Public address systems are electronic devices used to project sounds to a given audience. In its simplest form, it consists of a microphones, amplifiers, loudspeakers. Simple PA system are used in small gatherings – school, churches and meetings. Basically, PA systems are used in any public venue that requires that an announcer, performer, etc. be sufficiently audible at a distance or over a large area.
PA system are invaluable when you need to address a large crowd such as a stadium, market etc where it is impractically impossible for them to hear your voice. PA systems since its invention have been improved on, form simple megaphones, to complex PA systems that requires digital console for it to function. Below are benefits of using a public address system.