loudspeaker

US /ˈlaʊdˌspiː.kɚ/
UK /ˈlaʊdˌspiː.kɚ/
"loudspeaker" picture
1.

扬声器, 喇叭

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.
通知是通过扬声器发出的。
We need to connect the microphone to the loudspeaker for the event.
我们需要将麦克风连接到扬声器以进行活动。