Fosi Audio Q4 Desktop DAC Headphone Amplifier

Easy to set up, no special software, app, or driver to install, a true plug-and-play digital audio adapter. With USB, optical and coaxial S/PDIF inputs can fit with most home audio systems, and RCA output can be connected to an amplifier or powered speakers on your desktop; Built-in Hi-Fi headphone amp chip can drive most 16ohm to 200ohm headphones. 160mW RMS(32 ohms, 20 Hz - 20 kHz, 0.01% THD), with bass and treble control, can be used as preamp or volume controller for your PC/MAC/Computer. Mini Compact D/A converter, stream bit-perfect 24bit/192KHz HD with low jitter, with output, protect the circuit, safe for your expensive audio system. Specifications Specifications Details Model Q4 PC-USB supports input sampling rate 24Bit/96kHz High and low sound adjustment range ±6dB Fiber/coaxial support input sampling rate 24Bit/192kHz Frequency response 20Hz-20kHz (±3dB) PC-USB support operating system XP/W7/W8/W10/MAC/Linux Distortion 0.01% SNR ≥105dB Amp output maximum power 100mW 32Ω load Headphone matching impedance 16Ω-200Ω Working voltage DC5V RCA output level 2.3V Size (L*W*H) 73.5*98*33MM (without knobs and terminals) Package Include Item Quantity Fosi Audio DAC-Q4 x 1 5V USB Power Supply Cable x 1 PC-USB Cable x 1 Optical Cable x 1 User’s Manual x 1 Q4 User Manual FAQ: The drivers for the Q4 are outdated, and it shows as 'driver error' in the Device Manager. Compare with similar items Q5 Mini Headphone AmplifierQ6 USB HiFi DAC Headphone AmplifierQ7 Bluetooth 5.0 Hi-Fi Amp Q5 Mini Headphone AmplifierQ6 USB HiFi DAC Headphone AmplifierQ7 Bluetooth 5.0 Hi-Fi Amp