A public address system, represented by the symbols 📢🔊, is a communication tool used to amplify and broadcast sound in public spaces. It typically consists of a microphone, amplifier, and loudspeakers strategically placed to ensure clear and widespread audio transmission. The purpose of a public address system is to convey important information, announcements, or music to a large audience, allowing for effective communication in various settings such as stadiums, schools, airports, and public events.