Genius SW-2.1 360. Audio output channels: 2.1, RMS rated power: 10 W, Recommended usage: PC. Signal-to-Noise Ratio (SNR): 85 dB. Satellite speakers RMS power: 5 W, Satellite speaker frequency range: 75 - 20000 Hz, Satellite speaker impedance: 4 Ом. Subwoofer type: Active, Subwoofer RMS power: 5 W, Subwoofer impedance: 6 Ом. Power source: AC