Question about Kenwood eXcelon KAC-X812D Car Audio Amplifier

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Unwanted bass coming out of my subs

When i turn my amp 1/4 the way up my subs hit hard and the radio isnt even on. and when i turn the radio on the subs make a loud popping sound or humming of constant bass. i have aleady changed the rca's and the power wire. i dont knw what to do b/c my subs sounds like garbage b/c i have to have the bass turned down so low. oh yea i also have a eq running on them to

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  • Perry Babin May 11, 2010

    I agree, the first thing to do is to run the head unit straight to the amp. If the problem remains, check the shield ground for the head unit.



    Temporary Shield Ground Repair

  • blueextc3221
    blueextc3221 May 11, 2010

    have you tried bypassing the EQ? A slider or rheostat may be faulty. Do that, and post back your results.

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  • 12 Answers

There has to be sumthn hooked up wrong bc i have had same problem with my 12' subs but it was simply a matter of my rca jacks but sense you have checked them try rewiring the speakers if that does not work then your rca module may be burned out within the amp..iso then check the amp by taking the cover off and making sure nuthn is burned on the inside.or if any wires are loose or touching.

Posted on Feb 26, 2009

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number 1 sub number 2 sub

+ - -------------------------------------------------------------- + -
I I
I I
I I
I I
I I
I I
to amp to amp speaker side speaker side


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