For suspended ceiling tile speaker installations. Spans 2 ft. dimension of 2 x 2 and 2 x 4 tiles.
For T-bar tiles larger than standard 2 ft. use 3/4 angle stock to support bridge at side rails.
Load deflection 1/8 max with 50 lb load.
When placed on 2 span of 2 x 2 or 2 x 4 T-bar suspended tile ceiling the bridge will support at least 10 times standard speaker assembly load.