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, offering various inputs, a 3.5mm headphone output, and a Hi-Fi headphone amp chip capable of powering headphones with impedance ranging from 16 Ohm to 200 Ohm.

With its high-performance operational amplifier chips from Texas Instruments, this device delivers low noise, high output-drive capability, and high unity-gain bandwidths, as well as input-protection diodes and output short-circuit protection.

The Q4 DAC also features a specified maximum limit for the equivalent input noise voltage and can deliver 160mW RMS (32 ohms, 20 Hz - 20 KHz, 0.01% THD) of power.

Additionally, it 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, making it a true plug-and-play digital audio adapter.

With its mini compact D/A converter and full metallic shell, the Q4 DAC ensures high quality streaming of bit-perfect 24bit/192KHz HD with low jitter (24bit/96KHz for USB).

Plus, it comes with a worry-free 24-month warranty and friendly customer service.