i have a pioneer setup 6x9 and the front door speakers new tweeters.both sides sounded great loud just what i wanted since im goin for the vocal than bass.anyways recently my passenger door and back speakers are way louder than my drivers side speakers,i have the adjustment set half way and its like your hearing just the right side,left tweeter doesnt pick up and if adjust it all the way to the left u hear the music but not loud like it used to be,what do you guys recomend me to do,thanx in advance