Audio works, but your microphone doesn't?
First, select what you're using the C81-G with. We'll show only the steps for that device.
What are you using?
Select your device to begin.
Does Windows detect C81-G as a microphone?
Check Windows first before changing your call app.
Do you see C81-G under Input?
Reconnect the C81-G first
- Unplug the C81-G.
- Connect it to another USB port.
- Wait a few seconds.
- Check Windows Sound settings again.
Test the microphone
Check whether Windows is receiving your voice.
Select C81-G under Input, speak into your headset microphone, and watch the input-level meter.
Does the input meter move when you speak?
Does your Mac detect C81-G?
Check the Mac input device before changing your call app.
Select C81-G as the input device.
Do you see C81-G under Input?
Reconnect the C81-G
- Unplug the C81-G from your Mac.
- Reconnect it to another available USB port or compatible adapter.
- Wait a few seconds for macOS to detect it.
- Return to System Settings > Sound > Input.
Test the microphone
Check whether your Mac is receiving your voice.
With C81-G selected under Input, speak into your headset microphone and watch the input-level indicator.
Does the input level respond when you speak?
Check the Batch No. on your C81-G
The Call Mode behavior depends on your C81-G batch.
Enter Call Mode manually
Double-click the Multi-Function Button.
No manual switching needed
The C81-G automatically switches between Music Mode and Call Mode.
Test the microphone again. Does it work now?
Your microphone is detected — now check the app
Use C81-G for both the microphone and speaker.
Open the audio settings in Zoom, Teams, Discord, Skype, or the communication app you're using.
Completely close other communication apps such as Zoom, Teams, Discord, or Skype. Then reopen only the app you want to use.
Still no microphone response?
Restart the C81-G audio connection.
- Close your communication app completely.
- Unplug the C81-G.
- Reconnect the C81-G.
- Wait for your computer to detect it.
- If your C81-G is before Batch 25J3, double-click the MFB to enter Call Mode.
- Test the microphone again.
Use Ask a Question below and include your C81-G Batch No., headphone model, computer model / OS, and call app.
Using C81-G on PS5?
The microphone setup is different from Windows and Mac.
This is a PS5 limitation. Use C81-G for your headphone audio, then use the PS5 controller microphone or a separate USB microphone for voice chat.
Option 1: Use the PS5 controller microphone
This keeps your game audio playing through the Bluetooth headphones connected to C81-G while your controller handles your voice.
Option 2: Use a USB microphone
If you don't want to use the controller microphone, connect a compatible USB microphone directly to the PS5.
Go to Settings > Sound > Microphone and increase the microphone level.
Still need help?
Tell us whether you're using Windows, Mac, or PS5, your C81-G Batch No., and your headphone model.
ASK A QUESTION
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