The Pyle PMP40 Megaphone Speaker provides portable and powerful audio projection ability! With each iteration of flagship megaphones, Pyle has improved the battery life, sound power and ergonomic functionality. Control crowds from distances of up to 1,000’+ feet with handheld wireless performance. Additional system features include button-activated siren alarm mode, adjustable volume control, along with an included detachable wired microphone for convenient voice talking projection -- and it’s all housed in a battery operated design (requires (6) x ‘D’ batteries, not included). Enjoy portable and powerful PA speaker control with the Pyle Megaphone Speaker.