– Designed for applications where concentration of airborne particles is controlled, such as pharmaceutical, medical, and other critical manufacturing environments.
– Large rubber o-ring to seal the grille to the ceiling
– Rubber washers for all mounting hardware
– Apolycarbonate dust shield located between the speaker and the grille
– Built-in amplifier
– Capable of reproducing voice paging in clean room environments
– Screwdriver adjustable volume control located on the 1 watt amplifier circuit board
– 8-inch speaker