Question, Is the TT 4 prong mic plug the same and interchangable with the Kenwood 4 prong mics and items such as the PC1 phone patch with the 4 prong mic plug?. Jeff -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com Search: http://www.contesting.com/km9p/search.htm