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Lowell CN4M
4" Round Torsion Mount Speaker Grill


Lowell's CN-4M 4" speaker grille presents a clean appearance with a contoured edge and no visible hardware.
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List Price: $49.78
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Lowell CN4M
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Lowell's CN-4M 4" speaker grille presents a clean appearance with a contoured edge and no visible hardware.  It is an attractive solution when architectural specifications require ceiling speakers to be void of visible mounting hardware.  The grille utilizes welded speaker studs and specially-designed torsion brackets with springs to mount into torsion receptacles that are welded into specified Lowell backboxes (sold separately).

The outer ring of the CN-4M is precision-formed from 20-gauge steel with a welded steel-mesh center, an inner ring with speaker studs, and white-powder epoxy finish for long-lasting quality appearance.  The four welded studs are 8-32 x 3/4" and are spaced to mount a standard 4" (EIA 5") driver using the provided palnuts.

The grille also includes two easy-to-install torsion bracket/spring devices that allow the speaker/grille assembly to mount into the torsion receptacles in specified Lowell backboxes instead of mounting the assembly using screws which are often architecturally "objectionable".  Each torsion bracket installs to opposite speaker mounting studs with 8-32 nuts provided.  Each torsion spring installs to one of four holes in the bracket with one shoulder bolt and clip provided.  Versatile spring position on the bracket allows for easy depth adjustment in the field.  Torsion assemblies are typically installed before the driver and will support a total driver/transformer assembly weight up to 3.5 lbs.


  • Speaker Size: 4"
  • Grill Size: 8.56" diameter
  • Mounting provisions: 4 studs + 2 torsion devices
  • Material: Steel
  • Color: White

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