#audio_system__audiosystem__sound_system__soundsystem  a system of electronic equipment for recording or reproducing sound
  supertype:  electronic_equipment  system.instrumentality
  part:  radio-phonograph  record_player  tape_deck
  subtype:  recording_system__recordingsystem  audio system for recoding sound
  subtype:  reproducer  an audio system that can reproduce and amplify signals to produce sound
     subtype:  hi-fi__high_fidelity_sound_system  equipment for the reproduction of sound with high fidelity
     subtype:  stereo_system__stereo__stereophonic_system  reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound
        subtype:  ghetto_blaster  (informal) a portable stereo
        subtype:  quadraphony__quadraphonic_system__quadriphonic_system  a stereophonic sound recording or reproducing system system using four separate channels

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