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Fosi Audio C3 Gaming External Sound Card for PC, USB DAC/AMP with 7.1 Surround & Footstep Enhancement, Audio Equalizer & Desktop Volume Control, Headphone Interface for PS5 Switch FPS
Fosi Audio

Fosi Audio C3 Gaming External Sound Card for PC

Bottom line: The Fosi Audio C3 Gaming External Sound Card for PC is a specs-and-price decision rather than a crowd-consensus one in the sound cards category, priced around $109.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$109.99

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Backed by Fosi Audio's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

SpecPicks Verdict

SpecPicks scored Fosi Audio C3 Gaming External Sound Card for PC using a rating × review-volume × price-fit model applied to published specs and reviews across the sound cards category. Fosi Audio's sound cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for sound cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • StepSense Footstep Radar – Hear Enemies Before You See Them Fosi Audio's StepSense technology isolates and amplifies in-game footsteps while keeping gunfire and explosions balanced. Pinpoint enemy direction and distance without cranking the volume – turn every step into a tactical advantage. tarjeta de sonido
  • Hardware-Level 7.1 Spatial Audio – True 360° Immersion Native 7.1 input plus HRTF-based spatial reconstruction delivers precise surround sound through stereo headsets. Plug and play – no drivers needed. Enjoy immersive directional audio in Delta Force, Forza Horizon 5, and more.
  • HiFi-Grade DAC Performance – Hear Every Detail Powered by the flagship CS43131 DAC supporting 32-bit/384kHz PCM and DSD256 with 0.0004% THD+N. The amp delivers 320mW × 2 at 32Ω, driving 16Ω–300Ω headsets to reveal subtle cues others miss.
  • AI Mic Noise Cancellation – Crystal Clear Callouts Advanced AI voice processing suppresses keyboard clicks and background noise with only 50ms latency. Independent mic volume slider and real-time sidetone monitoring keep your comms sharp and your squad coordinated.
  • Desktop-First Minimalist Design – Clean & Battle-Ready CNC-machined aluminum unibody with a 5° ergonomic tilt and tactile controls for no-look operation. Single USB-C connection keeps your desk clutter-free and your focus locked on the game.
  • UAC Mode Switching - UAC 1.0 (16bit/48kHz) enables plug-and-play console compatibility with PS5, Switch, and Xbox, while supporting gaming audio enhancement including FPS footstep detection and combat cue prioritization. UAC 2.0 (32bit/384kHz) unlocks full HiFi decoding for immersive cinematic experiences on PC and Mac.

Full Specifications

BrandFosi Audio
PlatformWindows
ConnectivityUSB-C
Model NumberC3-CA1
CompatibilityPC, PS5, Xbox, Switch, Mac
Built-In MediaFosi Audio C3, USB-A/C to USB-C Cable, User Manua, Y-Splitter Cable
Mfr Part NumberC3-CA1
Audio Output ModeStereo
Hardware PlatformGaming Console, Headphone, Personal Computer
Compatible DevicesDesktop, Gaming Console, Headphone, Microphone, Tablet
Hardware InterfaceUSB
Maximum Sample Rate384 KHz
Warranty Description2 Year Manufacturer
Hardware ConnectivityUSB
Signal-to-Noise Ratio117 dB
Item Dimensions L x W x H3.7"L x 3.69"W x 1.72"H
Surround Sound Channel Configuration7.1
Full listing titleFosi Audio C3 Gaming External Sound Card for PC, USB DAC/AMP with 7.1 Surround & Footstep Enhancement, Audio Equalizer & Desktop Volume Control, Headphone Interface for PS5 Switch FPS

Ready to buy?

Fosi Audio C3 Gaming External Sound Card for PC, USB DAC/AMP with 7.1 Surround & Footstep Enhancement, Audio Equalizer & Desktop Volume Control, Headphone Interface for PS5 Switch FPS is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $109.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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