This Audio Pipe DJAPB1045CMB Dual 10" 300 Watt PA Speaker With Mic And Tripod is 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 two 10" woofers use a 2" KSV voice coil with a 34 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. This unit comes complete with a tripod stand and microphone.