Samsung HT-D455, DVD player, CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, 1 discs, WMV, 5.1 channels, 850 W Samsung HT-D455. Optical disc player type: DVD player, Disc types supported: CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Number of optical discs: 1 discs. Video formats supported: WMV. Audio output channels: 5.1 channels, RMS rated power: 850 W, Audio decoders: Dolby Digital, Dolby Pro Logic II, DTS. Center speaker type: 2-way. Front speaker weight: 2.7 kg, Subwoofer dimensions (W x D x H): 168 x 295 x 350 mm, Subwoofer weight: 3.8 kg