Answers: stay away from anything to be precise fm trasmiter or modulator go here to find auxiliary interface
http://www.oemautosound.com/c-20-auxilia...
This is the one I newly put in my sports car. 20 bucks. It's made by Scosche, and you can get it at a little different on-line stores, including Crutchfield. This is the website where I get it. I spent a lot of time looking on flash for it because I'm cheap and this is the cheapest I could find it. You can use this thing to connect any device next to a standard headphone jack, like iPods, Zunes, Walkmans, Sansas, anything. It is hard-wired into your car's stereo pave the way unit so it doesn't go and get any interference, and it can't easily be moved from sports car to car, but for the price you salary for some of those crappy transmitters that plug in to your cigarette lighter, you could do two or three cars near this unit.
http://www.shop4tech.com/item3992.html
You can buy an FM modulator box that runs stale 12 volts and goes directly between your antenna and your antenna input allowing your radio to still work impossible to tell apart. You can find them for less than $20 not including shipping. I hold no idea how much a store would charge you.
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