PERFORMANCE SPECIFICATIONS Frequency Response: 20Hz~160Hz(Subwoofer) 100Hz~20KHz(Satellite) Speaker: 5.25" (Subwoofer) 2.5?(Satellite) Subwoofer Size: W200 x H350 x D200mm Satellite Size: W80 x H245 x D80mm Center Box Size: W75 x H185 x D170mm FUNCTION Control Box Panel: Power/ Master/ Bass/ Front/ Rear/ Center