Audio Track volume controls model VCD7010M.

The speaker volume control ideal for low/ moderate power installations in home, office, yacht.
Screw type connector speeds installation and insures reliable operation.
The control is only 1.58 inches (40m/m) deep.
It fits most standard single electrical junction boxes.
10 position switch step smoothness of the control.
Audio source 25v or 70v line.
New in box. color white.
You are purchasing a set of 2.