My G933 that I've had for a little over a year now started to have issues with the power button that affected the sound. I contacted Logitech support and tried all of
1pc Headphone Switch Power Button Replacement Parts for Logitech G933 G933S New | eBay
1pc Headphone Switch Power Button Replacement Parts for Logitech G933 G933S New | eBay
The power switch causing issues is a common problem with this headset (Logitech G933), but it's not the electrical switch causing the problem, it's the plastic cover pressing on the switch in
How to fix Logitech G933 power button problem | How to fix | Logitech g933 | Fixing Logitech G933 - YouTube