Have you tried to force Windows to output stereo? Control Panel->Hardware and Sound->Sound->Highlight your soundcard/device->Configure->Choose the configuration you want.
This thread was added on September 05, 2019, with posts from [DE]George.
Warframe Dev Tracker
This thread was added on September 05, 2019, with posts from [DE]George.
Have you tried to force Windows to output stereo? Control Panel->Hardware and Sound->Sound->Highlight your soundcard/device->Configure->Choose the configuration you want.