The Azden AWS-4.5 infrared wall mount speaker is for those classrooms that don’t have drop in ceiling tile, using four of these wall mount speakers provides evenly distributed sound throughout the room. Easily mounted to the wall using the included brackets, each speaker features a small, high impact polycarbonate cabinet fitted with a 4 ½" midrange/woofer, a 1" soft dome tweeter and a ½" super tweeter producing well balanced, smooth audio. Designed to handle up to 50 Watts (continuous program) each.