description: Three loudspeakers on pole against blue sky

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Size: 6211px × 4141px
Photo credit: © Spritnyuk Sergey / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alert, amplification, amplifier, announce, announcement, background, blue, broadcast, bunch, calling, communicate, communication, copy, electric, electricity, equipment, horn, information, loud, loudspeaker, loudspeakers, media, megaphone, message, news, object, outdoor, people, pillar, pole, post, promote, public, radio, shout, sky, sound, speak, speaker, station, street, system, talk, technology, vintage, voice, volume, warning