The PIE FRDN-AUX100 converts the 20 PIN headunit connector of your FACTORY RADIO into an auxiliary input with an RCA connector to provide you digital sound quality. With this converter installed you can connect and listen to any external audio sources such as IPods, IPhones, IPads, XM Satellite Radio, MP3, Video Game Systems, DVD player or any other device that has headphone/RCA audio output without using an FM modulator or transmitter. To aid in the installation of external audio devices we are now offering a FREE Direct Wire to RCA Cable plugs into the IPod dock and connects with the Auxiliary Input Converter to provide both iPod charging via 12 volt connection from the car and audio output. Designed with built in circiut board that will charge both new 5 volt and older 12 volt iPod models. Works on the 3g iPhone (including the new iPhone S), 4th gen. Nano, 2ng gen. iPod touch, iPod classic and older ipod models. Any other models please email for more up to date fitment.