volume control
nounUK /ˈvɒljuːm kənˌtrəʊl/
US /ˈvɑːljuːm kənˌtroʊl/
A button or knob you use to make the sound louder or quieter.
Please turn down the volume control on the TV so I can hear you.
RELATED WORDS
OTHER MEANINGS
2. A setting on a device that changes how loud the sound is.
The volume control on my phone was set too high.
3. The part of a system that manages the level of sound output.
The engineer adjusted the volume control during the concert.
4. A feature that lets you change sound levels automatically.
This app has an automatic volume control for videos.