Lowell BC810-72 8" Dual Cone Speaker with 25/70V Transformer, Grille, Enclosure, Beam Clamp (4 Pack)

8 inch Dual Cone Speaker with 25/70V Xfmr, Grille, Enclosure, Beam Clamp - Case of 4 Speaker Kits An 8 in. driver/tranformer/grille assembly with a round enclosure that features clamps to mount to a beam or girder. The BC-810-72 beam-clamping speaker assembly is ideal for attachment to beams or girders in open structure ceiling environments. The ready-to-install package is shipped with the speaker, transformer, and grille mounted within a conically shaped backbox. The speaker / transformer is Lowell's dual cone 15W driver Model 810 with a 25V/70V transformer to provide clear and reliable performance for voice paging and background music applications. Architectural grille is Model WB-8, an aesthetically pleasing grille that is precision formed from one-piece steel and finished in white powder epoxy. The grille is mounted to the backbox with matching white screws for a quality appearance. Outside diameter of the grille and the assembly is 12.875". The backbox is Lowell Model 8XD4 equippe