loudspeaker
US /ˈlaʊdˌspiː.kɚ/
UK /ˈlaʊdˌspiː.kɚ/

1.
확성기, 스피커
a device that converts electrical signals into sounds, typically as part of a public address system or sound reproduction system.
:
•
The announcement was made over the loudspeaker.
안내 방송은 확성기를 통해 나왔다.
•
We need to connect the microphone to the loudspeaker for the event.
행사를 위해 마이크를 확성기에 연결해야 해.