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JBL MTC-424NC

The MTC-424NC is a new construction bracket for Control 424C/T, a JBL Control Contractor installation accessory sold as a set of 6 pieces. It is the mud-ring/new-construction counterpart to the grille sold for the same speaker (MTC-424BG / MTC-424SG).

Installs before drywall as part of the standard Control Contractor rough-in kit for this model.

TypeNew Construction Bracket
Compatible WithControl 424C/T
Pack QuantitySet of 6
Manufacturer Part NumberMTC-424NC
ConstructionFlat sheet metal with wings that attach to the building structure
Mounting Hole SpacingNail/screw holes at 406 mm (16 in) and 610 mm (24 in) on-center; the installer may drill additional holes at spacings up to 630 mm (24-3/4 in) apart
FunctionInstalls before the sheet rock; anchors the wiring in place and serves as the blind cutout template for the speaker hole