provide beautiful sound and with various accessories function preferential price reasonable , is the home audio best choice. MODEl NO: 5110AOutput power: 20W+5W*5S/N RATIO:>=75dB Speaker specifications:3",magnetically shielded,3Ω,5W Subwoofer:5.25",magnetically shidlde,4Ω,20WDimension: Subwoofer: 188*320*300mm Satellite:90*85*160mmCarton Box Size:682*396*350 mm Color box: 368*336*316mm592sets/20' ...