Self contained portable pa units based on the qr series speaker cabinet built in amplifier operating from mains or internal rechargeable battery powering a main driver and compression driven horn unit a pair of vhf handheld wireless microphones are included with the receiver built into the mixeramp section at the rear along with 2 further mic inputs auxiliary line input and integral usbsd media player a moulded handle and pole mount are included and a retractable trolley handle and rear wh