphone protection circuitry, and pop-noise elimination keep your audio clean and your headphones safe.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eFiiO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eDesktop DAC \/ Headphone Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDAC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eFully differential 24-bit R2R resistor array (192 resistors, 0.1% tolerance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eNOS \/ OS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eUSB Decoding\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003ePCM 384kHz\/32-bit, DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOptical \/ Coaxial Decoding\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003ePCM 192kHz\/24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eUSB Type-C, Optical, Coaxial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e6.35mm single-ended, 4.4mm balanced, RCA line out, coaxial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power (4.4mm BAL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e≥1300mW + 1300mW (32Ω); ≥220mW + 220mW (300Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power (6.35mm SE)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e≥660mW + 660mW (16Ω); ≥460mW + 460mW (32Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSNR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e≥115dB (A-weighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eTHD+N\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eApprox. 0.025%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eLine Output Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e2.7Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRecommended Headphone Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eUp to 350Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eExternal 12V DC adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48184128569500,"sku":"FIIK11R2RBK","price":175.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0347\/0445\/7864\/files\/319n6UwqtML.jpg?v=1793392430","url":"https:\/\/6ave.com\/products\/fiio-k11-compact-desktop-r2r-architecture-dac-and-headphone-amplifier-black","provider":"6ave Electronics","version":"1.0","type":"link"}