Xbox Wireless Headset keeps disconnecting and reconnecting with Xbox Series X in 120hz...

Same issue on Xbox series X with xbox wireless headset. DTS encoder works just fine, dolby lets my headset disconnect and reconnect continuously. It’s unusable. I don’t think the problem is with your receiver, try DTS and see what happens.

same here, but can't confirm it works properly in 60hz as i didn't try that.

If you already tried updating and resetting the headset and still encounter the disconnection issues, I recommend requesting a replacement here: Device service and repair

I will try, but I'm worry it is not a headset issue as they working ok with my xbox one and with other devices over bluetooth. I have the issue only when I set 120hz display refreash rate

Just got an update for series x and xbox wireless headset (0.0.9.22) i'm not an insider. And it seems that disconnecting problem was finally fixed! i've experienced sound cut outs and disconnections too often and the worst case was fh 4. I've been playing for an hour after update and haven't experienced any issues. Before the update i can't even play 10 minutes without issues. Also it seems they reduced bass in headset so i can use standart game preset.

Here is a post that can maybe answer your by Mister Rush
https://answers.microsoft.com/en-us...eries-xs/221c9d7f-dc91-4067-ba81-33ab671179b5

"4K/120hz

• Known issue: If you're using a 4K@120Hz TV that also supports VRR you might encounter no signal or a corrupted image when the Xbox is configured for 4K120+VRR. This issue occurs with various TVs from LG, Samsung, or Vizio.
  
• Workaround:
  
  • Update to the latest firmware on your TV
    
    • If using an LG TV: https://www.lg.com/us/support/software-firmware-drivers
      
      • For further assistance on setting up your LG TV to get the most out of your Xbox Series X|S, go to the LG troubleshooting/support guide.
        
    • If using a Samsung TV: https://www.samsung.com/us/support/downloads/
      
    • If using a Vizio TV: https://support.vizio.com/s/firmware-search
      
      • For further assistance on setting up your Vizio TV to get the most out of your Xbox Series X|S, go to the Vizio support FAQ.
        
        Note: To best ensure that you always have the latest firmware update for your TV, confirm that you TV is connected to the internet and that automatic updates are enabled.
        
  • If the issue persists, also consider trying the following:
    
    • Configure the console for 4K/60 with VRR by going to Settings> General > TV & display options > Video Modes. Check the box for Allow variable refresh rate.
      
    • Configure the console for 4K/120 with no VRR by going to Settings > General > TV & display options > Video Modes. Uncheck the box for Allow variable refresh rate. The resolution and refresh rates are found under Display in TV & Display options.
      
    • If you wish to experience 120hz and VRR, configure for 1080p/120hz VRR or 1440p/120hz VRR by going to Settings > General > TV & display options > Video Modes. Check the box for Allow variable refresh rate. The resolution and refresh rates are found under Display in TV & Display options.
      
  • If you're experiencing a corrupted image, try these workarounds to revert back to a safe video mode:
    
    • Restart your console and configure your video modes to one of the options listed above.
      
    • If you're still experiencing a corrupted image after restart, disable VRR on the TV. Consult your TV manufacture's manual on how to do this.
      
    • If the issue still persists after steps 1 and 2, perform the video mode reset sequence to get back to a safe state and configure for one of the two options above. To do this, follow these steps under Your screen is blank after you turn on the console > Reset your display settings."