Matt, I just swapped out my single Becker CDR-220 for a double Din unit.
I do have the head unit which was attached to a 6 disc changer. The unit says that it can do "Lineout-Phone-Disk Changer Interface".
If this is what you need just hit me up, we can discuss price or possible swap if you happen to have any extra wind deflectors. I recently broke both of mine when I pushed my class rear window into them trying to gain access to do some AOS work.
Shoot me an email or PM.
calmg0d@yahoo.com
Cheers. Thom