I needed an iPod connector with USB and audio signals (no connectors) only for a low-power transmitter project. My choices were to find the iPod connector and small, flexible 5-conductor shielded cable and make my own, or find a ready-made cable and cut the USB and audio connectors off.
After looking in several stores for a ready-made cable and only finding one for $50, I decided to make my own. I found an iPod connector easy enough (about $14), but the small, flexible 5-conductor shielded cable surprisingly proved much more difficult.
I then came across LightInTheBox.com - and there was a ready made cable for less than half the cost of the connector alone - I purchased three. One I used as is for the stereo. The 2nd I am using for the transmitter project. The 3rd I am keeping for some future use or as a gift.

Be sure to check for compatibility before ordering this item. It works ok on my Ipod Touch, but I can not play movies on my TV. I can connect sound to my amplifier and that is nice, but no video:(
I used the cable to connect to my Ipod when I first received it and it worked fine. Then I connected to the TV and amplifier to see how it worked and after it failed the video test, I went back to the computer. When I plugged into the computer, ITunes did not see the pod. I tried the factory cable and it did not work either. I shut down and restarted several times and neither cable seemed to work. An hour later I tried again and now both cables make the connection.
I am hesitant to use the cable now because I am afraid that I will lose my ITunes connection again. I may try it though, because ITunes did come back (but I don't know why)
Model MB531LL
Version 3.1.3 (7E18)

El cable funiona con un ipod classic, no da una calidad de imagen escepcional pero funciona. Requiere que el conector usb se conecte a un cargador convencional. Si lo conectas al terminal usb del televisor, hay problemas de comunicación con el ipod. El problema es que el cable usb es corto, por lo que necesitas un alargador para poder conectarlo al alimentador. En resumen, el cable funciona pero conectarlo es algo engorroso. Puede resultar útil para llevar tus películas en el ipod y verlas en un televisor de hotel, por ejemplo.