{"product_id":"fosi-audio-k7-desktop-dac-amp-headphone-amplifier","title":"Fosi Audio K7 Desktop DAC \u0026amp; Headphone Amplifier","description":"\u003ch3\u003eFosi Audio K7 Desktop DAC \u0026amp; Headphone Amplifier\u003c\/h3\u003e  \u003cp\u003eUpgrade your desktop audio experience with the Fosi Audio K7 Desktop DAC \u0026amp; Headphone Amplifier, a versatile all-in-one solution designed for high-fidelity music listening, gaming, and everyday entertainment. Combining a premium AKM AK4493SEQ DAC, XMOS XU208 USB processor, and powerful headphone amplification, the K7 delivers detailed, low-distortion sound with support for high-resolution PCM audio up to 32-bit\/384kHz and native DSD256. With up to 2,100mW per channel through its 4.4mm balanced headphone output, the K7 provides the power and precision needed to drive a wide range of headphones while maintaining excellent clarity and dynamic performance.\u003c\/p\u003e  \u003cp\u003eDesigned to serve as the centerpiece of a modern desktop audio system, the K7 offers USB-C, optical, coaxial, and Bluetooth 5.0 connectivity with support for aptX HD and aptX Low Latency. A dedicated 3.5mm microphone input with noise reduction makes it equally useful for online gaming, voice chat, and communication. Choose between 3.5mm single-ended and 4.4mm balanced headphone outputs, or connect powered speakers and external amplifiers using the RCA line outputs. Compatible with PCs, Macs, PlayStation consoles, Nintendo Switch, and other supported digital audio devices, the K7 brings flexibility to nearly any listening environment.\u003c\/p\u003e  \u003cp\u003eBuilt around a fully balanced circuit design, the Fosi Audio K7 achieves exceptionally low distortion while incorporating high\/low gain settings, adjustable bass and treble controls, and an EQ bypass mode for a more direct listening experience. Its precision-machined aluminum alloy chassis features an angled ergonomic design, two large multifunction control knobs, dedicated shortcut buttons, and a 1.5-inch display that provides clear information about playback formats, inputs, and settings. Whether you're enjoying high-resolution music, competing in your favorite game, or building a compact desktop Hi-Fi system, the K7 combines powerful performance with convenient everyday operation.\u003c\/p\u003e  \u003ch4\u003eSpecifications\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Fosi Audio\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e K7\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Desktop DAC, headphone amplifier, and gaming audio interface\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDAC Chip:\u003c\/strong\u003e AKM AK4493SEQ\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSB Audio Processor:\u003c\/strong\u003e XMOS XU208\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Chip:\u003c\/strong\u003e Qualcomm QCC3031\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadphone Amplifier Chip:\u003c\/strong\u003e TPA6120\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCircuit Design:\u003c\/strong\u003e Fully balanced audio circuitry with low-noise LDO voltage regulators\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSB Audio Resolution:\u003c\/strong\u003e Up to 32-bit\/384kHz PCM and DSD256\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptical Audio Resolution:\u003c\/strong\u003e Up to 24-bit\/192kHz PCM\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCoaxial Audio Resolution:\u003c\/strong\u003e Up to 24-bit\/192kHz PCM\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Audio Resolution:\u003c\/strong\u003e Up to 24-bit\/48kHz PCM\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDigital Audio Inputs:\u003c\/strong\u003e USB-C, optical, coaxial, Bluetooth\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMicrophone Input:\u003c\/strong\u003e 3.5mm microphone connection with noise reduction\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadphone Outputs:\u003c\/strong\u003e 3.5mm single-ended and 4.4mm balanced\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLine Output:\u003c\/strong\u003e Stereo RCA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSupported Headphone Impedance:\u003c\/strong\u003e 16–300 ohms\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced Headphone Output Power:\u003c\/strong\u003e At least 2,100mW per channel at 32 ohms, THD+N below 1%\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced Output Signal-to-Noise Ratio:\u003c\/strong\u003e 121dB (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced Output THD+N:\u003c\/strong\u003e Less than 0.0002% (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced Output Dynamic Range:\u003c\/strong\u003e 121dB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced Output Noise Floor:\u003c\/strong\u003e 6.5µV or less (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced Output Frequency Response:\u003c\/strong\u003e 20Hz–20kHz (±0.2dB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-Ended Headphone Output Power:\u003c\/strong\u003e At least 600mW per channel at 32 ohms, THD+N below 1%\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-Ended Output Signal-to-Noise Ratio:\u003c\/strong\u003e 122dB (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-Ended Output THD+N:\u003c\/strong\u003e 0.0005% (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-Ended Output Dynamic Range:\u003c\/strong\u003e 121dB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-Ended Output Noise Floor:\u003c\/strong\u003e 2.5µV or less (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-Ended Output Frequency Response:\u003c\/strong\u003e 20Hz–20kHz (±0.2dB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRCA Output Level:\u003c\/strong\u003e At least 2Vrms\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRCA Signal-to-Noise Ratio:\u003c\/strong\u003e 121dB (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRCA THD+N:\u003c\/strong\u003e 0.0005% (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRCA Dynamic Range:\u003c\/strong\u003e 121dB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRCA Noise Floor:\u003c\/strong\u003e 3µV or less (A-weighted)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRCA Frequency Response:\u003c\/strong\u003e 20Hz–20kHz (±0.2dB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Version:\u003c\/strong\u003e 5.0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Audio Codecs:\u003c\/strong\u003e SBC, AAC, aptX, aptX HD, aptX Low Latency\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Wireless Range:\u003c\/strong\u003e Up to 13 meters under suitable conditions\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGain Settings:\u003c\/strong\u003e High and low headphone gain\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTone Controls:\u003c\/strong\u003e Adjustable bass and treble\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEQ Bypass:\u003c\/strong\u003e Direct-signal mode bypasses internal bass and treble adjustments\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMicrophone Functions:\u003c\/strong\u003e Adjustable microphone volume and mute support in USB Audio Class 1.0 mode\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSB Audio Modes:\u003c\/strong\u003e UAC 1.0 and UAC 2.0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUAC 1.0 Audio:\u003c\/strong\u003e 16-bit\/48kHz with microphone communication support\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 1.5-inch high-resolution status display\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Dual multifunction knobs, input\/output selection, power\/UAC selection, tone\/microphone adjustment, and EQ bypass controls\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDisplay Information:\u003c\/strong\u003e Input source, output mode, PCM\/DSD format, sampling rate, Bluetooth codec, EQ settings, and microphone status\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e CNC-machined aluminum alloy with an angled desktop design\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eComputer Compatibility:\u003c\/strong\u003e Windows, macOS, and Linux\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGaming Compatibility:\u003c\/strong\u003e Compatible with supported PlayStation and Nintendo Switch USB audio connections\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUSB Driver Requirements:\u003c\/strong\u003e Standard PCM playback is plug-and-play on supported modern Windows and macOS systems; drivers may be required for older Windows versions or DSD playback\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFirmware Updates:\u003c\/strong\u003e XMOS firmware updates supported through USB-C\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Requirement:\u003c\/strong\u003e DC 12V\/2A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded Accessories:\u003c\/strong\u003e USB-A\/C to USB-C cable, Bluetooth antenna, Y-splitter cable, 12V power adapter, and user manual\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eWhat It's Great At\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution Music Playback:\u003c\/strong\u003e The AKM AK4493SEQ DAC and XMOS XU208 processor support PCM up to 32-bit\/384kHz and DSD256, delivering detailed digital-to-analog conversion for high-quality music listening.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePowerful Balanced Headphone Amplification:\u003c\/strong\u003e Delivering at least 2,100mW per channel at 32 ohms through its 4.4mm balanced output, the K7 provides substantial amplification for demanding wired headphones.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile Desktop Connectivity:\u003c\/strong\u003e USB-C, optical, coaxial, Bluetooth, dual headphone outputs, and RCA connections make the K7 an adaptable centerpiece for music, gaming, and desktop audio systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGaming and Voice Communication:\u003c\/strong\u003e The dedicated 3.5mm microphone input, noise reduction, microphone volume adjustment, and UAC 1.0 compatibility support clear communication during compatible gaming and voice-chat applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCustomizable Sound and Convenient Controls:\u003c\/strong\u003e Adjustable bass, treble, headphone gain, and EQ bypass settings allow listeners to tailor playback without relying on complicated software menus.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePremium Desktop Design:\u003c\/strong\u003e A durable aluminum chassis, angled control surface, multifunction knobs, and 1.5-inch display combine modern aesthetics with practical everyday operation.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch4\u003eFAQ Section\u003c\/h4\u003e  \u003cp\u003e\u003cstrong\u003eQ: What is the Fosi Audio K7 used for?\u003c\/strong\u003e\u003cbr\u003e A: The Fosi Audio K7 is a desktop digital-to-analog converter and headphone amplifier designed for high-resolution music playback, gaming, and general computer audio. It can power wired headphones, receive audio from multiple digital sources, and connect to powered speakers or external amplifiers through RCA outputs.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can the Fosi Audio K7 drive high-impedance headphones?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The K7 supports headphones with impedances ranging from 16 to 300 ohms and provides up to at least 2,100mW per channel at 32 ohms through its balanced output. Its high and low gain settings help accommodate headphones with different amplification requirements.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio K7 support balanced headphones?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The K7 features a dedicated 4.4mm balanced headphone output and a standard 3.5mm single-ended output. The balanced connection offers substantially higher rated output power when used with compatible headphones and a properly wired balanced cable.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio K7 support Bluetooth audio?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The K7 features Bluetooth 5.0 with support for SBC, AAC, aptX, aptX HD, and aptX Low Latency codecs. It can receive wireless audio from compatible smartphones, tablets, and computers for playback through connected wired headphones or an external audio system.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I connect the Fosi Audio K7 to a PlayStation or Nintendo Switch?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The K7 supports compatible PlayStation and Nintendo Switch USB audio connections using USB Audio Class 1.0 mode. This mode also supports microphone communication at 16-bit\/48kHz with the appropriate headset or microphone connections.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I connect powered speakers to the Fosi Audio K7?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The K7 includes stereo RCA line outputs for connecting powered speakers, integrated amplifiers, or other compatible audio equipment. Use the output selector to switch between headphone playback and RCA line output.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Can I adjust the bass and treble on the Fosi Audio K7?\u003c\/strong\u003e\u003cbr\u003e A: Yes. The K7 features adjustable bass and treble controls for customizing your listening experience. An EQ bypass function allows you to disable the tone adjustments when you prefer a more direct audio signal.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eQ: Does the Fosi Audio K7 require drivers to work with a computer?\u003c\/strong\u003e\u003cbr\u003e A: Standard PCM playback is plug-and-play with supported modern Windows and macOS computers. Certain older Windows operating systems or DSD playback configurations may require additional drivers. The K7 also supports USB Audio Class 1.0 and 2.0 modes for different playback and compatibility requirements.\u003c\/p\u003e","brand":"Fosi Audio","offers":[{"title":"Black","offer_id":62887245381791,"sku":"FOS-K7-BLK","price":199.99,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":62887245414559,"sku":"FOS-K7-SIL","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/c1f40199-7fb6-41fd-bedf-f6ec5e4cb3a8.jpg?v=1791557965","url":"https:\/\/listenup.com\/products\/fosi-audio-k7-desktop-dac-amp-headphone-amplifier","provider":"ListenUp","version":"1.0","type":"link"}