LG BH8220B. Optical disc player type: Blu-Ray player, Disc types supported: BD-R, BD-RE, BD-ROM, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW. Video formats supported: 3GP, AVCHD, DIVX, FLV, MKV, MPEG1, MPEG2, MPEG4, RMVB, VC-1, WMV, Video D/A Converter (DAC): 12-bit / 148MHz, Analog signal format system: NTSC, PAL. RMS rated power: 1100 W, Audio output channels: 5.1, Audio decoders: Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS-HD, DTS-HD Master Audio. Supported radio bands: FM, PLL. Front speakers RMS power: 360 W, Front speaker sensitivity: 83 dB, Front speaker impedance: 4 Ом