Subs making weird noise...

[ChuteBoxe515 10+ year member]

Ok, I just bought and installed a MTX 801D and two Polk Momo 12's...When I turn the gain every remotely up, I get a weird rumble out of my subs even when the HU is paused...what's up?

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[maniackilla 10+ year member]

sounds like you have interference. are you running RCAs from your HU or from a converter? also make sure your RCAs and power wire isnt crammed closely together. and most importantly check your ground wire