since there is an analog input via the italk, you could mp3 via audio out from a cd player
the files would not be "named" though
http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/70202/wo/cD5isWAGcETH20wjF4K4E5J0n4r/2.0.0.11.1.0.6.9.3.19.0.1.0.1.1.1.1.0.3Griffin iTalk - iPod Voice Recorder
Plug the Griffin iTalk into the top of your iPod and suddenly you have a world-class voice recorder with literally thousands of hours of recording time. Supports iPod models with Dock Connector. Does not support iPod mini or iPod shuffle.
Price
$39.95
Ships:
5-7 business days
If you thought your iPod was just an MP3 player, think again. Plug the Griffin iTalk into the top of your iPod and suddenly you have a world-class voice recorder with literally thousands of hours of recording time.
Supports iPod models with Dock Connector. Does not support iPod mini or iPod shuffle.
With iTalk you can record seminars, meetings, classes, notes in your car, songs, whatever you want - up to 100 feet away. Its built in microphone was designed to record crystal clear audio and iTalk's Automatic Gain Control assures you have the best possible signal level recorded. You can even connect an external microphone directly to iTalk for even more recording options.