#squawk_box__squawker__intercom_speaker  the loudspeaker on an inter-com or public address system
  supertype:  loudspeaker_system__loudspeakersystem__loudspeaker__speaker__speaker_unit__speakerunit__speaker_system__speakersystem  electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
  part of:  intercommunication_system__intercom  a communication system linking different rooms within a building or ship etc

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