Speaker Mounting Plate for Wall Applications The SM-WM1 Speaker Mounting Plate for Wall Applications from Triad Orbit is a slide-in plate for wall or ceiling mounting Dolby Atmos speakers. This mounting plate accepts the Triad-Orbit SM-SW1 swivel or the SM-PM1 pipe mounting plate and allows a speaker to be attached to an SM-SW1 swivel before the assembly is slid into the SM-WM1 mounting plate. This is a trusted mounting plate among Atmos speaker owners here at Sweetwater.
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