The Fosi Audio Q4 is a compact desktop mini-stereo digital-to-analog converter (DAC) and headphone amplifier that features USB, optical, and coaxial digital inputs, RCA and 3.5mm analog outputs, and physical front-panel knobs for manual bass, treble, and volume adjustments.
- 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.
