A few feet away, a police officer, using his car's public-address system, ordered him to get the dog down.
The public-address system, one of the things the city wants to control, is the filter through which the music will be perceived.
The public-address systems could page the entire building, or a single corner.
All at once, the silence is broken by a male voice over the public-address system.
Moments later his name was called over the public-address system and he hurried onto the field.
In the absence of a public-address system, many seem not to know when a race is going off.
Wanted me to get a message to you, but not to call out your names over the public-address system.
The boys' fun was suddenly cut off by a voice over the public-address system.
Evidence suggests that the public-address system did not continue to function after the building was hit.
The announcement of closing time came over the public-address system.
