Bose Professional Bose FreeSpace FS2C Tile Bridge (6-Pack)

FreeSpace FS2C Tile Bridge (6-Pack): Six tile bridges that carry an FS2C in a hung-tile grid. Compatible with FreeSpace FS2C in-ceiling loudspeakers.

Bose specifies it for hung-tile ceilings at 1.6 lb (0.7 kg). It ships under part number 841162-0010 (FreeSpace FS2CTB).