Equipped with Priority function, Chime function, and 2 Zone selector switches, the A-1812 PA Amplifier of 120 W is designed to suit the following PA system applications: paging announcements, intercommunications, BGM, and broadcasting in schools, offices, and shops. It's power remote control function, provided especially for use in conjunction with the P-1812 (optional), will turn ON or OFF the P-1812's power.