Pyle PMP40 40-Watt Professional Megaphone/Bullhorn
? 40W power;? 1,000-yard range;? Used by US Army, schools & more;? Indoor/outdoor use;? Variable volume control;? Tough housing;? Built-in siren;? Weight: 2.2lbs;? Requires 6 D batteries;? Dim: 8 dia x 13.13L;