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Lowell LUH-BOX
Surface or Recessed Backbox with 20 Gauge Stainless Steel


Lowell LUH-BOX is a universal surface OR recessed backbox for extreme environment installations of paging horn Model LUH- 15T.
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List Price: $168.00
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Lowell LUH-BOX
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Lowell LUH-BOX is a universal surface OR recessed backbox for extreme environment installations of paging horn Model LUH- 15T. Dual functionality allows a single model to be ordered and stocked for surface or recessed use. A finish trim plate, Model LUH-TP, covers rough openings in recessed installations (order separately).The backbox is ideal in schools, medical facilites, transportation terminals, prisons, commercial or industrial spaces and where the durability of an extreme weather- resistant backbox facilitates installation of environment resistant horn Model LUH-15T. The clean, square design is precision formed from 20- gauge stainless steel and finished in powder epoxy paint for exceptional durability in both indoor and outdoor installations.

The rear of the backbox is punched with a universal mounting pattern for installing to a 4” square, 4” octagon, 2-gang or 1-gang E.O. box. The rear also includes a .375” hole with grommet for wire access. The backbox features four .875” conduit knockouts (one on each side) and measures 10.5” SQ x 4.0” D. The backbox is finished in Lowell’s durable Network Grey powder epoxy.

The backbox is engineered specifically to mount Lowell’s narrow profile 15W Unihorn compression driver Model LUH-15T. The horn and grille trim ring install to the backbox using the horn’s screwdriver adjustable clamps (dogs) - see page 2 for clampmounting diagram. The horn’s fine perforated grille, included with the horn, press fits into the grille trim ring. Optional vandal resistant grille Model LUH-VRG may also be ordered separately to screw mount to the grille trim ring if needed.

Grille Model LUH-VRG (11.5”SQ) is an optional environment resistant cast aluminum grille for Unihorn Model LUH-15T. The grille includes a painted stainless steel barrier screen and tamper- resistant screws. The grille is painted in durable Network Grey powder epoxy finish to match the backbox and the horn.


  • Dimensions:  10.5" SQ x 4.0" D
  • Mounts Speaker (order separately):  LUH-15T Unihorn
  • Mounts Grille:  LUH-Grille (included with the LUH-15T Unihorn) or vandal-resistant LUH-VRG (order separately). 

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