teal megaphone on white background

white voicecommunication voiceamplifier voice tealspeaker tealmegaphone tealcolored teal symbolizing speechdevice speechannouncement speech speaking speakermegaphone speaker sounddevice sound retrodevice publicvoice publicspeaking publicaddress public megaphonevintage megaphoneteal megaphonesystem megaphonespeaker megaphoneclassic megaphoneannouncement megaphone loudspeaker isolated communication background announcementtool announcements announcement amplifierdevice amplification