ID 299056577 © Jonyyy | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
alert amplification amplifier announce announcement announcer area attention audio background broadcast broadcasting communication copy space country czech republic danger disaster electric electrical emergency equipment fire industrial industry information loud loudspeaker mast media megaphone music outdoor public residential rozhlas siren sirens speaker speaker speakers system talking technology test town transmission warning wire zkouska rozhlasu