1) The speech was piped over a public address system.

2) A public address system magnifies all the little noises and coughs.

3) Someone cranked up the volume of the public address system.

4) A new public address system will be installed and the cabs modified to suit driver-only operation.

5) There was a crackle of static, like a public address system at a church social,(http:///public address system.html) then another record started.

6) Yes, there is a public address system, but I don't believe that is working either.

7) There was a public address system for the music and her house was vibrating.

8) They tried to adapt the public address system into a radio transmitter.

9) The news was announced on the public address system at the high school.

10) The announcer gabbled some incomprehensible message over the public address system.

11) The public address system in the hospital was used for paging.

12) The doors had come open and there was a voice on a public address system shouting something.

13) They gathered each night in a 228-car parking lot, speaking over a public address system.

14) OAS ( office Automation System ) includes multi - media information , electronic bulletin board , public address system, property management system, business convention system.

15) It was the first airline terminal to have closed-circuit television, a central public address system, baggage carousels and an electronic schedule board.

16) I hear they are announcing my flight over the public address system.

17) Some problems of the power transmission circuit in the public address system are discussed.

18) A well-organised edition of the Olympics, the Stockholm Games saw the first use of electronic timing equipment, the photo finish and a public address system.