Controls
Short answer
Push the source selector button to toggle between Bluetooth, RCA, AUX and USB-C audio source. To select, push and hold the button until the LED starts blinking.

Source Selector
Use the source selector button to select Bluetooth then push and hold it until the LED starts blinking.
Pushing the source selector and the light mode buttons for 2 seconds will enable or disable the child lock.
Media Control
Play, pause, or change track when playing via Bluetooth.
Using the in-built effects
Input 1 and Input 2 can each use one of the three built-in effects: reverb, reverb and delay, and delay.
Push the effects knob to select input channel. A lit indicator shows what channel is selected.
Turn the effect knob to taste.
Changing the light mode
Push the light button to toggle between the light presets (1, 2, 3, and off).
Customisable M-button
Push the M-button to trigger a burst of strobe light. The M-button can be customised in the Marshall app.
Child lock
Child lock is a safety feature that prevents the user from accidentally increasing the volume to dangerous levels.
Push the Source selector and the Light mode buttons for 2 seconds to toggle child lock on or off.




