(Main Menu > Options > Audio and Video).
• Make sure that the Voice Chat Volume is turned up to a good level.
• If you have trouble being heard, reduce the Pick Up Threshold setting.
This will allow your microphone to pick up lower volumes.
If this does not fix the issue for you yet, please try the steps outlined in our dedicated sound issues troubleshooting steps.
Should the issue still persist, or if you need any help with those steps, feel free to get in touch.