| NOUN | artifact | P.A. system, public address system, PA system, P.A., PA | an electronic amplification system used as a communication system in public areas |
|---|
| Meaning | An electronic amplification system used as a communication system in public areas. | |
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| Synonyms | public address system, PA system, P.A., PA | |
| Parts | amplifier | electronic equipment that increases strength of signals passing through it |
| loudspeaker, speaker, speaker unit, loudspeaker system, speaker system | electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance | |
| tannoy | A loudspeaker | |
| Broader | communication system | A system for communicating |
| Spanish | megafonía | |
| Catalan | megafonia | |
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