Philips HTS3510. Optical disc player type: DVD player, Disc types supported: CD, DVD. Video formats supported: MPEG1, MPEG2, MPEG4, WMV, XviD. RMS rated power: -, 300 W, Audio output channels: 5.1, Signal-to-Noise Ratio (SNR): 65 dB. Center speaker frequency range: 150 - 20.000 Hz, Center speaker impedance: 8 Ом. Satellite speaker frequency range: 150 - 20.000 Hz, Satellite speaker impedance: 4 Ом