I have been checking out the Tigertronics SignalLink radio-to-soundcard interface. Works great! For anyone interested, I can give you the appropriate connections within the SignalLink to match its modular plug to the K2's 8-pin mic jack. See the SignalLink at http://www.tigertronics.com/sl_main.htm Tigertronics main page is http://www.tigertronics.com/ Dave Weiss KI0RP K2 #2249