Q4 DAC headphone amplifier is designed with RCA/PC-USB/optical/coaxial/ inputs and 3.5MM headphone outputs can fit with most home audio system and headphones. (Note: Q4 do not support Microphone). RCA output can be connected to amplifier or powered speakers on your desktop. Built-in Hi-Fi headphone amp chip can drive most 16 Ohm to 200 Ohm headphones.
Q4 Heaphone USB DAC Adopts the Texas Instruments NE5532 high-performance operational amplifiers chip combining excellent DC and AC characteristics. Q4 features very low noise, high output-drive capability, high unity-gain, and maximum-output-swing bandwidths, low distortion, high slew rate, input-protection diodes, and output short-circuit protection.Q4 has specified maximum limits for equivalent input noise voltage.
160mW RMS(32 ohms, 20 Hz - 20 KHz, 0.01% THD), with bass and treble control Q4 can be used as preamp or volume controller for your PC/Computer/MAC/headphons/speakers system. Easy to set up. No special software, app, or driver to install, a true plug-and-play digital audio adapter.
Mini compact D/A converter, full metallic shell to ensure high quality. Stream bit-perfect 24bit/192KHz HD with low jitter, with output protect circuit, safe for your expensive audio system.
What You Get: Q4 USB DAC x1, USB charging cable x1, optical cable x1, PC-USB to type B cable, User Manual x1, our worry-free 18-month warranty, and friendly customer service.

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