speaker
US /ˈspiː.kɚ/
UK /ˈspiː.kɚ/

1.
a person who speaks
:
•
The main speaker at the conference was a renowned scientist.
•
She is a fluent English speaker.
2.
an electrical transducer that converts electrical signals into sound waves
:
•
The music was blasting from the large speakers.
•
Connect your phone to the Bluetooth speaker.