Sub/Amp Problem?

[alternativesurf]

So just yesterday i noticed that my subwoofer was cutting in and out. It would work, then shutdown, then work, then work but softly, continuing till i shut off my stereo.

The amp is a Polk Momo c300.2 and the sub is a Polk Momo 12" mm2124

Oh, and then as a second problem, my speakers started to shut off today, not at the same time, but shut off and stay off for a while, then turn back on and work for about 15 minutes, then shut off again

the speakers are polk momo mmc570's, and the amp driving them is a 2 channel mtx thunder 282

head unit is a pioneer DEH-P8MP

and all the cables power are firmly attached, tested, and working perfectly, thats what i tried first.

Any suggestions/ideas would be greatly appreciated. Thanks

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[blackgeltabs 5,000+ posts]

Do you own a volt meter? I would check to make sure the amp is getting 14volts of power from the battery. There could be some resistance from the battery to the amp causing sporadic behavior.

 

[Gianotti 10+ year member]

i's say check your ground, i cant tell you how many times ive forgot to hook up the ground, and put it at a bad spot, or the paint wasnt all the off. other then that get a volt meter like blackgeltabs said....