Fosi Audio Q4 DAC Headphone Amplifier Mini Stereo 24-bit Optical Digital Compact Duck Headphone Amplifier 192KHz PC-USB/Optical/Coaxial/RCA Input, Supports MAC/PC/TV/PS4/DVD, Compatible with Active

Q: Can Q4 output analog stereo audio through both the 3.5mm headphone jack and the RCA red/white jacks at the same time?

Q4 will mute the RCA output when headphones are plugged in.

Q: How do I connect Q4 to my computer with USB input?

Your other USB cables must support OTG function.

Q: Where is the 0db position (Q4)?

The 0db position is at 12 o'clock on the knob.

4.1/5

Product ID: 725932324

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Details

Brand
Fosi Audio
Maximum Supply Voltage
5 Volts (DC)
Minimum Supply Voltage
5 Volts (DC)
Mounting Type
table top
Interface Type
Coaxial RCA

🎧Supports 16-200Ω headphones

💻24-bit/192KHz Hi-Res DAC

🔊160mW RMS power output

Description

🎶 Elevate your sound game—because your ears deserve the best!

HI FI PRECISION - Equipped with Texas Instruments NE5532 chip for pristine audio fidelity and ultra-low noise performance.
COMPACT DURABLE - Sleek full-metal shell design fits effortlessly on your desk while protecting your investment with output short-circuit protection.
POWERFUL AUDIO DRIVE - 160mW RMS output delivers crystal-clear sound with ultra-low distortion for immersive listening.
PLUG PLAY SIMPLICITY - No drivers or software needed—just connect and elevate your audio experience instantly.
UNIVERSAL COMPATIBILITY - Seamlessly connects via USB, Optical, Coaxial, RCA, and 3.5mm to all your favorite devices—PC, Mac, TV, PS4, and more.

The Fosi Audio Q4 DAC Headphone Amplifier is a compact, high-performance digital-to-analog converter and headphone amp supporting 24-bit/192KHz audio. Featuring multiple inputs (USB, Optical, Coaxial, RCA) and a powerful 160mW output, it drives headphones from 16 to 200 Ohms with ultra-low distortion. Its robust metal shell and TI NE5532 chip ensure premium sound quality and durability, making it the perfect upgrade for PC, Mac, TV, and gaming audio setups.