Sony BDVL600HPHI.YI. Optical disc player type: Blu-Ray player, Disc types supported: BD-R, BD-RE, BD-ROM, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Playback disc formats: Blu-Ray video, CD audio, DVD video. Video formats supported: M4V, MKV, MPEG4. RMS rated power: 350 W, Audio output channels: 2.1, Audio formats supported: AAC, M4A, MP3, WAV, WMA. Front speaker type: 2-way. Main unit dimensions (WxDxH): 480 x 232 x 46 mm, Front speaker dimensions (WxDxH): 316 x 112 x 112 mm, Front speaker weight: 0.9 kg