Altec Lansing 121 Powered Speaker System (3 Speakers) 3-piece speaker system with 2 satellite speakers and ported subwoofer Ideal for PCs, gaming consoles, portable CD players, and MP3 players Built-in on/off, master volume, and subwoofer volume controls Magnetically shielded for video use; color-coded cables 8 watts RMS power (2 watts x 2 plus 4-watt subwoofer)