[A horse with no name]

Originally Posted by nineball

i have never heard of any a/b switch type thing that would do what you want to but there is a very easy solution. just get a set of dual female to single male rca 'y' cables. the only thing you would have to watch out for would be running both your iphone and your headunit at the same time, but so long as you don't you should be fine.

That's what I'll do - Being that I am using the radio to power up the amp I would now need to wire in a separate power switch for the iPod . Thanks for the easy solution.