LogiLink Active Speaker System. Audio output channels: 2.1, RMS rated power: 10 W, Recommended usage: PC. Amplifier frequency range: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 85 dB, Amplifier/receiver input interface type: 3.5 mm jack. Satellite speaker type: 2-way, Satellite speakers RMS power: 4 W, Satellite speaker impedance: 4 Ом. Subwoofer RMS power: 6 W, Subwoofer impedance: 4 Ом, Subwoofer driver size: 101.6 mm (4 "). Power source: AC, AC input voltage: 230 V, AC input frequency: 50/60 Hz