How to adjust the Volume, Bass or Treble

Short answer

Adjust volume, bass, and treble on Acton II Bluetooth using the three control buttons. Indicators show the adjustment levels.

To adjust the Volume / Bass and Treble, turn the corresponding knob on the top panel:

  1. Volume control.

  2. Bass control.

  3. Treble control.

Note: The audio can also be adjusted from the Marshall Bluetooth® App.

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