The Behringer Eurolive B115D Active 1000 W 2-Way 15"" Pa Speaker System is a versatile yet portable, integrated Pa system with a built-in audio mixer, 1000 W amplifier and more. The B115D is designed in a lightweight speaker cabinet with a 15"" long excursion driver and 1.35"" compression tweeter installed in a large format horn. Behringer's Wireless Ultralink Usb microphone system is optional and adds the convenience of a wireless microphone to this already versatile system. The cabinet features a speaker pole mount on the base, line and microphone audio inputs, high and low Eq, level controls for each channel and more..