Public Address System

The PA system is a sound enhanced and transmitting system that is used by public administration in broadcasting background music to radio air, rail and sports terminals, and includes a microphone, a music source player, an amplifier, a zone generator and a loudspeaker. It can be used by the management or receptionist as an emergency assistance broadcasting service. It can be used by the Fire Department to broadcast notification of an emergency evacuation during a fire or serious emergency. Small spaces include school auditorium, churches, small bars, and often used for announcement and emergency evacuation, such as hospitals, stadiums, large passenger ships or aircraft, in public, institutional and industrial buildings and places.