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Message: <blockquote data-quote="dabe" data-source="post: 503745" data-attributes="member: 555134">i've got 2 problems...1. ive got an mtx 421d amp running 2 punch2 12" subs and for some reason the amp's eq, freq, and gain are really really touchy. im not gettin the power out of the subs i thought i would. it seems like everytime i try to change the eq, freq, and gains to make it better, it only gets worse. anyone have this amp, or have the same problem?2. i can hear the spinning of the cd through my speakers, but just the rear not the front. i grounded, wired, regrounded, rewired everything and i still can hear the noise. i changed speakers and i still hear it. Ive got a new audiobahn amp, could that be it? could it be the headunit ground? NEED HELP FAST</blockquote>

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