Lowell 8XD4-P Recessed Backbox, Plenum-Rated Knockout

The 8XD4-P is a steel enclosure for recessed installation of an 8-inch speaker driver and screw-mount grille, with a slight taper so units can be stacked until ready to install.

It features a single planished knockout on top that preserves the enclosure's leak-free integrity in a return-air plenum space; UL Listed with an approved driver/grille assembly. Order multiples of 10.