public address system

public address system (plural public address systems)

1. An electronic voice-amplification apparatus, usually containing a set of two loudspeakers and a central control unit, used for singing, giving a speech, play-by-play commentary at events, or broadcasting in public areas like in airports or stations.
   • 2025 June 24, Lucy Mangan, “Poop Cruise review – a fascinating look at a toilet disaster that still haunts passengers 12 years later”, in The Guardian‎^[1]:

     People had to poo in bags, you see. Jan had to get on the public address system and explain to thousands of disbelieving passengers that “number ones” could be done in the shower but “number twos” must be done in the red biohazard bags being distributed, then placed in corridors for collection by unnamed staff, none of whom chose to appear in this documentary.

• PA, PA system, intercom system
• tannoy (British)

• PA, PA system (abbreviation)