What is a Public Address and Sound Systems?

A public address system is a system that consists of a mixer, speakers, amplifiers, microphones (for paging and announcements), input sources (CD player, Cassette Player, or MP3 player). It can be very simple and can become very complex depending on the system needed.

This system is used in different venues to play background music, to read announcements, to page/call someone, or it can also be connected to the fire alarm system in that venue to perform as an evacuation system for emergency calls and announcements.
Public Address and Sound Systems