[. . . ] [. . . ] The tuning knob on the subwoofer for volume and bass control is convenient for setting personal listening pleasure. Specifications Impedance Output Subwoofer Dimensions Speaker Dimensions Weight 11W RMS (subwoofer) 3. 5W RMS x 2 (satellite) 190 x 157 x 162 mm 88 x 92 x 88 mm 1. 4 kg [. . . ] [. . . ]