The Proset-K2 has a 1/4" jack on the cable for a foot or hand switch. 73, Eric WA6HHQ ---- Chris Meagher wrote: > I'm considering purchase of the Heil Pro-Set K2 for contesting use mainly. > I prefer to use PTT switching. How is this arranged with the headset? that > is, where's the button? > Chris Meagher K2 #3666