FOSI Q4 Mini Stereo Audio Amplifier USB Gaming DAC & Headphone Amplifier Converter Adapter for Home/Desktop Powered/Active Speakers

• 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 HiFi headphone amp chip can drive most 16ohm to 200ohm headphones
• 160mW RMS(32 ohms, 20Hz-20KHz, 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:

• Model: Q4
• DAC Chippest: MS8412
• USB Chippest: SA9023
• Headphone Chippest: 97220
• OPM Chippest: NE5532
• PC-USB supports input sampling rate: 96K/24Bit
• High and low sound adjustment range: ±6dB
• Fiber/coaxial support input sampling rate: 192K/24Bit
• Frequency response: 20Hz-20KHz (±3dB)
• PC-USB support OS: XP/W7/W8/W10/for MAC/for Linux
• Distortion: 0.01%
• SNR: ?105dB
• Amp output maximum power: 125mW 32? load
• Headphone matching impedance: 16-200?
• Working voltage: DC5V
• RCA output level: 2.3V
• Size (L x W x H): 73.5 x 98x 33mm (without knobs and terminals)