Level up your game audio The GSX 300 external sound card is the first upgrade step for the gamer passionate about the quality of their game audio. For the gamer with a good quality headset that is seeking to invest in their gaming gear for better performance without jumping off the top end in complexity and price the GSX 300 external sound card will deliver the goods.Used in line between the headset and the PC with the GSX 300 delivers high resolution audio in stereo and customizable 7.1 surround sound with the PC gaming suite.As most gamers know high quality game audio which delivers realism and positional accuracy helps with your in-game reactions and performance. Level up your game audio and hence your game performance with the GSX 300 external sound card. A small investment in price a huge advancement in your game audio and performance..