My truck has a 12" Subwoofer, 2 6x9 Alpines, 2 6.5 Type Rs, a P300-1 amplifier and an Alpine 300 amplifier. And, suddenly after messing with the settings on my sub amp, the audio has become unequal on the left and the right speakers, and I'm unable to do that.
Such as on Tarantula by SP, the...