The SteelSeries Siberia USB Soundcard is a 7.1 virtual soundcard, which is an improved alternative from your normal on board soundcard.
Designed for gamers with onboard soundcards and/or gamers who regularly find themselves playing at third party computers, the Siberia USB Soundcard features a 12 channel equalizer that allows for tweaking to personal preferences, while the built-in effects processor can provide ambience and other effects.
Surround sound: Virtual 7.1
Equalizer: 12 channels
Jacks: 2 x 3,5 mm (USB cable included)
Operating systems: Win XP/Vista/Win 2000/Win 98/Win ME/Mac OS or a Sony Playstation 3