... Multimedia Home Speaker Features: Volume,Treble,Bass,Power,FM, USB ,SD card reader ,RemoteOutput power: 52W(20W+8W*4)Drivers: 5.25" woofer, 3 ... " full range Satellite Size: W98xH140xD85mmSubwoofer Size: W160xH273xD330mmGift Box Size: L553xW206xH300mmCarton Size: L636xW568xH322mm Product Picture: 4.1 Multimedia Power Home Speaker