Fosi Audio C3 Gaming External Sound Card USB DAC AMP 7.1

Overview

The Fosi Audio C3 is a gaming DAC/AMP designed for desktop, apartment, and living-room systems that need high-resolution DAC conversion, low-latency gaming audio. Gaming external sound card / USB DAC-AMP with 7.1 surround, footstep enhancement, and desktop EQ controls.

Built for listeners who want measurable performance without a bulky AV receiver, the C3 focuses on clean power, useful I/O, and strong value. Standout points include 7.1 surround and footstep enhancement modes; USB DAC/AMP for PC, PS5, and Switch; On-device equalizer and volume control. Use this product page to compare specs and photos before you buy on Amazon.

Key Features

• 7.1 surround and footstep enhancement modes
• USB DAC/AMP for PC, PS5, and Switch
• On-device equalizer and volume control
• Headphone interface built for competitive FPS

Who It's For

Competitive PC and console gamers, FPS players who care about footstep clarity, streamers, and desktop headphone users who want a dedicated external DAC/AMP instead of motherboard audio. The C3 is also a strong pick for creators who mix game chat, music, and voice chat on one desk.

Setup & Connectivity

On the desk or in a living-room rack, the C3 is easy to integrate: expect digital inputs for PCs, TVs, and streamers, headphone outputs for IEMs and over-ear cans. Review the photos and feature list on this page, then buy through Amazon when you are ready — the same Fosi Audio hardware sold on the official store.

Why Choose the C3

Choose the Fosi Audio C3 when you want 7.1 surround and footstep enhancement modes for competitive gaming and clear PC desktop audio. It sits in the same product family as Fosi’s popular TPA3255 amplifiers, balanced DAC preamps, and gaming DAC/AMPs — compact components that punch above their price on Amazon and the official Fosi Audio catalog.

Why Fosi Audio

Fosi Audio builds compact HiFi amplifiers, DACs, and desktop audio gear that punch above their price. Fosi Audio gaming DAC/AMPs target clear footsteps, mic input convenience, and strong headphone power for PC and console desks. Shop the same products featured on Amazon with specs and photos collected here for easy comparison.

Compare & explore

Browse more gaming audio, compare with Fosi Audio K7 and Fosi Audio K5 Pro, or explore DAC & amp models for source components.