Annunciator

An annunciator was a sound amplification device. They were known to ring if badly damaged.Star Wars: Episode III Revenge of the Sith novelization Annunciators were fitted in clone trooper helmets.Star Wars: Revenge of the Sith: The Visual Dictionary
==Appearances==
*Star Wars: Revenge of the Sith novelization 
==Sources==
*Star Wars: Revenge of the Sith: The Visual Dictionary
*Star Wars: The Complete Visual Dictionary
==Notes and references==
Category:Communications