Ключевые слова: advertising, ai, alert, announcement, attention, audio, background, broadcasting, bullhorn, bullhorn megaphone, bullhorn speaker, call, communicate, device, electronic, emergency, equipment, executive, holding, horn, information, isolated, loud, loudhailer, loudspeaker, manager, media, mega, megaphone, message, microphone, mouthpiece, news, opinion, proclaim, protest, shout, sound, space, speaker, speaking trumpet, speech, trumpet, volume, warning, white, woman hand holding,