The Pyle PMP53iN Megaphone PA Speaker features high-powered audio projection. With each iteration of flagship megaphones, Pyle has improved the battery life, power, and housing ergonomics -- all designed with a form-fitting handheld design in mind. An impressive 50 watt power output allows you to control the crowds up to 1,700 yards away! Additional megaphone features include a wired handheld microphone for voice and talk projection, built-in continuous siren alarm mode, adjustable volume control, Aux (3.5mm) input jack to connect and stream audio from external devices -- and it’s all battery operated, requiring (8) x ‘C’ batteries (not included). Control the crowd and enjoy versatile audio projection ability with the Pyle Megaphone PA Speaker System.