“I have never used one of these before and after hooking it up today everything works fine but only the bass level does not change with the volume on the headunit like it would normally.... I have to change it by hand on the amplifier....”

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• Need to know more about your setup to help diagnose the issue. What vehicle? What head unit? What amp and sub setup? Wiring setup? And any other details or symptoms you can think of. High off you have the the LOC wired incorrectly to a set of high output only wires is my guess.

  Answered by iculkn 7 years ago

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• Same happened to me when I tapped into the wires by the radio, then I tapped straight into my factory sub wires and it would change with the volume.

  Answered by RTNitro 7 years ago

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