CPG 450E+V1971 Category : CPG This is a very strange alarm. It looks like a speaker, but is actually an electronic horn. Brand CPGModel 450EManufacturer Federal SignalType Alarm (Horn)
Simplex 4903-9238 Category : SimplexThis unit has an electronic horn, as opposed to the speaker or electromechanical horn found in other rectangular Simplex notification...
Simplex 2901-9806 Category : SimplexStrobes such as the ADT B3409-024 were designed to be used with this horn.
