Visit Amazon sites : http://www.amazon.com/gp/product/B000068IGN?tag=gallianostore-20

Altec Lansing XA3001 Powered Subwoofer for TV and Gaming

Compact powered subwoofer for use with televisions DVD players personal computers and video-game systems
19 watts of total continuous power RMS 30 watts total peak power
Deep-bass ported subwoofer with 525-inch long-throw woofer and 20 to 150 Hz frequency response -3 dB
Stereo analog leftright RCA inputs compatible with Sony PlayStation Microsoft Xbox Nintendo and GameCube systems
Measures 8 x 8 x 145 inches W x H x D positioned horizontally