i ended up getting one of these;
http://cgi.ebay.com/ws/eBayISAPI.dll...m=201034933256
i got it so i could pull it apart and figure out how to make them, but unfortunately they dipped the entire unit in some form of waterproofing.
the parts work great, quick install (literally plug and play) and makes my quiet pro work with no impedance issues. the one issue i find is i had to short out pins A and E to disable to speaker when the headset is connected. I will make a quick and dirty programing guide when ever i get time.