Simplex 2901-9806 Strobes such as the ADT B3409-024 were designed to be used with this horn. Brand SimplexModel 2901-9806Manufacturer Federal SignalType Alarm (Horn)
Simplex 4098-9716 Category : SimplexI don’t think that I have a base that is compatible with this head.
Pyrotronics MS-51 Category : Cerberus PyrotronicsThis is the single-action version of the Pyrotronics MS-501.