I went from the Heil mic/headset to the Yamaha CM-500 couldn't tell any difference except the money I saved. 73 Tex ka5y -- View this message in context: http://elecraft.365791.n2.nabble.com/Heil-Proset-Headphones-tp7612074p7612075.html Sent from the Elecraft mailing list archive at Nabble.com.