PA system
Venue announcement equipment
A PA system is a public address system—an electronic setup of microphones, amplifiers, and speakers used to broadcast announcements or music to a large area.
Schools use PA systems for morning announcements, stadiums for crowd communication, and venues for live performances: The band's vocals came through the PA system.
Often shortened to just PA: Is the PA working?
Audio input device
- amplifierSignal-strengthening electronic device
- speakerOne who talks
- mixerCombines ingredients or people
- equalizerWhat evens things out
wattage · decibels · transducer · woofer · tweeter · horn · cables · receiver
Broadcast summoning of someone
- broadcastTransmitted media signal
- overheadLocated directly above
- voiceoverOff-screen recorded speech
- alertsWarning notifications
notifications · updates · instructions · boarding call · lost child · closing time · gate change
Amount of space filled
- soundAudible wave phenomenon
- audioTransmitted sound content
- amplificationIncrease in intensity
- gainPositive return received
feedback · clarity · fidelity · resonance · echo · projection · intelligibility · acoustics
Large venue for spectators
- arenaVenue for contests
- airportAviation passenger facility
- train stationPassenger boarding facility for locomotives
- schoolPlace of instruction
hospital · shopping mall · fairgrounds · convention center · auditorium · gymnasium · church · warehouse
Live musical performance
- festivalOrganized public celebration
- rallyGathering for a cause
- marathonLong-distance footrace
- ceremonyFormal event marking occasions
sports event · graduation · assembly · convention · parade · exhibition · inauguration · speech
Removal from danger
- safety alertNotice of potential danger
- fire drillEmergency evacuation practice
- lockdownEnforced restriction on movement
- emergency broadcastUrgent public safety announcement
warning siren · shelter in place · crowd dispersal · security alert · tornado warning · active shooter
microphone
Audio input device
- amplifierSignal-strengthening electronic device
- speakerOne who talks
- mixerCombines ingredients or people
equalizer · wattage · decibels · transducer · woofer · tweeter · horn · cables · receiver · transmitter
paging
Broadcast summoning of someone
alerts · notifications · updates · instructions · boarding call · lost child · closing time · gate change
volume
Amount of space filled
- soundAudible wave phenomenon
- audioTransmitted sound content
- amplificationIncrease in intensity
gain · feedback · clarity · fidelity · resonance · echo · projection · intelligibility · acoustics · noise
stadium
Large venue for spectators
- arenaVenue for contests
- airportAviation passenger facility
- train stationPassenger boarding facility for locomotives
school · hospital · shopping mall · fairgrounds · convention center · auditorium · gymnasium · church · warehouse · factory
concert
Live musical performance
ceremony · sports event · graduation · assembly · convention · parade · exhibition · inauguration · speech · performance
evacuation
Removal from danger
- safety alertNotice of potential danger
- fire drillEmergency evacuation practice
- lockdownEnforced restriction on movement
emergency broadcast · warning siren · shelter in place · crowd dispersal · security alert · tornado warning · active shooter
- communicationtelephone, conversation, inform, hand signal, messages
- soundssound, beeps, listen, sounds, hear
- airportsairports, airport, terminals, terminal building, runway
- audio equipmentspeakers, microphone, headphones, amplifier, amplifiers
- emergency responsefirst responders, emergency services, fire alarm, 911, call 911
- systemsecosystems, ecosystem, biological systems, transportation network, communication systems
PA systemconfidential communication
Protected private information sharing
address, system, intercom, intercoms, public address system, PA systems