Marshall Amplification MONITOR II A.N.C., User Manual

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TROUBLESHOOTING

PROBLEM

CAUSE

ACTION

CANNOT PAIR WITH A 

BLUETOOTH DEVICE

The headphones are not in pairing 
mode.

Make sure the headphones are 
turned off. Push the control 
knob for 4 seconds, until the 
LED indicator blinks blue. Select 
MONITOR II from your Bluetooth 
device list.

Your headphones are connected 
to the 3.5 mm lead.

Disconnect the 3.5 mm cable from 
your headphones before Bluetooth 
pairing

ANC IS NOT WORKING

Your headphones are not turned 
on.

Push the control knob for 
2 seconds to turn on your 
headphones.

ANC is not on.

Push the ANC button for 2 
seconds to turn ANC on.

Short-press the ANC button to 
toggle the ANC modes.

ANC level is turned down in the 
Marshall Bluetooth app.

Go to the Marshall Bluetooth app 
and set the level of the ANC in the 
ANC settings menu.

PROBLEM

CAUSE

ACTION

THERE ARE TWO INSTANCES OF 

MONITOR II IN THE BLUETOOTH 

DEVICE LIST

Monitor II A.N.C. uses two 
Bluetooth connections. One 
connection is for audio streaming 
and the other is a low energy 
Bluetooth connection for the app.

This is normal behaviour and no 
action is needed.

THE HEADPHONES ARE NOT 

RESPONDING

A software error has occurred.

Perform a hardware reset:

Push and hold the M-button 
while pushing the control button 
downwards.

If the problem persists, perform a 
factory reset.

Note: This will delete all user 
settings and after the factory 
reset, the headphones need to be 
set up again.

Push and hold both the M-button 
and the control knob for 7 
seconds until the LED indicator 
turns purple.