Altec Lansing GT5051 5.1 Surround Sound Speaker System 5.1 surround sound speaker system with unique "stacked" front and rear speakers Angled rear speakers sit atop front speakers without sacrificing surround performance Center channel speaker broadcasts crystal-clear dialogue; 5.25-inch ported subwoofer Dual mode selector offers choice between 6-channel and 2/4-channel modes 80 watts continuous RMS power (10 watts x 5, plus 30-watt subwoofer)