IPA: //ˈlaʊdˌspiːkər//
KK: /ˈlaʊdˌspiːkər/
A device that makes sounds loud enough for people to hear from far away by changing electrical signals into sound waves.
The concert was amazing, and the loudspeaker made sure everyone could hear the music clearly.
Loudspeaker → It is formed from "loud" (from Old English *hlud*, meaning having a strong sound) and "speaker" (from Old English *specan*, meaning to talk or utter). The word "loudspeaker" refers to a device that produces strong sound or amplifies speech.
Think of 'loud' meaning strong sound and 'speaker' as someone who talks. A loudspeaker is a device that talks loudly or amplifies sound.