Cerwin-Vega Cvhd-5.1 Cvhd Series 6-Speaker Home Theater System (Discontinued by Manufacturer) System Includes 2 High-Definition Satellite Speakers & 1 Powered Front-Firing Subwoofer Satellite/Center Channel Speaker Design: Lsw (Line Source Wave) Line Array Technology Freq Resp: 150 Hz22 Khz Recommended Power: 50W125W