The Pyle PMPRA514WHI Megaphone offers 50 watts of powerful sound output and is designed with several useful modes, including Talk, Siren, Music, Whistle, and a 60-second recording function. It includes an aux input for streaming MP3 and digital audio files, and the built-in automatic siren alarm is ideal for emergencies. This megaphone features an ergonomic pistol grip and a shoulder strap for easy portability. It connects to external devices like smartphones, tablets, and iPads, and runs on 8 'C' batteries (not included).