- Sound & Security
- Steel Speaker Back Box (ERD8U)
Quam ERD8U is a UL Listed steel speaker back box. A circular, molded polystyrene damping pad is fitted to the inside top of the enclosure and our welded tie-off straps are provided for mounting. Five knock-outs are provided for electrical connections, 4 on the side and 1 on the top.
- Dimensions: 12 5/16"" x 4 1/4
- UL Listed 1480
- UL Listed 2043