I don't believe that you can purchase an iPod or MP3 Player with an FM transmitter built in. All search results showed stores where you can buy FM transmitters separately.
An FM transmitter for an iPod should be available wherever accessories for the iPod are sold, such as the Apple Store, Best Buy or Target, either online or in their retail stores.
An iPod FM transmitter can be a great tool to use in the car because it allows you to listen to the iPod on your radio. However, you should make sure that you buy a transmitter that comes with some sort of stand. Some of them are just connected to the iPod by cords and wires. When you go around corners, the transmitter will slide and fall to the floor, dragging the iPod with it.
I take it you have a FM radio, if so you can get a FM transmitter for your Ipod, All you have to do then is tune your radio to the frequency of the transmitter .
A FM transmitter modified iPod can be purchased on the auction site eBay. eBay also has stores which sell FM transmitters so you can modify your iPod yourself.
Best Buy has low prices and free shipping on the connections you need to play your iPod in your car, including car iPod adapters, FM transmitters and more
an iTrip transmitter is an FM transmitter that is compatible with Apple iPods. You can plug in your iPod, and it will play your music through an intermittent FM station.
If your IPod does not have an AM setting your cannot use it to listen to AM channels. You can use an FM transmitter for an IPOD to transmit music from your IPOD through your radio. Many of these will also charge your IPOD.
An FM transmitter is an accessory that connects to an iPod and converts its audio into FM airwaves, so that you can listen to it with an FM radio. Some are fixed to a single frequency while others can adjust their output to different frequencies.
There are several IPod models that lack FM Transmitters. Luckily, several companies sell FM Transmitters separately that can be used with your IPod. Electronics stores like Best Buy often carry these, as well as independent stores in your local mall.
Amazon, the Apple Store, and Best Buy are three of the stores that sell new FM transmitters for the Apple iPod. They also sell other accessories as well.
From the research I have done, the best FM transmitter will depend on what you are using it for. Two that I found come rated with 4 and 1/2 stars are the Belkin TuneCast F8Z498-P FM Transmitter and the Griffin itrip auto fm transmitter for ipod.