EPOS Audio GSX 300 External USB Sound Card

$79.00 OR

Color: Black - Out of Stock

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Model: 1000201 UPC: 840064400022 Item: 3399

Product Information

Level up your game audio

Designed for the gamer seeking enhanced performance with their gaming headset, the GSX 300 external sound card boosts your audio experience to new levels. A simple to use, well-engineered addition to your gamer arsenal, instead of relying on your PC onboard sound, this is the must-have audio upgrade for your gaming setup. The proprietary EPOS Gaming Suite for Windows® 10 adds audio refinement controls, customization of 7.1 surround sound, and digital noise cancellation to your game. A volume dial allows quick, easy control while gaming, and a smart button toggles between surround and stereo sound or between profile presets. An LED ring around the volume dial illuminates blue for 2.0 and red for 7.1 sound mode. Enjoy enhanced game audio and crisp team communication with this excellent value-for-money, external sound card and let the Power of Audio take you to new dimensions.


  • High-quality external sound card
  • High-resolution audio in stereo mode
  • Customizable 7.1 surround sound with EPOS Gaming Suite
  • Advanced audio control with EPOS Gaming Suite
  • Visual LED mode indicator
  • Excellent value-for-money audio upgrade
  • EPOS Surround; proprietary 7.1 surround sound

External sound card

Upgrade your audio instead of relying on your PC’s onboard sound with the GSX 300 external sound card. There is no need to open up your gaming rig to do a complex installation; the external soundcard is a hassle-free plug-in between your gaming headset and your PC.

High-resolution audio

The GSX 300 with EPOS engineered audio delivers high resolution 24 bit / 96 kHz stereo or 16 bit / 48 kHz 7.1 surround sound (with the proprietary EPOS gaming suite) for acoustic clarity and accuracy for instant reaction and audio realism for an immersive gaming experience.

EPOS Gaming Suite

The proprietary EPOS Gaming Suite for Windows® 10 is the result of years of refinement and audio engineering. Digital sound processing allows the customizing of sound profiles in 7.1 surround sound. Noise gate control and cancellation deliver the acoustic clarity need for crisp game communication.

Simple and intuitive design

The GSX 300 is an in-line upgrade between your headset and PC with simple plug-and-play. Integrated hardware allows finger-tip control of game volume, a customizable smart button lets you toggle between sound modes or profiles, and an LED indicator shows which sound mode or profile you are in.

EPOS Surround

EPOS Surround takes 7.1 surround sound to the next level with our proprietary Binaural Rendering Engine and Digital Amplification; sound so real, it feels alive.



  • General
    • USB standard: USB 2.0
    • Total harmonic distortion: < 0.01%
    • Cable length: 1200 mm
    • Connector plugs:
      • 3.5 mm headset socket
      • 3.5 mm microphone socket
      • Micro USB
    • Compatibility: PC
    • Warranty: 2 years, international
  • Supported sample rates
    • Main Audio:
      • 24 bit 96 kHz
      • 7.1 @ 16 bit 48 kHz with EPOS Gaming Suite
  • Audio outputs
    • Headphones
      • Recommended headphone impedance: 25 - 75 Ω
  • Dimensions
    • Product Dimensions (L x W x H): 3.58" x 3.19" x 1.61"
    • Product Weight: 0.375 lb
    • Cable Lenght: 47.24"
  • Package
    • Dimensions of product packaging (L x W x H): 2.24" x 5.59" x 6.65"
    • Package weight (incl. Complete product and packaging): 0.68 lb

What's in the Box

What's in the Box

  • USB cable
  • Quick Start Guide
  • Safety Guide


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