How to use the M-button
Short answer
Push the M-button to switch between three equaliser presets or hold it to access the voice assistant. You can customise the settings in the Marshall Bluetooth app.
Push the M-button to access a custom action that can be selected in the Marshall Bluetooth app.
The M-button can be set to switch between three different equaliser presets or alternatively, your phones voice assistant or the Google Assistant. Go to the Marshall Bluetooth app and configure the M-button from the M-Button settings menu.
Note: Voice assistant may not be available in your country and requires a separate account/agreement between you and the third party service.
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