One small step for your set-up... ...one big step up for your audio. The EPOS GSX 300 gaming soundcard is made for the gamer seeking to make those tiny tweaks and achieve true excellence, no matter the game. No more relying on onboard PC sound - Pair with an EPOS gaming headset and create your perfect audio experience using the EPOS Gaming Suite. Key features High-resolution audio in stereo mode Advanced audio control Customizable smart button for quick mode switch Customizable 7.1 surround sound with EPOS Gaming Suite EPOS Surround; proprietary 7.1 surround sound