We're aware that an ATS and ETS2 update has been released. Please avoid updating until the mod is updated, if you wish to play online.
No downgrade option seems to be available, and the mod is not yet compatible.
We will update ASAP, and apologize for the inconvenience.
1. Check your default microphone - it shouldn't be set to stereo mix or similar
2. Check if your headset has the mic mute switch somewhere. If you find it, set it into opposite state - you might've muted the mic by accident.
3. Check the volume of the default microphone - if it's very low(close to 0%), raise it up.
4. Check if you have plugged in the microphone into microphone connector(may not be applicable for USB headsets).
Also make sure that CB radio is actually turned on in-game.
If everything listed is checked and fixed(if applicable) there's settings in-game to change the volume of CB transmit and receive.
In the settings(cog icon) select "sound" tab and you'll find voice and mic volume sliders. First one sets the CB receive volume, the second one sets the CB transmit volume.
Open your panel with the TAB key multiplayer > Voice > Voice volume setting pull to the right.
Open the game. Return to the desktop.at the time sound level in the audio mixer from the speaker icon, right click on TruckersMP.