'Alternator whine' during bluetooth calls (aftermarket radio)

Discussion in 'Gen 2 Prius Audio and Electronics' started by R-P, Apr 1, 2019.

  1. R-P

    R-P Active Member

    Joined:
    Dec 6, 2011
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    Location:
    Netherlands
    Vehicle:
    2009 Prius
    Model:
    II
    Strange thing is, it possibly isn't there during the first half second of the call.

    I have not done anything to solve it yet, so I didn't make a custom ground for the radio, use chokes around the powercables, etc.

    Just wondering if this is a known issue with known solutions.

    The radio is an (old) JVC KD-AVX33 with build in bluetooth carkit with a Helix HXA-400 amp on the front speakers. All radio, USB, etc sources are whine-free.
     
    #1 R-P, Apr 1, 2019
    Last edited: Apr 1, 2019
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