We are manufacturer , professional volume controller 1.5W, 4 grades 2.can go with the ceiling speaker

We are manufacturer , professional volume controller 1.5W, 4 grades2.can go with the ceiling speaker

Model	R-04
Rated power	30W-120W
Adjustment Way	impedance
Volume	5    grades
Outside Dimension	85x85

.with tansformer inside them , has a cutting fuction to be fireproof

volume controller