Public Address System is centralized announcement system installed in Hospital which enable Code Blue Announcement in case of Cardic or other severe Emergency. Public Address System also enable other emergency announcements in case of catastrophic incidents like fire and earthquake etc. System is also being used for general public announcements on daily basis.PA Systems are used to speak to a large public and announcements of movement’s at large and noisy area. These systems are used to meet special needs. In addition to the mandatory PA security systems, they also need to address tasks such as the location of staff members, information for visitors, local announcements in consulting rooms, operating theaters and X-ray rooms.