vintage megaphone. hand drawn loud speaker for announcements, bullhorn sketch news or public attention. message

advertising alert amplifier announc announce announcements announcemnt announcer attention broadcast bullhorn cheers concept control doodles draw drawing drawn halftone hand icon illustration image isolated logo loud loudly loudspeaker megaphon megaphone message microphone news offers please promotional public scream screaming set sign sketch speak speaker speakerphone talk vector vintage voice