Quick Update for anyone who might see this... I was having the same issue with mine, and I can't totally confirm that I've perma-fixed it (i think it resets with each firmware update) but I went into the Sound Control Panel, Selected the headset, Clicked "Properties", and under "Advanced" I noticed it was set to "8 Channel 48000Hz".. I changed it to "2 channel, 16bit, 48000Hz DVD quality" and it seems to have stopped..
Also after I changed it, the 8 Channel option disappeared? Either way, Overwatch audio seems to be stable now. Hope this helps someone.
