Sony Home Theatre kit HTD-725SS. Optical disc player type: DVD recorder. RMS rated power: 1000 W, Audio output channels: 5.1, Audio decoders: Dolby Digital, DTS. Satellite speakers RMS power: 5 W. Subwoofer RMS power: 285 W. Center speaker dimensions (WxDxH): 250 x 85 x 99 mm, Center speaker weight: 0.72 kg, Subwoofer dimensions (WxDxH): 200 x 334 x 380 mm