The MEGAPHONE XT is a HIGH-OUTPUT BATTERY-POWERED MEGAPHONE built for coaches, event marshals, tour guides and emergency communicators who need to be heard over any crowd. Built-in siren, recording playback, and the kind of clarity and projection demanded by professional public address. Rugged, compact and battery-powered for instant deployment, the MEGAPHONE XT delivers crisp speech intelligibility wherever you raise your voice. BEHRINGER VOICE PROJECTION.