JBL SCS 140. Audio output channels: 5.1, RMS rated power: 300 W, Recommended usage: Home theatre. Satellite speaker type: 2-way, Satellite speakers RMS power: 10 W, Satellite speaker frequency range: 120 - 20000 Hz. Center speaker frequency range: 120 - 20000 Hz. Subwoofer type: active, Subwoofer RMS power: 100 W, Subwoofer frequency range: 35 - 160 Hz. Power source: AC