I have 2 viper 12" dual 4 ohm voice coils set to parallel with a xplod 1000 watt amp. I have pioneer speakers all around. and recently my speakers (not subs) have started distorting.... now in the morning (on my way to school) they sound fine. but when Later on like leaving school. All my speaker start distorting.... It bugggs the frickin crap out of me. I have a strong Battery and the best wire there are. what the heck is it doing????????????