Megaphones are useful tools for transmitting information faster and louder to a large group or over a large area, especially if the environment is noisy. Skip to content FOX31 Denver ...

However, for outdoor, especially for emergencies, a 50-watt megaphone will work best. Product Brand Name Price; Croove: Croove Megaphone Bullhorn With Siren, 30 Watt Powerful and Lightweight: ...

Worth checking out. BSN Sports Mini Megaphone. What you need to know: This miniature 8-watt megaphone is not intended to reach extremely high volumes or carry long distances, but it packs a punch ...