The Ear Force AK-R8 is a complete 5.1 channel surround sound system for your PC or laptop that combines the comfort and isolation of professional-grade gaming headset with a full-featured USB sound card to deliver the full-impact and positional accuracy of true multi-speaker surround-sound. The combination of 8 speakers with dual sub woofers, powered by a multi-amplifier USB sound card enhanced with digital signal processing, forms a perfectly tuned, portable, surround-sound environment for serious gamers and PC audio enthusiasts. Also makes DVD movies sound amazing on your PC.