You guys keep focusing on how many features. Features don't get you the best sound. I don't see a cheap Kenwood DDX8019 anywhere. I would never get that one over the W505. I was at this local comp a few weeks ago and almost everyone was running Alpines. I do remember a guy with a Kenwood double din. He put up the worst SPL numbers of the day. He got spanked by every 2V Alpine out there. It might have been his setup. I'm not saying Kenwood *****. I like Kenwood over Pioneer. I've ran Kenwood and the Excelon. I still like Alpine better. By the the way, I got first place in that comp for the SPL Amatuer Class. You still can't go wrong with the Kenwood.