Description
Fosi Audio Q4 Desktop DAC & Headphone Amplifier
Upgrade your desktop audio with the Fosi Audio Q4 — a high-performance USB DAC and headphone amplifier designed for PC, Mac, and gaming consoles. Compact yet powerful, it brings high-resolution sound and precise volume control to your favorite headphones and active speakers.
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Hi-Res Audio Decoding – Built with a premium 24-bit/192 kHz DAC chipset, the Q4 delivers crystal-clear sound, wide dynamic range, and accurate detail for music, movies, and games.
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Powerful Headphone Amplifier – Drives most headphones up to 300 Ω with ease, providing clean, punchy output with low distortion and noise.
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Multiple Inputs for Flexibility – Supports USB, Optical (SPDIF), and Coaxial digital inputs plus RCA line output, making it ideal for PC, TV, PS5/PS4, Xbox, or media players.
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Bass & Treble Controls – Front-panel knobs allow quick tone adjustment to suit your listening preferences.
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Compact Desktop Design – Sturdy aluminum alloy chassis with tactile volume knob and illuminated indicators; small footprint fits any desk or entertainment center.
Technical Specifications
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DAC Chip: High-performance 24-bit/192 kHz converter
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Supported Inputs: USB (Plug & Play), Optical (SPDIF), Coaxial
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Output: 3.5 mm headphone jack, RCA stereo line out
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Output Power: Up to 100 mW @ 32 Ω headphone load
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SNR: ≥110 dB
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THD+N: ≤0.003%
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Headphone Impedance Support: 16 Ω – 300 Ω
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Frequency Response: 20 Hz–20 kHz
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Power Supply: DC 5 V (USB powered)
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Dimensions: approx. 100 × 73 × 33 mm
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Weight: ~180 g
Why Choose Fosi Audio Q4
The Q4 is an all-in-one desktop solution for upgrading your computer or console audio. It combines a versatile DAC, a clean headphone amplifier, and convenient tone controls in a single compact unit, giving you rich, detailed sound for music, gaming, and movies.
