Fosi Audio C3 Gaming Sound Card & DAC/Amp

C3 Gaming Sound Card

Your Footstep Radar in Every Fight

Less guessing. Clearer positioning. Faster reactions

Buy Now

StepSense™
Tracks Enemies Beyond Your Vision

Detect & Boost Footsteps (3-9 dB) | 10 ms Ultra-Low Latency ||No Change to Gunfire/Explosions
Trained on extensive FPS audio data, StepSense™ is continuously reffined for higher accuracy and better game compatibility

Experience It Yourself

Choose the Right Sound Card

Gaming Audio Flagship

Master FPS precision and AAA immersion
with HiFi sound.

B

uy Now

Hyper Footstep Radar

Enjoy the latest StepSense™ technology to pinpoint and boost footsteps for FPS.

HEAR FROM GAMERS

Choose the Right Sound Card

Gaming Audio Flagship

Master FPS precision and AAA immersion
with HiFi sound.

B

uy Now

Hyper Footstep Radar

Enjoy the latest StepSense™ technology to pinpoint and boost footsteps for FPS.

Flagship Chipset

Reveal Fine Details with Ease

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

7.1 Spatial Audio

Battle Comes Alive

In games or movies that support multichannel output, such as Delta Force and Forza Horizon 5, enabling 7.1 audio delivers realistic distance cues and deep immersion.

Control Hub

Sound Presets for Immersion

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

Rich Connectivity & Controls

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

Flagship Chipset

Reveal Fine Details with Ease

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

Flagship Chipset

7.1 Spatial Audio

Battle Comes Alive

In games or movies that support multichannel output, such as Delta Force and Forza Horizon 5, enabling 7.1 audio delivers realistic distance cues and deep immersion.

Flagship Chipset

Control Hub

Sound Presets for Immersion

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

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

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Your Footstep Radar in Every Fight

StepSense™
Tracks Enemies Beyond Your Vision

Experience It Yourself

Born for FPS Games

HEAR FROM GAMERS

Choose the Right Sound Card

Gaming Audio Flagship

Hyper Footstep Radar

Born for FPS Games

HEAR FROM GAMERS

Choose the Right Sound Card

Gaming Audio Flagship

Hyper Footstep Radar

Reveal Fine Details with Ease

Battle Comes Alive

Sound Presets for Immersion

All-Aluminum Alloy Chassis

Compact Size

Intuitive Buttons and Sliders

Ergonomic 5°Angled Design

Rich Connectivity & Controls

Specifications

Reveal Fine Details with Ease

Battle Comes Alive

Sound Presets for Immersion

Congratulations on your successful subscription!

Your Footstep Radar in Every Fight

StepSense™Tracks Enemies Beyond Your Vision

Experience It Yourself

Born for FPS Games

HEAR FROM GAMERS

Choose the Right Sound Card

Gaming Audio Flagship

Hyper Footstep Radar

Born for FPS Games

HEAR FROM GAMERS

Choose the Right Sound Card

Gaming Audio Flagship

Hyper Footstep Radar

Reveal Fine Details with Ease

Battle Comes Alive

Sound Presets for Immersion

All-Aluminum Alloy Chassis

Compact Size

Intuitive Buttons and Sliders

Ergonomic 5°Angled Design

Rich Connectivity & Controls

Specifications

Reveal Fine Details with Ease

Battle Comes Alive

Sound Presets for Immersion

StepSense™
Tracks Enemies Beyond Your Vision