The Pyle PMP53IN Megaphone Pa Speaker delivers powerful audio projection with a 50W output, allowing you to project your voice over 1,700 yards. This versatile megaphone features three modes: talk, siren, and MP3/Aux input. It includes a coiled-cord handheld microphone for clear voice projection and an Aux input to stream audio from external devices. With adjustable volume control and a continuous siren mode, this megaphone is perfect for crowd control and events. It is battery-operated (requires 8 x 'C' batteries, not included) and designed with an ergonomic pistol grip for easy handling.