Another sub problem, helpppp Options

[funnyboy117]

In these past two days, when I turn my subs up moderately high, they go crazy and start hitting randomly. At this point I turn down the music, and the random beats continue for anywhere from 5-30 seconds. I normally listen to my music with the volume set at about 20 or 22, but now I can't even go above 18. Does anyone know how this could possibly happen?

[pnoywitmustrdsau...]

umm damn you said that the beat coming from the sub is totally different from the song, yea check all the wires, i can stress that it might be power but, if you running 8 or 4 gauge wire then there is not problem, i guess then it must be your deck (HEAD UNIT)

[funnyboy117]

umm damn you said that the beat coming from the sub is totally different from the song, yea check all the wires, i can stress that it might be power but, if you running 8 or 4 gauge wire then there is not problem, i guess then it must be your deck (HEAD UNIT)
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What would be a problem with the head unit? Could I have blown the amp in it or something?

I checked all the wires and they're all connected just fine, I have to find out if my dad has a wire tester though and see if the power through the wires is all right.