A Public Address or "Dad" System is an electronic enhancement framework with a Controller, Mixer, Amplifier, Router and Loudspeakers, used to fortify a given sound and disseminating the sound all through a scene or a building. It is a concentrated enhancer based framework that is composed such, to give voice paging and to communicate caution tone amid crises. The framework can transmit caution tone and routine voice messages, from a focal area, to all or chose zones of the office, in a dependable and safe way, by the utilization of amplifiers. Basic PA frameworks are regularly utilized as a part of little settings, for example, school amphitheaters and so forth. Dad frameworks with a bigger number of speakers are broadly utilized as a part of institutional and business structures, to peruse declarations or proclaim highly sensitive situations.