public-address system
Definition
Noun: A "public-address system" (often abbreviated as PA system) is an electronic amplification system used to make speech, music, or other sounds audible to a large audience in a public space such as a stadium, auditorium, school, or train station. It typically includes microphones, amplifiers, and loudspeakers.
Usage Examples
- (An electronic system for broadcasting messages to many people.)
- (The equipment used to amplify audio for a large audience.)
- (A network of speakers and microphones used for public announcements.)
Advanced Usage
"to use the public-address system": to employ this equipment for communication.
- The principal used the public-address system to address the entire school. (She spoke through the microphones and speakers to reach all students.)
"over the public-address system": referring to the channel of communication.
- The message was broadcast over the public-address system. (The announcement was made audible through the speakers.)
Variants and Related Words
PA system (n): a common abbreviation for "public-address system."
- The PA system malfunctioned during the game. (The public-address system stopped working.)
Public address (n): the act of speaking to a large audience, often using such a system (though this term is less common as a standalone noun).
Synonyms
- Sound system: a general term for equipment that reproduces sound, often used in music or events.
- Loudspeaker system: a more technical term focusing on the speakers themselves.
- PA: a shorthand form used in informal contexts.
Related Idioms
- There are no common idioms directly involving "public-address system," but the phrase "to get on the PA" means to make an announcement using the system.
- The coach got on the PA to call the team to the field. (He used the public-address system to give instructions.)