Stock GM head unit -> Audio Control LC6 -> JL 300/4 & JL 250/1 -> CDT EF-61 front, Kappa rears, 10w3 sub.
Goals: retain sub level control via LC6, bridge 300/4 to 2 channels, retain factory head, retain factory fader, retain rears, retain 6 channels.
Here's what I want to do...