Public Address System is centralized announcement system comprising of microphones, amplifiers, loudspeakers, and related equipment which is going to be installed in THQ Hospital Sadiqabad which will enable Code Blue Announce in case of Cardic Emergency. Public Address System also enable other emergency announcements in case of catastrophic incidents like fire and earthquake etc. A public address system gives you an immediate way to address everyone at a given location. System will also being used for general public announcements on daily basis. Public Address System includes 25 speakers and 1 mic to be installed which covers the whole hospital.