Kenwood KCA-IP500 I-Pod Adapter for use with Kenwood Car Audio headunits.

Enjoy in-car entertainment from your iPod music collection. An interface cable and black box allow connection of an Apple Computers iPod to the changer control terminal of the head unit for playback over the vehicle sound system. What’s more, you also get display of the Playlist, Genre, Artist and Album Names on the head unit for greater convenience.
Possible to connect with ༿ or later Head Units with changer control function (Depending on the model, display may not come up properly.)