Multi-speaker 5.1 Channel Surround Sound Amplified PC Gaming Headset The Ear Force HPA2 5.1 channel Surround Sound PC Headphones combine the comfort and isolation of professional- grade gaming headset with the full-impact and positional accuracy of true multi-speaker surround-sound. A combination of 6 speakers plus dual sub-woofers, powered by a multi-channel amplifier with bass enhancement, lets you hear critical game sound cues all around you while blocking out distractions. A removable microphone also lets you communicate with other players as you hear every nuance of the game. Also makes DVD movies sound amazing on your PC!