| NOUN | artifact | speaker unit, loudspeaker, speaker, loudspeaker system, speaker system | electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance |
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| Meaning | electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance. | |
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| Synonyms | loudspeaker, speaker, loudspeaker system, speaker system | |
| Part of | public address system, P.A. system, PA system, P.A., PA | An electronic amplification system used as a communication system in public areas |
| Narrower | bullhorn, loud hailer, loud-hailer | A portable loudspeaker with built-in microphone and amplifier |
| squawk box, squawker, intercom speaker | The loudspeaker on an intercom or public address system | |
| subwoofer | A loudspeaker that is designed to reproduce very low bass frequencies | |
| tannoy | A loudspeaker | |
| tweeter | A loudspeaker that reproduces higher audio frequency sounds | |
| woofer | A loudspeaker that reproduces lower audio frequency sounds | |
| Broader | electro-acoustic transducer | A transducer that converts electrical to acoustic energy or vice versa |
| Spanish | altavoz, altoparlante, baffle, bafle | |
| Catalan | altaveu | |
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