This is a Audio Pipe DJAPBD1560UB Dual 15" 1000 Watt PA Speaker made of ABS plastic from Audio Pipe DJAPBD1560UB. It has a 2-Way configuration with an active filter and comes with a built in handle wheels for portability. The two 15" woofers uses a 2" KSV voice coil with a 40 oz. magnet and the horn is made of a 2.5" Titanium driver. This unit is equipped with a Class A/B amplifier and has a USB Host/SD MP3 player. It also has a line output that allows for linking of additional powered cabinets. The rechargeable batteries are dual 12Volt / 12 Ah and this unit is 100V/220V switchable.