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A public-address system.
(Electronics) See public-address system
a combination of electronic devices that makes sound audible via loudspeakers to many people, as in an auditorium or out of doors.
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|Noun||1.||PA system - an electronic amplification system used as a communication system in public areas|
amplifier - electronic equipment that increases strength of signals passing through it
communication system - a system for communicating
loudspeaker, loudspeaker system, speaker system, speaker unit, speaker - electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
tannoy - a loudspeaker