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

1.
pembesar suara, speaker
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.
Pengumuman dibuat melalui pembesar suara.
•
We need to connect the microphone to the loudspeaker for the event.
Kita perlu menyambungkan mikrofon ke pembesar suara untuk acara itu.