bullhorns
bull-horns
noun
Portable electronic devices that amplify a person's voice, often cone-shaped.
"The police used bullhorns to address the crowd."
Thesaurus
Synonyms: loud-hailer, loud hailer
bull-horns
Portable electronic devices that amplify a person's voice, often cone-shaped.
"The police used bullhorns to address the crowd."
Synonyms: loud-hailer, loud hailer