Loudspeakers on pole. Public address system speakers. Alarm and siren system in the city.

---

Size: 5184px × 3456px
Photo credit: © Emre Akkoyun / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: address, advertisement, alarm, alert, announce, announcement, attention, audio, background, bottom, broadcast, city, column, communication, concept, danger, disasters, electric, electronic, emergency, equipment, evacuating, idea, information, loud, loudspeaker, megaphone, message, modern, natural, outdoor, pole, post, public, radio, security, shout, siren, sound, speak, speaker, street, system, technology, urban, view, voice, volume, warning, white