Alpine MRV-F345 channel 2 issues

[zozom3]

I am having an issue with my amp. I previously had this same model amp but channel 2 would cut in and out while I drive. I swap channel 1 and channel 2 RCAs and the problem would persist on channel 2. I figure its the amp, so I replaced the amp with the exact same model. After 4 months of no issues, channel 2 is now cutting out. I swap RCAs and the problem remains on channel 2. I know channel 2 is for sure having this issue but 2 amps in a row? I cant find anything on the web with issues with this amp. Could there be something with my system causing channel 2 to go bad? Since even swapping the RCAs channel 2 shows to be defective but before replacing this amp I want to know why does this keep happening. I am also running a sound processor, Pioneer DEQ-7600 that is connected to my stock deck. I have a '06 mazda 3 w/ 6 disc mp3 changer.

[I Am An Idiot]

In order to figure out if it is your amp, you really need to swap speaker wiring put channel 1 speaker on channel 2 output. And connect speaker 2 to channel 1. If the problem continues on speaker 2 there is a problem with speaker/wiring. If problem moves to speaker 1 your amp is the problem.