Originally Posted by MB Nubee

I have looked into those and they are nice! Of course, the one I like the best is $599. I was offering info on a great product by JL Audio that keeps your stock HU and allows you to add aftermarket amps. It also balances the equalization issues the factory systems have these days, and a bunch more. But, I put a halt to that when I found out the stock HU only plays down to 50Hz. Hence, my search for a CD/MP3/WMA player.