Philips HTS6515 DVD home theater system. Optical disc player type: DVD player, Disc types supported: CD, CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW, Playback disc formats: CD video, DVD video, SVCD. Video formats supported: DIVX, MPEG1, MPEG2, Analog signal format system: NTSC, PAL, Movie modes: Action, Concert, Drama. Audio output channels: 5.1, Audio decoders: Dolby Digital, Dolby Pro Logic II, DTS, Audio formats supported: MP3, WMA. Supported radio bands: AM, FM. Satellite speaker impedance: 4 Ом