bullhorn
bull-horn
noun
An electronic device used to amplify a person's voice loudly over a distance.
"The protest leader spoke through a bullhorn."
Thesaurus
Synonyms: loud-hailer, loud hailer
bull-horn
An electronic device used to amplify a person's voice loudly over a distance.
"The protest leader spoke through a bullhorn."
Synonyms: loud-hailer, loud hailer