Marshall Monitor III A.N.C. Black over-ear headphones.

Support for Monitor III A.N.C.

Released in 2024, Monitor III A.N.C. are are wireless over-ear headphones with active noise cancellation and Bluetooth 5.3 technology.

UPDATE THE FIRMWARE

Open the Marshall Bluetooth app and pair it with the Monitor III A.N.C. to update the firmware to the latest version with bug fixes and software updates. Read guide

Quick Assists

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Documents

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Warranty and Repairs

Quick guide icon - App

Download app

Learn the basics

Follow these steps to set up and start using your Monitor III A.N.C.

Guides

Get started

Get started

Learn how to start using the Marshall Monitor III A.N.C. in simple steps with this guide.

Read guideGet started

Charging

Charging

To charge the Marshall Monitor III A.N.C. correctly follow the instructions in this guide.

Read guideCharging

Control button

Control button

Monitor III A.N.C. comes with different types of functionalities. Read this guide and learn how to use them.

Read guideControl button

M-Button

M-Button

Learn more about the M-Button and how to use it with this guide.

Read guideM-Button

Noise cancelling

Noise cancelling

understand how the noise-cancelling feature of Monitor III A.N.C. works with this guide.

Read guideNoise cancelling

Marshall app

Marshall app

Use the Marshall Bluetooth app to take your sound experience to the next level.

Read guideMarshall app

How to store

How to store

Check this article on how to store the Monitor III A.N.C. to keep it in good shape for longer.

Read guideHow to store

Replaceable parts

Replaceable parts

Check this article on how to replace the parts of Monitor III A.N.C. to maintain your headphones in good shape for longer

Read guideReplaceable parts

How to clean

How to clean

Learn how to keep your Monitor III A.N.C. headphones clean and pristine without risking damage.

Read guideHow to clean

Factory reset

Factory reset

Learn how to perform a factory reset correctly following this steps.

Read guideFactory reset

Video guides

Video guides

See our video guides specially created to help setting up and understanding your Monitor III A.N.C.

Read guideVideo guides

Troubleshooting

The headphones do not turn on

PRODUCT DETAILS

Quick charge

15 minutes gives 12 hours of playtime

Bluetooth multipoint connectivity

Yes

Wireless connectivity

Bluetooth 5.3

Compatible app

Marshall Bluetooth

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