2.1 Home theatre, 2.1 series Speaker, 2.1 Multimedia Speaker,USD Port, SD Card input 2.1 Home theatre, 2.1 series Speaker, 2.1 Multimedia Speaker S-200LWith ... : 150Hz~20kHz Driver Unit: Subwoofer : 5.25" Satellite 3'" x 2 Size: Subwoofer : 140mm(W) x 300mm(H) x 295mm(D ...