| Engelsk substantiv: speaker unit | 
| 1. | speaker unit (om gjenstand) electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance | 
| 
 | 
 | Ord med samme betydning (synonymer) | loudspeaker, loudspeaker system, speaker, speaker system | 
| 
 | 
 | Mindre spesifikke uttrykk | electro-acoustic transducer | 
| 
 | 
 | Mere spesifikke uttrykk | bullhorn, intercom speaker, loud hailer, loud-hailer, squawk box, squawker, subwoofer, tannoy, tweeter, woofer | 
| 
 | 
 | Omfatter disse overordnede uttrykkene | P.A., P.A. system, PA, PA system, public address system | 
| 
 |