There are 76 reviews for the JVC on Crutchfield. At least one of those people should have a clue...Oh.. Think the jvc is any better than the clarion? Settings wise?
lol, no doubt...dude, u need to do some research if u don't know about preout voltage
google search is your friendLol gimme tha crash course. And crutch sais it has 5vnot 2