WB45 wall boxes allow surface mounting of any standard 45 x 45 mm sized product such as matrix control panels, volume controllers, and patch panels.

They come with one or more metal subchassis and are available in single (WB45S) and double-unit (WB45D) versions. They are available in black (/B) and white (/W). The WB45S/FS is a flush-mounted box for stone or concrete walls. The WB45S/FG is a flush-mounted box for hollow walls.