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Troubleshooting
If you have problems using this product, check the following points before you 
request service.
No sound or poor sound
•  Make sure you have chosen JBL QUANTUMONE GAME as the default device in 
the game sound settings of your PC, Mac or gaming console device.
•  Adjust volume on your PC, Mac or gaming console device. 
•  Check game chat balance on PC if you are only playing game or chat audio.
•  Check that ANC is enabled while TalkThru is disabled. 
In USB connection:
•  Make sure the USB cable is connected securely.
•  The USB ports on some gaming console devices may be incompatible with JBL 
QUANTUMONE. This is not a malfunction.
In 3.5mm audio connection: 
•  Make sure the 3.5mm audio cable is connected securely.
My voice cannot be heard by my teammates
•  Make sure you have chosen JBL QUANTUMONE CHAT as the default device in 
the chat sound settings of your PC, Mac or gaming console device.
•  Make sure the microphone is not muted. 
I can’t hear myself when I’m talking
•  Enable sidetone via JBL QuantumENGINE to hear yourself clearly over game 
audio. ANC/TalkThru will be disabled when sidetone is enabled.