I replaced the speakers with Memphis audio component speakers for the front and 2 ways in the rear. Prior to replacing them the drivers side rear was very low and distorted, I thought it was just the speaker but the new one does the same thing. I made sure I wired it right. Is it possible the amp channel is bad? I'm no audiophile so any help would be much appreciated, I did a search even a site specific google search and can't find anything. 2005 LC with nav.