soundproofing panel
nounUK /ˈsaʊnd.pruː.fɪŋ ˈpæn.əl/
US /ˈsaʊnd.pruː.fɪŋ ˈpæn.əl/
A flat piece you put on a wall to stop sound from going through.
We put a soundproofing panel on the wall so the music doesn't bother the neighbors.
OTHER MEANINGS
2. A panel used in a recording studio to keep echoes out of the room.
The studio walls were covered with soundproofing panels to make the recordings clean.
3. A removable board placed over a window or door to block outside noise.
He fitted a soundproofing panel over the bedroom window because of the busy street.
4. A panel inside a machine or engine that reduces the noise it makes.
The generator came with soundproofing panels to keep it quiet at night.