{"product_id":"fosi-audio-sk02","title":"Fosi Audio SK02 – Desktop DAC \u0026 Balanced Headphone Amplifier","description":"\u003ch2 data-path-to-node=\"7\"\u003e1. Compact Powerhouse for Audiophiles\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eThe \u003cb data-path-to-node=\"8\" data-index-in-node=\"4\"\u003eFosi Audio SK02\u003c\/b\u003e is a versatile desktop DAC and headphone amplifier that redefines \"performance per square inch.\" Despite its portable-friendly footprint, it delivers desktop-grade output power and sophisticated digital-to-analog conversion. Whether you are driving sensitive IEMs or demanding full-sized planar magnetic headphones, the SK02 provides a clean, dynamic, and detailed sonic signature.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"9\"\u003e2. Key Features \u0026amp; Technologies\u003c\/h2\u003e\n\u003ch4 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eReference-Grade Decoding \u0026amp; High-Res Support\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eES9038Q2M Sabre DAC:\u003c\/b\u003e At the heart of the SK02 is the acclaimed ESS Sabre ES9038Q2M chip, known for its exceptional dynamic range and ultra-low distortion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eMaster-Quality Audio:\u003c\/b\u003e Supports high-resolution decoding up to \u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"62\"\u003ePCM 32-bit\/384kHz\u003c\/b\u003e and \u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"84\"\u003eDSD512\u003c\/b\u003e, ensuring that every nuance of your lossless library is preserved with absolute fidelity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eMassive Output Power in a Tiny Form Factor\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003e1100mW High-Power Output:\u003c\/b\u003e Through its \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"38\"\u003e4.4mm balanced\u003c\/b\u003e port, the SK02 delivers up to \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"83\"\u003e1100mW @32Ω\u003c\/b\u003e, providing enough headroom to drive high-impedance headphones with ease and authority.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eDual Gain Modes:\u003c\/b\u003e Features a High\/Low gain switch to optimize the noise floor and power delivery for different earphone sensitivities, ensuring a pitch-black background for IEMs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eVersatile Connectivity \u0026amp; Intuitive Control\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eBalanced \u0026amp; Single-Ended Outputs:\u003c\/b\u003e Equipped with both a \u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"54\"\u003e4.4mm Balanced\u003c\/b\u003e and a \u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"75\"\u003e3.5mm Single-Ended\u003c\/b\u003e headphone output to accommodate all your gear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eIntegrated Multifunction Knob:\u003c\/b\u003e The top-mounted aluminum knob provides precise volume control and doubles as a play\/pause button, offering an ergonomic and tactile desktop experience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eOptical Input\/Output:\u003c\/b\u003e Uniquely features an optical port that allows the SK02 to act as a bridge for powered speakers or home theater systems, expanding its utility beyond just a headphone amp.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"16\"\u003e3. Technical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"17\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,0,0\"\u003e\u003cb data-path-to-node=\"17,1,0,0\" data-index-in-node=\"0\"\u003eDAC Chip\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,1,0\"\u003eESS Sabre ES9038Q2M\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,0,0\"\u003e\u003cb data-path-to-node=\"17,2,0,0\" data-index-in-node=\"0\"\u003eMax Output Power\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,1,0\"\u003e1100mW @32Ω (Balanced), 280mW @32Ω (Single-ended)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,0,0\"\u003e\u003cb data-path-to-node=\"17,3,0,0\" data-index-in-node=\"0\"\u003eDecoding Support\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,1,0\"\u003ePCM 384kHz\/32bit, DSD256\/DSD512\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,0,0\"\u003e\u003cb data-path-to-node=\"17,4,0,0\" data-index-in-node=\"0\"\u003eInput\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,1,0\"\u003eUSB Type-C, Optical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,0,0\"\u003e\u003cb data-path-to-node=\"17,5,0,0\" data-index-in-node=\"0\"\u003eOutput\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,1,0\"\u003e4.4mm Bal, 3.5mm SE, Optical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,0,0\"\u003e\u003cb data-path-to-node=\"17,6,0,0\" data-index-in-node=\"0\"\u003eSNR \/ THD+N\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,1,0\"\u003e116dB \/ 0.001%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,7,0,0\"\u003e\u003cb data-path-to-node=\"17,7,0,0\" data-index-in-node=\"0\"\u003eRecommended Impedance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,7,1,0\"\u003e16Ω - 300Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"18\"\u003e4. Performance Meets Portability\u003c\/h2\u003e\n\u003cp data-path-to-node=\"19\"\u003eThe SK02 is built for the modern audiophile who values flexibility. Its sleek aluminum alloy body fits perfectly under a monitor or in a travel bag. Powered via USB-C, it eliminates the need for bulky external power bricks while maintaining a sophisticated power management system that prevents interference. The Fosi Audio SK02 is the ultimate \"all-in-one\" solution for users looking to upgrade their PC\/Mac audio or mobile listening setup to a professional standard.\u003c\/p\u003e\n\u003cdiv class=\"attachment-container unknown\"\u003e\n\u003cdiv class=\"compare-table-container has-expand-button no-left-scroll no-right-scroll ng-star-inserted expanded\"\u003e\n\u003cdiv class=\"compare-table-scroll-container\"\u003e\n\u003ctable class=\"compare-table\"\u003e\n\u003cthead class=\"table-header\"\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c!----\u003e\n\u003ctd\u003e\u003cstrong\u003eFosi Audio SK01\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFosi Audio SK02\u003c\/strong\u003e\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"table-content\"\u003e\n\u003c!----\u003e\n\u003ctr class=\"attribute-row ng-star-inserted\"\u003e\n\u003ctd class=\"feature-name-column gds-title-s\"\u003eType\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eType\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eAnalog Headphone Amplifier \/ Preamp\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eType\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eDigital-to-Analog Converter (DAC) \/ Amp\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c!----\u003e\n\u003ctr class=\"attribute-row ng-star-inserted\"\u003e\n\u003ctd class=\"feature-name-column gds-title-s\"\u003eDAC Chip\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eDAC Chip\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eNone (Pure Analog)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eDAC Chip\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eES9038Q2M\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c!----\u003e\n\u003ctr class=\"attribute-row ng-star-inserted\"\u003e\n\u003ctd class=\"feature-name-column gds-title-s\"\u003eMax Power Output\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eMax Power Output\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003e2400mW @32Ohm\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eMax Power Output\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003e1100mW @32Ohm (Balanced)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c!----\u003e\u003c!----\u003e\n\u003ctr class=\"attribute-row ng-star-inserted\"\u003e\n\u003ctd class=\"feature-name-column gds-title-s\"\u003eTone Control\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eTone Control\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eHardware Bass, Middle, Treble Knobs\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eTone Control\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eNone\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c!----\u003e\n\u003ctr class=\"attribute-row ng-star-inserted\"\u003e\n\u003ctd class=\"feature-name-column gds-title-s\"\u003eBattery\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eBattery\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eBuilt-in 2500mAh (Portable use)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eBattery\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eNone (USB Powered)\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c!----\u003e\n\u003ctr class=\"attribute-row ng-star-inserted\"\u003e\n\u003ctd class=\"feature-name-column gds-title-s\"\u003eInputs\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eInputs\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003e3.5mm Line In\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eInputs\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eUSB-C, Optical\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c!----\u003e\n\u003ctr class=\"attribute-row ng-star-inserted\"\u003e\n\u003ctd class=\"feature-name-column gds-title-s\"\u003eOutputs\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eOutputs\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003e3.5mm, 6.35mm, 3.5mm Line Out\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eOutputs\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003e3.5mm, 4.4mm Balanced, Optical Out\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c!----\u003e\n\u003ctr class=\"attribute-row ng-star-inserted\"\u003e\n\u003ctd class=\"feature-name-column gds-title-s\"\u003eBest For\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eBest For\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003ePowering difficult headphones and analog tuning\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd class=\"data-cell ng-star-inserted\"\u003e\n\u003cdiv class=\"attribute-name-mobile gds-label-m\"\u003eBest For\u003c\/div\u003e\n\u003cdiv class=\"attribute-value gds-body-m\"\u003eHigh-res digital decoding and modern desktop setups\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c!----\u003e\n\u003c\/tr\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eWhich one should you choose?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eChoose the \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003eSK01\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/b\u003e if you already have a DAC or use an analog source and want \u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"75\"\u003emassive driving power\u003c\/b\u003e and the ability to \u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"116\"\u003emanually adjust EQ\u003c\/b\u003e (Bass\/Mid\/Treble). It is also the only choice if you need a \u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"195\"\u003eportable\u003c\/b\u003e battery-powered unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eChoose the SK02\u003c\/b\u003e if you need an \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"31\"\u003eall-in-one digital solution\u003c\/b\u003e to connect your PC or phone via USB. It offers \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"106\"\u003esuperior detail\u003c\/b\u003e through its high-end ESS DAC and supports \u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"164\"\u003ebalanced 4.4mm\u003c\/b\u003e headphones, which provides a cleaner signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fosi Audio","offers":[{"title":"Black","offer_id":43713461911645,"sku":null,"price":116.99,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":43713461944413,"sku":null,"price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/FosiAudio_SK02_001_124d9b2a-003e-492e-b979-01a2867e81e5.webp?v=1758676033","url":"https:\/\/emiuzek.com\/ja\/products\/fosi-audio-sk02","provider":"EMiUZEK","version":"1.0","type":"link"}