Specification:  Power Output:------------------------------------------------------RMS14W (8W+3Wx2)                                                                                                  RMS20W (10W+5Wx2)                                                                                                  RMS35W (15W+10Wx2)Speaker Driver: -------------------------------------Woofer: 4 inch; Satellite: 2 inch x 2Subwoofer Speakers: -------------------------------------------30Hz-180HzSatellite Speakers:------------------------------------------------180Hz-18KHzSeparation: --------------------------------------------------------->=45dBS/N ratio: ------------------------------------------------------------>=75dB