Kramer Electronics SPK-C800-PRO - Manual (Page 14)

12 ESD Ceiling Speaker - Installing the ESD Ceiling Speaker
Figure 10: Fitting the Half-Tile Size Speaker
5. Replace half of the ceiling tile (see Figure 11 ).
Figure 11: Replacing the Ceiling Tile
6. Secure the speaker by connecting the speaker support ring to an
independent secure ceiling anchor point (see Figure 8 ).
The anchor prevents the speaker from falling if the tile itself comes out or falls apart.