Optimal Audio UB4-B – The ceiling mount is specially designed for suspending the Cuboid 15 enclosure from the ceiling in a horizontal position.
- Easy removal of the grille to allow rotation of the HF driver when used in horizontal mode
- Rotation of the Optimal Audio logo on the grille to match the orientation of the speaker (the logo rotates in 90° increments)
- Made of steel, black colour
- For Cuboid 15