loudspeaker

 

English Wikipedia has an article on:

loudspeaker

Wikipedia

 

From loud +‎ speaker.

• (UK) IPA^(key): /laʊdˈspiːkə/

• Audio (Southern England):

  (file)

• (US) IPA^(key): /ˈlaʊdspiːkɚ/

loudspeaker (plural loudspeakers)

2. An electromechanical transducer that converts an electrical signal into audible sound.
   • 1953 August, “Station Announcements”, in Railway Magazine, page 506:

     Unintelligible announcements on station loudspeakers are both irritating and confusing.

   • 2010, Walter Mondale, David Hage, The Good Fight: A Life in Liberal Politics‎^[1], Scribner, →ISBN, page 221:

     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.

3. Any such transducer that is loud, as opposed to quiet ones such as those found in headphones.
4. An encasing containing one or more loudspeaker devices and usually other electrical equipment such as a driver.

• (electromechanical transducer): speaker
• (encasing containing loudspeakers): speaker enclosure, loudspeaker cabinet, loudspeaker enclosure