Also, with Alpine decks, more expensive models pretty much only have more features. Most of them are useless unless you're connecting amps. Cheaper sounds the same if you're doing a simple swap of your factory deck and nothing else.
The iPod is controlled through the deck, not the iPod itself, much like a CD changer would bd controlled.
The iPod is controlled through the deck, not the iPod itself, much like a CD changer would bd controlled.