Fosi Audio C3 AI-Powered Gaming Sound Card & DAC/Amp

Fosi Audio C3

Hyper Footstep Boost | Born for FPS

Gaming Sound Card & DAC/Amp

Buy on Fosiaudio

Buy on Aliexpress

C3 Kickstarter Early Access

Make a $9.90 deposit to unlock exclusive campaign rewards, including a 25% discount and a special physical gift for early supporters.

Follow on Kickstarter

Make Your Deposit

StepSense™
Tracks Enemies Beyond Your Vision

The C3 features a built-in deep learning audio enhancement system that intelligently detects and amplifies footsteps in FPS games, without altering gunfire or ambient noise — perfect for ambush plays.

Hear the Difference. React Faster.

Hi-Fi Sound, Beyond Gameplay

With audiophile-grade components, C3 reveals subtle details in game audio, adding depth and realism without altering the original sound design.

Fosi Audio C3

Hyper Footstep Boost | Born for FPS

Gaming Sound Card & DAC/Amp

C3 Kickstarter Early Access

Make a $9.90 deposit to unlock exclusive campaign rewards, including a 25% discount and a special physical gift for early supporters.

Secure Your C3 Kickstarter Rewards：

1. $9.90 deposit to reserve benefits

2. 25% Secret Reward access

3. Bonus physical gift after campaign

Follow on Kickstarter

Make Your Deposit

Why C3 Isn't Just Another Gaming Sound Card?

Why C3 Isn't Just Another Gaming Sound Card?

Fosi Audio C3

Traditional Gaming Sound Card

StepSense™

StepSense™

Tracks Enemies Beyond Your Vision

The C3 features a built-in deep learning audio enhancement system that intelligently detects and amplifies footsteps in FPS games, without altering gunfire or ambient noise — perfect for ambush plays.

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Hear the Difference. React Faster.

Hi-Fi Sound, Beyond Gameplay

With audiophile-grade components, C3 reveals subtle details in game audio, adding depth and realism without altering the original sound design.

Surround Feel Missing?

Surround Feel Missing?

Hardware-Level 7.1
That Rebuilds the Space

Spatial processing rebuilds direction and distance cues for a wider, deeper scene, providing more presence in 3A games and films.

Your Team Can’t Hear You Right?

Your Team Can’t Hear You Right?

AI Noise Reduction with Ultra-Low Latency

Filters out background noise like keyboard clicks, keeping your voice clean and clear with <50ms real-time processing.

Preset & Custom Audio Profiles Supported

Preset & Custom Audio Profiles Supported

Web-Based Control Panel

Switch between presets or fine-tune your sound with PEQ controls, all through a clean, browser-based interface, no software required.

Check the details

Designed for the Desktop

Designed for the Desktop

Rich Connectivity, Thoughtful Controls

Rich Connectivity, Thoughtful Controls

Built for Gaming Headsets and Desktop Speakers

Built for Gaming Headsets and Desktop Speakers

Specifications

Specifications

General Specs

Chipset

Maximum Sampling Rate

Supported Headphone Impedence

Input

Output

Firmware Update

Input Voltage

PEQ Page Link

USB Driver

Audio Parameters

Rated Power Output

SNR

THD+N

Dynamic Range

Noise Floor

Frequency Response

Rated Power Output

SNR

THD+N

Dynamic Range

Noise Floor

Frequency Response

What’s in the Box?

What’s in the Box?

Hardware-Level 7.1
That Rebuilds the Space

Spatial processing rebuilds direction and distance cues for a wider, deeper scene, providing more presence in games and films.

AI Noise Reduction with Ultra-Low Latency

Filters out background noise like keyboard clicks, keeping your voice clean and clear with <50ms real-time processing.

Check the details

Web-Based Control Panel

Switch between presets or fine-tune your sound with PEQ controls, all through a clean, browser-based interface, no software required.

Free Shipping

Delivery Available for Every Order

Money-Back Guarantee

30 Days Free Return

Customer Support

Provide you with all-round services

24 Months Warranty

Quality Assurance Guarantee