The BRM-1 Baseplate by Beachtek is for mounting accessories to the Beachtek line of audio adapters. It can be used to add a matte box, follow focus, and other accessories to your DSLR camera. It features a low-profile baseplate, and a pair of 3" (15 mm) threaded rods. Designed to fit the DXA series adapters.
Fits these adapters:
DXA-SLR Ultra, DXA-SLR Pure, DXA-SLR Mini,
DXA-Pocket, DXA-BMD and DXA-SLR Pro
DXA-SLR Ultra, DXA-SLR Pure, DXA-SLR Mini,
DXA-Pocket, DXA-BMD and DXA-SLR Pro