Public address systems

A public address system (PA system) is an electronic amplification system with a mixer, amplifier and the Public address speaker which are used to reinforce or amplify the information given by the fire officer, or by any others who have seen a fire and evacuating people from a fire hazard area. They are connected to a Console, Amplifier, Microphone and P A Speaker.These devices are used to evacuate the people from a fire hazard area.Some PA systems have speakers that cover an entire campus of a college or industrial site, or an entire outdoor complex (e.g., an athletic stadium). More than often this PA system will be used as voice system that make announcement during emergency to evacuate the occupants in a building.‚Äč