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  1. Spartekus

    Adding a subwoofer to Harmon Kardon system

    Did you ever add a subwoofer to the HK system? Looking to do the same...
  2. Spartekus

    Harman Kardon Boomy Bass

    Thanks to everyone for the discussion and tips on disconnecting the sub for the HK system. I just purchased a 2020 Rebel from out of state and drove it home for 7 hours. The bass was really boomy and bad at normal volumes so I ended up moving the fader quite a bit forward and then lowering the...
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