---
product_id: 214938806
title: "EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized"
brand: "epos"
price: "€ 9.84"
currency: EUR
in_stock: false
reviews_count: 13
url: https://www.desertcart.gr/products/214938806-epos-gsx-300-external-computer-sound-card-high-resolution-stereo
store_origin: GR
region: Greece
---

# Quick Micro USB & 3.5mm setup Customizable game sound profiles High-res stereo & 7.1 surround EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized

**Brand:** epos
**Price:** € 9.84
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Elevate your audio game — hear what others miss!

## Quick Answers

- **What is this?** EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized by epos
- **How much does it cost?** € 9.84 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/214938806-epos-gsx-300-external-computer-sound-card-high-resolution-stereo)

## Best For

- epos enthusiasts

## Why This Product

- Trusted epos brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Audio Legacy:** Built on 115 years of EPOS innovation, delivering premium sound quality that commands respect.
- • **Plug & Play Simplicity:** Fast Micro USB connection with dedicated headset & mic jacks for effortless setup.
- • **Intuitive LED Volume Dial:** Large illuminated dial for instant, tactile volume control without breaking focus.
- • **Smart Button Customization:** Seamlessly switch between stereo, surround, and personalized sound profiles on the fly.
- • **Immersive 7.1 Surround Sound:** EPOS-engineered surround sound tailored for pinpoint gaming audio precision.

## Overview

The EPOS GSX 300 is a sleek external USB sound card designed for Windows 10 users seeking high-resolution stereo and customizable 7.1 surround sound. Featuring quick Micro USB connectivity, dedicated headset and microphone jacks, and an intuitive LED volume dial with a programmable smart button, it enhances gaming and music audio realism. Backed by EPOS’s 115-year heritage, it offers professional-grade sound clarity and positional accuracy, making it a must-have for discerning gamers and audiophiles stepping up their audio setup.

## Description

The EPOS GSX 300 external USB computer sound card is designed for passionate gamers seeking an enhanced audio experience without relying on their PC sound card. Quickly connect a gaming headset inline with the PC using the 3.5 mm headset jack and 3.5 mm microphone jack, and Micro USB connectivity makes setup easy. GSX 300 delivers high-resolution audio in stereo and customizable EPOS-engineered 7.1 surround sound through the PC Gaming Suite. The result is enhanced audio realism and positional accuracy for an upgraded gaming experience. The GSX 300 Snow Edition sports a contemporary high-tech white design that complements any gaming setup. The external sound card’s intuitive controls feature a large manual volume dial with illuminated LED ring, allowing for quick volume adjustments on the fly, as well as a customizable smart button for easily switching between stereo and 7.1 surround sound or between sound profiles. Automatic synchronization with Windows 10 sound lets you monitor sound levels at a glance. Backed by 115 years of innovation and a continued drive for excellence, EPOS is passionate about creating products that exceed expectations and set new benchmarks in gaming audio.

Review: Gateway purchase to the next level of GSX... - This is an unusual gadgetry targeted at gamers but I find this to be indispensable for anyone with an ear for details and looking for sound quality in terms of enhancement of resolution. It just crystallizes the sound source and opens up the soundstage instead of filling it with echoes which other “virtual 7.1 sound cards” do. So “sheerness” is a five star- I would give a bonus star if I could, given the price point you will only be able to get soundcards that makes everything you hear blurrier and more “echowy”. One thing I disliked is the requirement for the installation of standalone software (even if it comes with equalizer function) that just gets in the way of being an external hardware completely, which is what it appears and was marketed to be. Volume control was somewhat N/A for me as I used volume knob on my keyboard to control instead of the GSX300 knob. After having a satisfying experience with both music and games, I cannot help but recommend with some reservation that this purchase will only embolden you to buy the GSX1000, which does not require software installation on your computer to function, and gives you an extra (I think 30% more) “sheerness”. Don’t get me wrong, you won’t regret this purchase if the inconveniences I described does not apply to you. It is an unbeatable performance at this price range. I recommend you get this and spend more money on getting a proper openback headphone with a good soundstage. Just remember you are stepping into audiophile territory when you deal with openback headphones, and this sound card cannot drive anything higher than 100 ohm in impedance.
Review: The story with PS5 - I was really curious to know if this would work on PS5, but couldn't find any information about that, here or anywhere else. So I decided to buy it, try it, and report back. If you're interested in game audio, but turned off by Xtreme Gam3r features like RGB lights, ultra mega bass, and the promise to ruin your EQ to emphasize footsteps, the world of gaming DAC/amps rapidly shrinks. Hey, guy: not everyone is focused on competitive shooters. Some of us are over here playing Death Stranding, feeling the feels when the desolate landscape opens up at the same time as the lonely soundtrack. I was left looking at this GSX 300, and the Fulla E. The Fulla is beloved when it works, but costs more and the company has a bad rep in quality assurance. It made sense to start with the GSX 300, risking the Fulla E if this doesn't work out. It does work! Despite the Q&A section here being full of assertions from EPOS that it absolutely needs a Windows 10 PC and their special software to operate, right out of the box it is detected by the PS5 as a headphone output and a mic input. Up and running in seconds. It does seem to need the console's front USB port to power it, as the others did nothing. Sound quality is subjective, but I challenge you to compare this with the congested sound coming directly out of a controller and not be impressed. I've seen tests showing the GSX 300 delivers a genuinely flat EQ, so any tonality is really down to your headphones. I'm driving a pair of EPOS Sennheiser Game Zeros, the latest version, which I think are 50 Ohms, and getting a nice balanced sound, with a taut, clean bass that reaches low, and some bite in the mids and highs when you turn up. These phones are great at making sounds in the game world feel solid. The biggest surprise after plugging in the GSX 300 was that Sidetone mic monitoring was also working right away. If you have access to a PC, then Hallelujah: against all odds, changes you make to the Sidetone level using the EPOS Gaming Suite software are retained when you reconnect to the PlayStation. By default it's at around 30%, which is subtle but enough to avoid that screaming into the void feeling on closed-back headphones. I like it around 50%. That's about it for advanced features. The button on the front does not function when connected to a PS5. So no switching through custom EQ profiles or enabling simulated 7.1 surround. This is as I'd suspected, and suits me fine as I was really just shopping for a flat EQ and 2.0 stereo. That volume knob on the front is not a real mechanical volume pot, with a beginning and an end; it's a digital parameter wheel that spins and spins. As such, the GSX 300 forgets where you've set the volume each time you switch off the power, which is not super convenient. Luckily, it defaults to a sensible, usable level each time you switch on, probably 50%. My last gaming DAC/amp, a tiny thing from HyperX, would default to 0% volume every time, which became irritating. The GSX default volume might not be thrilling, but it's enough for casual day to day gameplay, and I can clearly hear my friends and the game's audio. If you want more, reach for the dial. While we're on volume: everyone seems to have their own requirements, but to me, with these ears and these headphones, with both the PlayStation output and the GSX cranked all the way up, it's just on the edge of being uncomfortable. Gunshots have a hard movie-theater bark, and bass develops that strong sensation of pressure. I wouldn't play like this for long. However, it won't go to crazy levels. If you like to feel like you've always got more in the tank, this may not be for you. Curiously, on both PC and Mac (yes, it works on my MacBook, too; the knob natively controls the system audio level) it's about twice as loud. I don't know why console audio is attenuated by half, but it seems we can't blame EPOS Sennheiser, as it's the same deal with my old HyperX DAC/amp. This is after the latest firmware update, which promises increased max volume. One last caveat. The blue LED around the volume control is large and bright. It seems predictable that a device like this will end up near your screen, whether that's your desktop monitor or a TV, and therefor in your field of vision. Making it as big and distracting as it is feels like an oversight. I hoped to find a control in the EPOS Gaming Suite software to lower or disable this light, as AV amps tend to allow, but no luck. I find myself facing the device away, which is a shame, as it's an otherwise lovely, simple piece of design, so much visually quieter than the usual gaudy gamer hardware. The white version compliments the PS5 nicely.

## Features

- EXTERNAL SOUND CARD - Easy-to-install external sound card delivers high-resolution audio for acoustic clarity and audio realism
- 7.1 SURROUND SOUND CAPABLE - Customizable EPOS-engineered 7.1 surround sound through PC Gaming Suite lets you set sound profiles for different games by balancing and focusing frequencies where they are most needed
- QUICK CONNECTIVITY - Micro USB connectivity; 3.5 mm headset socket and 3.5 mm microphone socket make for fast setup
- NTUITIVE DESIGN - Make quick adjustments with the large manual volume dial, plus switch easily between stereo and surround sound modes or between sound profiles with the customizable smart button
- A NAME YOU CAN TRUST - Built on 115-years of experience with innovation and sound, EPOS is passionate about creating pioneering high-end audio products that exceed expectations and set new benchmarks in gaming audio

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B088FXH2GK |
| Audio Output Mode | Surround Sound |
| Best Sellers Rank | #32,900 in Video Games ( See Top 100 in Video Games ) #731 in PC Game Headsets |
| Brand | EPOS |
| Built-In Media | GSX 300, Quick Start guide, Safety Guide, USB cable |
| Compatible Devices | Personal Computer, Laptop, Headphone |
| Customer Reviews | 3.7 out of 5 stars 468 Reviews |
| Hardware Connectivity | USB |
| Hardware Interface | USB |
| Hardware Platform | PC |
| Item Weight | 160 Grams |
| Manufacturer | EPOS | Sennheiser |
| Maximum Sample Rate | 96 KHz |
| Mfr Part Number | 1000201 |
| Model Name | GSX 300 |
| Model Number | 1000201 |
| Platform | Windows, Windows 10 |
| Signal-to-Noise Ratio | 10 dB |
| Surround Sound Channel Configuration | 7:1 |
| UPC | 840064400022 |
| Unit Count | 1.0 Count |
| Warranty Description | 2 Years |

## Product Details

- **Audio Output Mode:** Surround Sound
- **Brand:** EPOS
- **Compatible Devices:** Personal Computer, Laptop, Headphone
- **Hardware Interface:** USB
- **Platform:** Windows, Windows 10

## Images

![EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized - Image 1](https://m.media-amazon.com/images/I/61llzcYynSL.jpg)
![EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized - Image 2](https://m.media-amazon.com/images/I/81jFLW0BkSL.jpg)
![EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized - Image 3](https://m.media-amazon.com/images/I/71g9zo0Mq2L.jpg)
![EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized - Image 4](https://m.media-amazon.com/images/I/813jJSPjkSL.jpg)
![EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized - Image 5](https://m.media-amazon.com/images/I/61uBd9LvhuL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Esta tarjeta de sonido es compatible con la Xbox series X?**
A: Hola y gracias por su pregunta. Lamentablemente, la tarjeta de sonido sólo es compatible con el PC. Espero que esto responda a su pregunta. Saludos cordiales del equipo de soporte de EPOS.

**Q: does this work without software?**
A: Hi there!

The GSX 300 does work without software (it will process the sound coming through it), however all the functionalities and benefits can be adjusted inside the software, so it wouldn't make sense not to download it. 

Please note, that the software and GSX 300 are only compatible with PC, so if you wish to buy the GSX 300 for a Mac/PS (where the software doesn't work), this is not possible, unfortunately. 

Regards,
EPOS

**Q: Will this fix the static sound my mic produces? i have the epos 602.**
A: This unit has mic volume issues as well. Wouldn't recommend it for microphone troubles. I've been dealing with their support unsuccessfully for software and mic issues.

**Q: Will this work with the sennheiser pc 373d - 7.1 surround sound gaming headset?. the headset is 50 impedance. what benefit would i get with this unit?**
A: Consider this an upgrade to your model's stock USB surround sound card/dongle. We're not talking about audiophile headphones that won't run straight out a motherboard's soundcard. This is the perfect for you.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Gateway purchase to the next level of GSX...
*by O***L on January 22, 2021*

This is an unusual gadgetry targeted at gamers but I find this to be indispensable for anyone with an ear for details and looking for sound quality in terms of enhancement of resolution. It just crystallizes the sound source and opens up the soundstage instead of filling it with echoes which other “virtual 7.1 sound cards” do. So “sheerness” is a five star- I would give a bonus star if I could, given the price point you will only be able to get soundcards that makes everything you hear blurrier and more “echowy”. One thing I disliked is the requirement for the installation of standalone software (even if it comes with equalizer function) that just gets in the way of being an external hardware completely, which is what it appears and was marketed to be. Volume control was somewhat N/A for me as I used volume knob on my keyboard to control instead of the GSX300 knob. After having a satisfying experience with both music and games, I cannot help but recommend with some reservation that this purchase will only embolden you to buy the GSX1000, which does not require software installation on your computer to function, and gives you an extra (I think 30% more) “sheerness”. Don’t get me wrong, you won’t regret this purchase if the inconveniences I described does not apply to you. It is an unbeatable performance at this price range. I recommend you get this and spend more money on getting a proper openback headphone with a good soundstage. Just remember you are stepping into audiophile territory when you deal with openback headphones, and this sound card cannot drive anything higher than 100 ohm in impedance.

### ⭐⭐⭐⭐ The story with PS5
*by G***N on September 6, 2022*

I was really curious to know if this would work on PS5, but couldn't find any information about that, here or anywhere else. So I decided to buy it, try it, and report back. If you're interested in game audio, but turned off by Xtreme Gam3r features like RGB lights, ultra mega bass, and the promise to ruin your EQ to emphasize footsteps, the world of gaming DAC/amps rapidly shrinks. Hey, guy: not everyone is focused on competitive shooters. Some of us are over here playing Death Stranding, feeling the feels when the desolate landscape opens up at the same time as the lonely soundtrack. I was left looking at this GSX 300, and the Fulla E. The Fulla is beloved when it works, but costs more and the company has a bad rep in quality assurance. It made sense to start with the GSX 300, risking the Fulla E if this doesn't work out. It does work! Despite the Q&A section here being full of assertions from EPOS that it absolutely needs a Windows 10 PC and their special software to operate, right out of the box it is detected by the PS5 as a headphone output and a mic input. Up and running in seconds. It does seem to need the console's front USB port to power it, as the others did nothing. Sound quality is subjective, but I challenge you to compare this with the congested sound coming directly out of a controller and not be impressed. I've seen tests showing the GSX 300 delivers a genuinely flat EQ, so any tonality is really down to your headphones. I'm driving a pair of EPOS Sennheiser Game Zeros, the latest version, which I think are 50 Ohms, and getting a nice balanced sound, with a taut, clean bass that reaches low, and some bite in the mids and highs when you turn up. These phones are great at making sounds in the game world feel solid. The biggest surprise after plugging in the GSX 300 was that Sidetone mic monitoring was also working right away. If you have access to a PC, then Hallelujah: against all odds, changes you make to the Sidetone level using the EPOS Gaming Suite software are retained when you reconnect to the PlayStation. By default it's at around 30%, which is subtle but enough to avoid that screaming into the void feeling on closed-back headphones. I like it around 50%. That's about it for advanced features. The button on the front does not function when connected to a PS5. So no switching through custom EQ profiles or enabling simulated 7.1 surround. This is as I'd suspected, and suits me fine as I was really just shopping for a flat EQ and 2.0 stereo. That volume knob on the front is not a real mechanical volume pot, with a beginning and an end; it's a digital parameter wheel that spins and spins. As such, the GSX 300 forgets where you've set the volume each time you switch off the power, which is not super convenient. Luckily, it defaults to a sensible, usable level each time you switch on, probably 50%. My last gaming DAC/amp, a tiny thing from HyperX, would default to 0% volume every time, which became irritating. The GSX default volume might not be thrilling, but it's enough for casual day to day gameplay, and I can clearly hear my friends and the game's audio. If you want more, reach for the dial. While we're on volume: everyone seems to have their own requirements, but to me, with these ears and these headphones, with both the PlayStation output and the GSX cranked all the way up, it's just on the edge of being uncomfortable. Gunshots have a hard movie-theater bark, and bass develops that strong sensation of pressure. I wouldn't play like this for long. However, it won't go to crazy levels. If you like to feel like you've always got more in the tank, this may not be for you. Curiously, on both PC and Mac (yes, it works on my MacBook, too; the knob natively controls the system audio level) it's about twice as loud. I don't know why console audio is attenuated by half, but it seems we can't blame EPOS Sennheiser, as it's the same deal with my old HyperX DAC/amp. This is after the latest firmware update, which promises increased max volume. One last caveat. The blue LED around the volume control is large and bright. It seems predictable that a device like this will end up near your screen, whether that's your desktop monitor or a TV, and therefor in your field of vision. Making it as big and distracting as it is feels like an oversight. I hoped to find a control in the EPOS Gaming Suite software to lower or disable this light, as AV amps tend to allow, but no luck. I find myself facing the device away, which is a shame, as it's an otherwise lovely, simple piece of design, so much visually quieter than the usual gaudy gamer hardware. The white version compliments the PS5 nicely.

### ⭐⭐⭐⭐⭐ Great Product
*by V***X on April 28, 2021*

Solid build. Easy installation. Sennheiser | EPOS software is great on giving information at what each adjustments do. Great sound quality. Once you finally found the right settings, it's great. Just need your friends to help you out on setting the mic quality/sound from their end- that way your "initial" word/syllable doesn't get cut off when you start talking because of the mic "gate" ..... and that annoyance of hearing the other person's/your keyboard clicking. find the right setting so it doesn't pick up the keyboard clicking but also the right mic gate that your voice doesn't get cut off.

## Frequently Bought Together

- EPOS GSX 300 - External Computer Sound Card - High-Resolution Stereo & 7.1 Surround Sound - LED Volume Dial; Customizable Smart Button - Windows 10 Synchronized
- beyerdynamic DT 990 Pro 250 ohm Over-Ear Studio Headphones For Mixing, Mastering, and Editing
- EPOS Gaming B20 Streaming Microphone - 2.9m Cable USB-C Computer Microphone for Gaming - PC & Laptop Connection with Audio Controls - Compatible with PC, Mac, and PS4/5 - Desk Stand Included, Gray

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-05-27*