Altec Lansing VS3151 6-Piece System Impressive power thrusts you into the gaming and movie experience! Use the 6-Channel Surround Mode with a 6-channel sound card to thrill your senses with the vivid, panoramic experience of true surround sound Use the 2/4 Channel Mode to enjoy immersive six-speaker sound from any source  CD players, MP3 players, or your standard 2 or 4-channel sound card Built-in RCA inputs for your TV or video gaming system 50 Watts total system power