Sony Home Cinema Set DAV-X1. Optical disc player type: DVD player, Disc types supported: CD-R/RW, DVD, DVD-R/+R/+R DL/+RW/-RW/-RW(VR). RMS rated power: 300 W, Audio output channels: 2.1, Audio decoders: Dolby Digital, DTS. Satellite speakers RMS power: 50 W. Subwoofer RMS power: 100 W. Center speaker dimensions (WxDxH): 162 x 134 x 76 mm, Center speaker weight: 0.8 kg, Subwoofer dimensions (WxDxH): 205 x 392 x 498 mm