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How to Turn On or Off Mono Audio in Windows 11

Richard
Written by
Richard
Mar 18, 2026 Updated Aug 13, 2026 2 min read
How to Turn On or Off Mono Audio in Windows 11
How to Turn On or Off Mono Audio in Windows 11

Mono audio in Windows 11 combines the left and right stereo sound channels so you hear the exact same sound in both ears. This Windows accessibility setting helps you hear everything clearly when you only use one headphone, or if you have hearing loss in one ear.

Turning on this feature mixes all audio tracks together, which automatically turns off spatial sound on your PC. You can switch mono audio on or off in just a few clicks through the Windows 11 settings app.

⚡ Quick Answer

Combine stereo sound into a single channel by opening Quick Settings (Win+A) and clicking Accessibility, or navigate to Settings System Sound Output devices You can also find the option under Settings Accessibility Audio

Option One

Turn On or Off Mono Audio in Quick Settings

  1. Open Quick Settings (Win+A). Click on Accessibility.
  2. Turn on or off Mono audio. Choose whatever works for you.
Mono audio option in Quick Settings menu on Windows 11
Mono audio option in Quick Settings menu on Windows 11

Option Two

Turn On or Off Mono Audio in System Settings

  1. Open Settings (Win+I).
  2. Click System on the left side. Then click Sound on the right side.
  3. Find Output devices. Turn on or off Mono audio based on what you need.
  4. You can now close Settings if you like.
Windows Sound tile in Windows Settings app
Windows Sound tile in Windows Settings app
Mono audio tile button in Windows 11 Sound settings
Mono audio tile button in Windows 11 Sound settings

Option Three

Turn On or Off Mono Audio in Accessibility Settings

  1. Open Settings (Win+I).
  2. Click Accessibility on the left side. Click Audio under Hearing on the right side.
  3. Turn on or off Mono audio for what you want.
  4. You can now close Settings if you like.
Mono audio accessibility button in Windows 11 settings
Mono audio accessibility button in Windows 11 settings

Option Four

Turn On or Off Mono Audio Using Registry

⚠️ Admin privileges required

Turn On Mono Audio

🗝️Registry
reg add "HKEY_CURRENT_USER\Software\Microsoft\Multimedia\Audio" /v AccessibilityMonoMixState /t REG_DWORD /d 1 /f

Turn Off Mono Audio

This is the default setting.

🗝️Registry
reg add "HKEY_CURRENT_USER\Software\Microsoft\Multimedia\Audio" /v AccessibilityMonoMixState /t REG_DWORD /d 0 /f

Summary

Windows 11 makes it easy to turn mono audio on or off. You have four options to do this. The quickest way is using Quick Settings. If you prefer using the settings menu, you can find mono audio in System Settings under Sound, or in Accessibility Settings under Hearing and Audio. Advanced users can also adjust this setting using the Windows Registry. Mono audio is helpful for people with hearing loss in one ear, as it combines sound from both channels into both ears when wearing headphones.

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Tags: #Windows 11
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Richard

About the Author

Richard

Tech Writer, IT Professional

Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.

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