Ensure that only one voice chat application is in use while in-game. Be sure you hear a click when the microphone is flipped down. The microphone will only function when it is flipped down fully. If you see a red LED on the microphone, it is muted.



How to check your PC settings for the correct recording device
1. Go to Control Panel

2. Select Hardware and Sound

3. Click on Sound

3 Select  Recording


4. Make sure to select the proper recording device.

1. Right-click on it Quantum headset.

   

2. Now select "Set Default Device" or Select "Default Communication Device"

   

5. Check the microphone levels by right-click on your Quantum headset. Then click on Properties


6. Choose Levels.


7. Adjust accordingly.
 

Please also make sure the volume control on the headset is turned up. Rotate the volume wheel on your headset to increase the volume.
Check that your headset's Game-Chat balance dial and ensure that the balance is correct, you might refer to the screenshot below from the QuantumEngine PC software.


If you still cannot hear the game or music audio, or if the volume is still very low, check if the TalkThrough is activated via the QuantumEngine software.


Finally, you can also do a short press on the Smart Ambient button on the headset (if your headset, has this feature)