The Pyle PMP20 Megaphone Speaker is compact, portable and powerful! With each iteration of flagship megaphones, Pyle has improved the battery life, power and ergonomic functionality. Control the crowd from a distance with an audio projection range of up to 400 yards. Additional features include switch-activated siren alarm mode, adjustable volume control, along with a convenient folding handle grip -- and it’s all housed in a compact battery operated design (requires (4) x ‘C’ batteries, not included). Enjoy lightweight and versatile PA speaker control with the Pyle Compact Megaphone.