2.1 Channel Speaker System Model: SP-210 -RMS: Woofer-15W, Satellite-5W -P.M.P.O: 1800W -Speaker unit: Woofer-4" x 1 Satellite-3" x 2 -Control: OFF/ON, 3D Switch, Bass Vol, Treble -Dimension: Woofer: 185 x 200 x 203mm (W x D x H) Satellite: 120 x 120 x 120mm (W x D x H)