Philips HTS3251. Optical disc player type: Blu-Ray player, Disc types supported: BD-R, BD-RE, CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW. Video formats supported: AVCHD, DIVX, MPEG1, MPEG2, MPEG4. RMS rated power: 300 W, Audio output channels: 5.1, Audio decoders: Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS-HD. Supported radio bands: FM. Satellite speakers RMS power: 150 W, Satellite speaker frequency range: 150 - 20000 Hz, Satellite speaker impedance: 4 Ом