HIGH RESOLUTION AUDIO - The GSX 300 with EPOS engineered audio delivers high resolution 7.1 surround sound (with the proprietary EPOS gaming suite) for acoustic clarity and accuracy 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 SIMPLE AND INTUITIVE DESIGN - The GSX 300 is an in-line upgrade b