Microlab FC 360 5.1. Audio output channels: 5.1, RMS rated power: 100 W, Recommended usage: Home theatre. Amplification device type: amplifier, Amplification device form factor: stand-alone, Amplifier output power: 100 W. Satellite speakers RMS power: 70 W, Satellite speaker tweeter size: 63.5 mm (2.5 "). Subwoofer type: active, Subwoofer RMS power: 30 W, Subwoofer driver size: 165.1 mm (6.5 "). Power source: AC