You can send it off to becker for a relatively heavy fee, or put in an aftermarket unit yourself. I'm not sure what would constitute "crazy amounts of work" but running new speaker wires is pretty easy...

__________________
TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth