2.1ch FM speaker,wooden speaker with FM,subwoofer,active speaker box,home speaker Power:15W+10WX2 Speakers:4''+2"X2 High OutputThis system ... Sub-woofer Driver. 4" Sub-woofer Drive UnitBig Speaker, Big Base. This Speaker system has 4 Inch Sub-woofer. Wooden MadeWooden Made ... got the FCC, CE, ROHS and other international certificates and a number of Patent certificates. Whether in the area of appearance ...