2PA 
/ˌpi:ˈeɪ/ noun
plural PAs /ˌpi:ˈeɪ/ noun [count] 1 : a machine with a microphone and speakers used for making announcements in a public place — usually used with the ▪ The name of the raffle winner was announced over the PA. —called also PA system, public address system 2 US : physician's assistant
