loudspeaker
nounUK /laʊdˈspiːkə/ · US /ˈlaʊdspiːkɚ/
Etymology From loud + speaker.
1
An electromechanical transducer that converts an electrical signal into audible sound.
- Unintelligible announcements on station loudspeakers are both irritating and confusing.1953 August, “Station Announcements”, in Railway Magazine, page 506:
- Beijing itself signified the transformation. When I visited in 1979 it was a grim city where every pedestrian dressed in a drab gray Mao jacket and every street corner had a loudspeaker repeating the sayings of Mao. The city was desolate and joyless.2010, Walter Mondale, David Hage, The Good Fight: A Life in Liberal Politics, Scribner, →ISBN, page 221:
2
Any such transducer that is loud, as opposed to quiet ones such as those found in headphones.
3
An encasing containing one or more loudspeaker devices and usually other electrical equipment such as a driver.