1.2.1 ch home theater 2.RMS:30W+10W*2 3.Speaker unit:4"+ ... input 5. hot selling model by 2010-2011yearSpecification:2.1CH home theatre with remote controller 1,Output power:30W+10W*2 ... : 692*370*675mm/4sets Quantity:1550sets/40HQ 2.1 Piano home theater system speaker ,With usb ,sd ,vfd display, fm , karaoke , mini ...