4.1 home speaker 1.speaker size 5.25 inch,40W 2.satellite 3 inch,12W*4 3.Manufacturer supply 4.15 days delivery 4.1 home speakerIC 7*2030subwoofer(man made case) thickness 12mm,two pad at the bottoms 30mm+25mmspeaker size 5.25 inch,40Wsatellite 3 inch,12W*5back pannel all steel with radiator (this will ensure the IC working efficiently)frequency response 35-20KHZ(sound clear and subwoofer strong) ...