Features:

•  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 system, and RCA output can be connected to 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
• Mini Compact D/A converter, stream bit-perfect 24bit/192KHz HD with low jitter, with output protect circuit, safe for your expensive audio system  

Highlight:

• Model: Q4
• DAC Chippest : MS8412
• USB Chippest: SA9023
• Headphone Chippest : 97220
• OPM Chippest: NE5532
• PC-USB supports input sampling rate: 96K/24Bi
• High and low sound adjustment range: ±6d
• Fiber/coaxial support input sampling rate: 192K/24Bi
• Frequency response: 20Hz-20kHz (±3dB
• PC-USB support operating system: XP/W7/W8/W10/MAC/linu
• Distortion: 0.01%; SNR: ≥105d
• Amp output maximum power: 100mW 32Ω loa
• Headphone matching impedance: 16-200
• Working voltage: DC5V; RCA output level: 2.3V
• Size (L*W*H): 73.5*98*33MM (without knobs and terminals)                   

Package Include:

• *1x Fosi Audio DAC-Q4
• *1x 5V USB Power Supply Cable
• *1x PC-USB Cable
• *1x Optical Cable
• *1x User’s Manual