subwoofer amp

  1. R

    How to connect a subwoofer to a new stereo

    Hi, I have a Chinese Android radio, 4 speakers play ok.I recently checked that there is probably a subwoofer in the Ford.How to check if it is really there, which cables to connect to hear if it works without removing the upholstery. All I need is information about which cables activate the...
  2. B

    New head unit, now sub "thumps" when turning on...

    I just put a Pioneer AVH-1440NEX head unit in my '06 Limited to get CarPlay and a backup camera. Most things work well, but a few seconds after I turn the key on (and the head unit powers up) the sub "thumps" once--kind of like when you plug something into an amp that is already on. I'm...
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