make (one's) voice heard

To ensure that one's opinion, idea, or point of view is heard, understood, or has an impact, especially amidst competing voices or opinions. Voting is the only real way the average citizen is able to make their voice heard. Your idea is really good, so be sure to make your voice heard during the meeting this afternoon.

make your ˈvoice heard

express your opinions, feelings, etc. so that other people hear or notice: This programme gives ordinary people a rare chance to make their voices heard.