Trust GSP-421, 120 W, Universal, Black, Red, 60 W, 10 W, 20 - 20000 Hz Trust GSP-421. RMS rated power: 120 W, Recommended usage: Universal, Product colour: Black, Red. Satellite speakers RMS power: 10 W, Satellite speaker frequency range: 20 - 20000 Hz, Satellite speaker impedance: 4 Ω. Subwoofer RMS power: 40 W. Power source: AC, AC input voltage: 100 - 240 V. Connectivity technology: Wired, Line-in connectivity: 3.5 mm