Backbox is designed for recessed installation of 8-inch speaker systems into ceilings or walls. It features torsion spring receptacles to accept an 8-inch speaker mounted to torsion grille FW-8T to achieve an attractive and visibly hardware-free speaker installation.
Mounts 4-inch speaker with screw mount grille
Economical alternative to using a recessed backbox where code does not require backbox
With .50-inch rim extension for easy drywall or panel finishing prior to speaker-grille installation