Project your message across vast distances with these virtually indestructible Die-cast Aluminum Horn Flares (available in 16″, 18″, and 21″). Designed for harsh outdoor environments like sports stadiums, village squares, and factory yards, they feature a protective PVC ring to prevent impact damage. Simply pair them with a Rotania Driver Unit, mount them using the included heavy-duty ‘U’ bracket, and achieve unparalleled long-throw acoustic performance.