A public address system (PA system) is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to speak to a large public.
Today, Public Addressing System has become a necessity and convenient method to convey information or instructions to people in public-dense areas including It amplifies the input voice or sound and transfers it to a number of speakers at various places, simultaneously. The public addressing system advantages are invaluable. Microphone, amplifier and loudspeakers are fundamental pre-requisites of any event or special occasion where speaking aloud is inevitable.