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BenQ Europe respect your data privacy. We use cookies and similar technologies to ensure you get the best experience when visiting our website. You can either accept these cookies by clicking “Accept Cookies”, or click “Only Required Cookies” to refuse all non-essential technologies. You can customise your cookie settings here at any time. For further information, please visit our Cookie Policy and our Privacy Policy.

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When my device is connected to the speaker via Bluetooth, why does the speaker sometimes fail to produce any sound and the microphone does not work?

06-06-2024

If your speaker is not producing any sound, please ensure that:

  1. You have disconnected the audio cable from the speaker.
  2. The volume level on the speaker is not at its lowest.
  3. You have increased the volume level on the Bluetooth device.
  4. The device is already connected to the speaker, and then check that “treVolo U” is selected in the Bluetooth device list.
  5. To use the speaker to play music and sound for content on your PC, enter the audio menu of your PC and select the PC itself as the microphone and “treVolo U stereo” as the speaker.
  6. To use the speaker for online courses or calls on your PC, enter the audio menu of your PC and select “treVolo U Hands-Free AG Audio” as the microphone and “treVolo U Hands-Free AG Audio” as the speaker.

If your microphone is not working, please ensure that:

  1. The device is already connected to the speaker, and then check that “treVolo U” is selected in the Bluetooth device list.
  2. If you are using a PC to connect to the speaker, in the audio menu of the PC select “treVolo U Hands-Free AG Audio” as the microphone and select “treVolo U Hands-Free AG Audio” as the speaker.
  3. If the microphone is still unable to receive audio, use an audio cable to connect to the speaker.

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