Teufel LT 2 "Set L". Audio output channels: 5.1, Recommended usage: Home theatre. Satellite speakers RMS power: 80 W, Satellite speaker impedance: 8 Ом, Satellite speaker tweeter size: 25.4 mm (1 "). Center speaker RMS power: 80 W, Center speaker impedance: 8 Ом, Center speaker tweeter size: 25.4 mm (1 "). Subwoofer RMS power: 170 W, Subwoofer driver size: 248.9 mm (9.8 "). Power source: AC, AC input voltage: 230 V, Power consumption (standby): 1 W