#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
  supertype:  #electro-acoustic_transducer  a transducer that converts electrical to acoustic energy or vice versa
  subtype:  #bullhorn  #squawk_box  #tannoy  #tweeter  #woofer
  part of:  #public_address_system__PA_system__PA  an electronic amplification system used as a communication system in public areas

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