#stereo_system__stereo__stereophonic_system  reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound
  supertype:  reproducer  an audio system that can reproduce and amplify signals to produce sound
  part:  amplifier
  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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