Inox built-in frame for W150, W250
This stainless steel frame allows you to mount the loudspeaker in a solid wall where holes have been drilled to fit the loudspeaker, or in a fixed ceiling where holes have been drilled using concrete. After mounting (and degreasing) the frame with stainless steel screws, the plasterer can apply a sufficiently thick layer to the frame so that the loudspeaker can then be mounted.