Fosi Audio Mini Stereo USB Gaming DAC Headphone Amplifier Audio Converter Adapter for Home/Desktop Powered/Active Speakers
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Specifications
- Brand Name
- Fosi Audio
- High-concerned chemical
- None
- Maximum Power Per Channel
- NO POWER
- Origin
- Mainland China
- Package
- Yes
- Channels
- 2 (2.0)
- Certification
- CE
- Model Number
- Q4
- Input
- USB, OPT, COA
- Output
- RCA, 3.5mm Headphone Jack
- Work Voltage
- DC 5V
- Amp Output Maximum Power
- 125mW/32Ohm
- DAC Chippest
- MS8412
- USB Chippest
- SA9023
- Headphone Chippest
- 97220
- OPM Chippest
- NE5532
Product Description
Fosi Audio Q4 - Mini Stereo USB Gaming DAC & Headphone Amplifier Audio Converter Adapter for Home/Desktop Powered/Active Speakers
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
We offer 24-month warranty, and friendly customer service!
Highlight:
Model: Q4
Color: Black
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 operating system: XP/W7/W8/W10/MAC/linux
Distortion: 0.01%; SNR: ≥105dB
Amp output maximum power: 125mW 32Ω load
Headphone matching impedance: 16-200Ω
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
Pros & Cons
Pros
- Multiple inputs (USB/OPT/COA) for versatile connectivity
- Plug-and-play with quality NE5532 op-amps
- Compact for desktop/gaming setups
- Powers headphones up to 125mW/32ohm
Cons
- No built-in power supply, needs 5V adapter
- Limited power for high-impedance headphones
- No volume control knob
- Stereo only, no surround
Common Questions
What inputs/outputs and chips in Fosi Audio Q4 USB DAC Headphone Amp?
Inputs: USB, Optical, Coaxial. Outputs: RCA, 3.5mm headphone. Chips: MS8412 DAC, NE5532 op-amp.
Power and compatibility for Fosi Audio Mini Stereo DAC?
DC 5V powered, 125mW/32ohm headphone out. For home/desktop speakers, gaming.
Size and setup for Fosi Audio Q4 gaming audio converter?
Mini compact size, plug-and-play, no drivers needed.
Usage as DAC/amp for active speakers and headphones?
Converts digital to analog for speakers/headphones. Supports stereo 2.0 channels.
Shipping certifications for Fosi Audio Q4?
Origin: Mainland China. CE certified, packaged.
Product information last updated on May 2, 2026