Fosi Audio Q4 Headphone Amplifier Mini Stereo DAC 24-Bit 192 KHz USB Optical Coaxial to RCA AUX Digital-to-Analog Audio Converter Adapter for Home Desktop Powered Active Speakers

The Q4 DAC headphone amplifier is a versatile device that can connect with most home audio systems and headphones. It has various inputs, a 3.5mm headphone output, and a Hi-Fi headphone amp chip that can power headphones with impedance ranging from 16 Ohm to 200 Ohm. However, it doesn't support microphones. The device also has an RCA output to connect to an amplifier or powered speakers on a desktop.

The Q4 headphone USB DAC incorporates high-performance operational amplifier chips from Texas Instruments, specifically the NE5532, which combines exemplary DC and AC characteristics. The device features very low noise, high output-drive capability, high unity-gain bandwidths, low distortion and high slew rate, as well as input-protection diodes, and output short-circuit protection.

The Fosi Audio Q4 has a specified maximum limit for the equivalent input noise voltage. The desktop DAC Q4 is capable of delivering 160mW RMS (32 ohms, 20 Hz - 20 KHz, 0.01% THD) of power and comes equipped with bass and treble controls, making it suitable for use as a preamp or volume controller for your PC/computer/MAC/headphones/speakers system.

The device is simple to set up and requires no special software, app, or driver installation, as it is a true plug-and-play digital audio adapter. The DAC audio is a mini compact D/A converter with a full metallic shell that ensures high quality. It streams bit-perfect 24bit/192KHz HD with low jitter(24bit/96KHz for USB), with an output protection circuit to safeguard 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 24-month warranty, as well as friendly customer service.