Teufel Concept E 400. Audio output channels: 5.1, RMS rated power: 325 W, Recommended usage: PC. Amplification device form factor: built-in. Satellite speaker type: 2-way, Satellite speakers RMS power: 35 W, Satellite speaker frequency range: 150 - 20000 Hz. Subwoofer RMS power: 150 W. Power source: AC, AC input voltage: 220-240 V, Power consumption (max): 650 W