Thomson Home Cinema System DPL 2907. Optical disc player type: DVD player. RMS rated power: 200 W, Audio output channels: 5.1. Center speaker RMS power: 30 W, Center speaker impedance: 4 Ом. Satellite speakers RMS power: 30 W, Satellite speaker impedance: 4 Ом. Subwoofer RMS power: 50 W, Subwoofer frequency range: 45 - 200 Hz