This is Audio Pipe's DJAP1564ACMB 500 Watt 15" Professional High Powered Bluetooth PA cabinet made of ABS plastic. It has a 2-Way configuration with an active filter and comes with a built in handle wheels for portability. The 15" woofer 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 AB amplifier and has a USB Host/SD MP3 player. It also has a line output that allows for linking of additional powered cabinets. This unit comes complete with tripod speaker stand and microphone. This unit is 100V/220V switchable.