Wheelock ET-1080 Category : Wheelock This speaker is designed to be vandal resistant. Brand WheelockModel ET-1080Manufacturer WheelockType Alarm (Speaker)
Simplex 2098-9806 Category : SimplexThis device is a permanent fixture in my Simplex 4004 wall system.
Grinnell IXA-RMS Category : GrinnellThis unit was taken off of a TFX-400 system at Brigham Young University.
