Teufel Impaq 3100 Mk 2 Set L. Optical disc player type: DVD player, Disc types supported: BD, CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Playback disc formats: CD audio, DVD video, SVCD, VCD. Video formats supported: H.264, MPEG1, MPEG2, MPEG4, WMV, XVID. Audio output channels: 5.1, Audio decoders: Dolby Digital, Dolby Digital Plus, Dolby Pro Logic II, Dolby TrueHD, DTS, DTS-HD Master Audio, Audio formats supported: MP2, MP3, WAV, WMA. Supported radio bands: AM, FM. Center speaker type: 2-way, Center speaker frequency range: 120 - 20000 Hz, Center speaker crossover frequency: 2500 Hz