Sony 5.1ch DVD home cinema system. Optical disc player type: DVD player, Disc types supported: DVD-RW(CPRM)/DVD-R/+R/+R DL/+RW/-RW/-RW(VR)/CD / Video CD. Video D/A Converter (DAC): 108MHz/12bit. RMS rated power: 850 W, Audio output channels: 5.1, Audio D/A Converter (DAC): 48kHz/24bit. Center speaker RMS power: 142 W. Satellite speakers RMS power: 4 W