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ac501csi

  1. Help with A/D/S AC501csi

    Technical & Advanced Car Audio Discussion
    I am a little frustrated and was hoping some a/d/s guru might be able to help. I have been trying to find a bass control knob (ac501csi) for my 642csi crossover...and I just missed out on one this morning on ebay because I was saying goodbye to my son...a good reason to miss out on it. But, I am...
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