The Pyle PMPRA214WHI Megaphone is a versatile and portable bullhorn that offers 20 watts of maximum power. It features multiple audio modes, including Talk, Siren, Music, Whistle, and a 60-second recording option. The megaphone has an aux input to stream MP3 and digital audio files, and it comes with a button-activated automatic siren alarm for emergency situations. The ergonomic pistol grip and lightweight chassis make it easy to carry, while the adjustable volume control lets you set the perfect level of sound. It can connect to external devices like smartphones, tablets, and iPads and operates on 4 'C' batteries (not included).