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Noun: speaker unit  'spee-kur 'yoo-nit
  1. Electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
    - loudspeaker, speaker, loudspeaker system, speaker system

Derived forms: speaker units

Type of: electro-acoustic transducer

Part of: P.A., P.A. system, PA, PA system, public address system