How about this...
http://forum.ppcgeeks.com/showthread.php?t=102820
Make software to allow our phones to receive an audio signal via bluetooth and port it to the headphone jack.
source has bluetooth transmitter plugged into the headphone jack and the TP2 picks up the signal and plays it through the headphone jack... To watch tv at night... to listen to your stereo from the couch wirelessly... To avoid plugging your headphones into a friends iPod lol.
p.