The Pyle PMPRA213GR Megaphone is a versatile portable bullhorn with powerful 20-watt output, perfect for both indoor and outdoor use. Featuring modes like Talk, Siren, Music, Whistle, and even a 60-second recording feature, this megaphone offers flexibility for a wide range of applications. The built-in automatic siren is ideal for emergencies, while the aux input allows you to stream MP3s and other digital audio files. With an ergonomic pistol grip, adjustable volume control, and a shoulder strap for portability, it s designed for comfort and ease of use. Ideal for events, security, or outdoor activities, it s powered by 4 'C' batteries (not included) for mobility and convenience.