It's the quick, problem solver

Megaphones, pistol grip or shoulder strap 

Think of it as the cheapest quick fix solution for instant paging, in seconds you can be up and running and controlling the situation at hand.

Whether you are a fire warden, school teacher, lifeguard office or factory worker communication with others needs to be quick, for such little cost the megaphone would be something you should consider. For the full range of megaphones click  MEGAPHONES