The AtlasIED 194-89 protective enclosure for recessed mounting of 830-89A clock/speaker baffles. This 194-89 model contains 12 triple-compound conduit knockouts (six on both top and bottom) to facilitate easy wiring. Constructed of 20-gauge CRS and is heavily undercoated to prevent mechanical resonances. Unit contains a compartment divider to separate high and low voltage wiring. Finished with an epoxy coating.