Public Address System
Of communication system. May also be referred to as P.A., P.A. system, PA and PA system.
An electronic amplification system used as a communication system in public areas.
This concept's ID is @1~21961
Loudspeaker
- loudspeaker
Electro-acoustic transducer that converts electrical signals into sounds loud enough...
- tannoy
A loudspeaker.
Also contains
- amplifier
Electronic equipment that increases strength of signals passing through it.