The Triad-Orbit SM-GP is a speaker mounting plate designed for attaching a Genelec One Series or smaller Genelec studio monitor to a Triad-Orbit SM-SW1 swivel (available separately) in Dolby Atmos speaker setups. It features four holes with 127 x 70mm spacing, four holes with 108 x 51mm spacing, and easy installation—attach it to the SM-SW1, then slide the assembly into an SM-WM1 wall/ceiling mount (available separately).