Fosi Audio C3 Gaming DAC Amp for PC, USB External Sound Card with 7.1 Surround Sound, Desktop Volume Control, Footstep Enhancement, Compatible with PS5, Switch, Laptop, Headset for FPS
Fosi Audio C3 Gaming DAC Amp for PC, USB External Sound Card with 7.1 Surround Sound, Desktop Volume Control, Footstep Enhancement, Compatible with PS5, Switch, Laptop, Headset for FPS
About this item
- StepSense Footstep Radar – Gain the Competitive Edge: Hear footsteps sooner with StepSense technology, which enhances enemy movement while balancing gunfire and explosions. This gaming USB DAC amp helps you react faster and dominate every FPS match.
- 7.1 Surround Sound with Precise Positional Audio: Native 7.1 surround sound and HRTF processing create immersive 360° audio through any stereo headset. This USB sound card for PC helps you pinpoint footsteps, vehicles, and enemy locations with confidence.
- HiFi USB DAC Amp with Powerful Headphone Output: Featuring the flagship CS43131 DAC, supporting 32-bit/384kHz PCM and DSD256. Delivers 320mW ×2 output to drive 16–300Ω headphones with exceptional detail for gaming, music, and movies.
- Intelligent Noise Cancellation & Custom EQ: Reduce keyboard and background noise with Intelligent mic processing. Fine-tune your sound using browser-based controls with presets and custom EQ profiles for gaming, music, and streaming.
- Premium Aluminum Design for PC, PS5 & Switch: Compact CNC aluminum body with ergonomic controls and a single USB-C connection for a clean desktop setup. Switch between UAC 1.0 and 2.0 for seamless gaming and HiFi playback across PC, PS5, Switch, and Mac.
- UAC Mode Switching - UAC 1.0 (16bit/48kHz) enables plug-and-play console compatibility with PS5 and Switch, , 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.
Overview
- Compatible Devices: Desktop, Gaming Console, Headphone, Microphone, Tablet
- Brand: Fosi Audio
- Hardware Interface: USB
- Audio Output Mode: Stereo
- Platform: Windows
Couldn't load pickup availability
15 in stock
View full details

Reviews
-
⭐⭐⭐⭐⭐
Daniel Brooks — Austin, Texas
Questnory has a useful selection of gaming and tabletop accessories. I picked up a controller stand and a few desk organization items, and they helped make my setup feel much cleaner. The product descriptions were clear, and I would shop here again.
-
⭐⭐⭐⭐⭐
Emily Parker — Seattle, Washington
I ordered a few gaming accessories from Questnory, and everything fit nicely into my setup. The products were easy to use, arrived in good condition, and felt practical for everyday gaming. I especially liked how simple it was to browse different categories and find what I needed.
-
⭐⭐⭐⭐⭐
Jason Reed — Portland, Oregon
I ordered a playmat and a set of tabletop accessories from Questnory. The items were practical, easy to store, and added a nice touch to our gaming table. I also liked the variety of products available for both video gaming and tabletop play.
-
⭐⭐⭐⭐⭐
Lauren Mitchell — Denver, Colorado
I found several board game accessories that worked well for our weekly game nights. The storage items made it easier to organize cards, dice, and smaller pieces between sessions. The overall shopping experience was straightforward and convenient.
Trending Collections
-
PC Gaming Peripherals
Upgrade your gaming setup with PC gaming peripherals designed for smoother control,...
-
Controllers & Simulation Gear
Explore controllers and simulation gear designed to provide responsive input, immersive control,...
-
Gaming Audio & Streaming
Explore gaming audio and streaming equipment designed to improve communication, sound quality,...
-
Power, Cooling & Connectivity
Explore power, cooling, and connectivity accessories designed to keep compatible gaming devices...
FAQ
What types of products does Questnory sell?
Questnory offers gaming accessories, PC peripherals, controllers, streaming equipment, board games, card games, tabletop accessories, RPG supplies, miniatures, storage products, and gaming setup essentials.
How can I check whether a product is compatible with my device or game?
Please review the product description, model number, platform, dimensions, connector type, edition, and compatibility details before ordering. Compatibility may vary between console generations, operating systems, game editions, and device models.
How long does order processing take?
Orders require processing before shipment. Processing times may vary depending on product availability, order volume, and supplier handling. Tracking information will be provided after the order has shipped.
How can I track my order?
Once tracking information becomes available, it will be sent to the email address used at checkout. Tracking updates may take a short time to appear after the shipping carrier receives the package.
Will all items in my order arrive together?
Some products may be shipped separately depending on availability, package size, or fulfillment location. You may receive more than one tracking number when an order is divided into multiple shipments.
Can I change or cancel my order?
Contact us as soon as possible after placing your order. We will review the request, but changes or cancellations cannot be guaranteed once processing or shipment has begun.
What should I do if my item arrives damaged or incorrect?
Contact Questnory promptly with your order number, a description of the issue, and clear photos of the product and packaging. This information helps us review the problem and determine the appropriate next step.
Can I return a product if I change my mind?
Return eligibility depends on the item’s condition, return period, and the requirements listed in our Return & Refund Policy. Products should generally remain unused, complete, and in their original packaging.
Do board game expansions and accessories include the base game?
Not always. Expansion packs, upgrade kits, organizers, miniatures, and accessories may require a separately purchased base game. Please review the product title and description carefully before ordering.
How can I contact Questnory?
For order questions, product concerns, returns, or general assistance, email us at dasrtnhiomkl@gmail.com. Include your order number when contacting us about an existing purchase.
Blog posts
View all-
The Right Game Controller Can Change the Way Yo...
Learn how to choose a game controller based on platform compatibility, wired or wireless connectivity, layout, size, triggers, battery options, and gaming style.
The Right Game Controller Can Change the Way Yo...
Learn how to choose a game controller based on platform compatibility, wired or wireless connectivity, layout, size, triggers, battery options, and gaming style.
-
What to Look for in a Gaming Headset Before You...
Learn what to compare before buying a gaming headset, including compatibility, wired and wireless connections, comfort, microphone design, battery life, sound isolation, and controls.
What to Look for in a Gaming Headset Before You...
Learn what to compare before buying a gaming headset, including compatibility, wired and wireless connections, comfort, microphone design, battery life, sound isolation, and controls.
-
7 Board Game Storage Mistakes ThSmall Gaming De...
Discover ten practical ways to improve a small gaming desk with compact peripherals, vertical storage, monitor stands, cable management, charging solutions, and efficient equipment placement.
7 Board Game Storage Mistakes ThSmall Gaming De...
Discover ten practical ways to improve a small gaming desk with compact peripherals, vertical storage, monitor stands, cable management, charging solutions, and efficient equipment placement.