20W & UP TO 80 DB FOR AUDIENCES UP TO 150TREBLE & BASE CONTROLS WIRELESS ANTENNA POWER INDICATOR MICROPHONE & CD INPUTS RECORD LINE OUT & ECHO FUNCTION20W OF POWERINCLUDES AC ADAPTER CARRYING CASE & WIRELESS HAND-HELD MICROPHONEREQUIRES 8 D BATTERIESDIM: 11.25"H X 9"W X 6.5"DWILL NOT WORK WITH NICD RECHARGEABLE BATTERY PACK S1465UPC : 734680102128Shipping Dimensions : 16.40in X 13.70in X 11.60inEstimated Shipping Weight : 15.7005