CrystalSound - MVO | Installation Guide

Connection requirements

For authentication, CrystalSound must be able to connect to the following domains:

Please whitelist the above domains if CrystalSound is running under proxied internet access.

Hardware requirements

Operating SystemVersionCPUDiskRAM
Mac OS 10.14 Mojave and up (Recommended: Latest Version)Intel Core i3

Apple M1, M2
800 MB free space4GB (Recommended: 8GB)
Window64-bit Windows 10 and up (Recommended: Latest Version)Intel Broadwell Core i3@2.0GHz or higher

AMD Steamroller @2.0GHz or higher
500 MB free space4GB (Recommended: 8GB)
LinuxUbuntu 18.04 (requires gcc-9 installed), Ubuntu 20.04 and up, Debian 10 and upIntel Broadwell Core i3@2.0GHz or higher

AMD Steamroller @2.0GHz or higher
500 MB free space4GB (Recommended: 8GB)


If you haven't downloaded the application yet, please visit to download the installation file. Be sure to select the correct package for your operating system.

Installation Process (Mac OS)

To install CrystalSound - My Voice Only on your computer, follow these steps:
1. Open the installation package.
2. Follow the instructions provided in the package.3. You will need admin permission to install the application.4. Then, you will need to give permission to the application to access the microphone.5. After that, the installation is complete.

Installation Process (Windows)

1. Open the installation package.2. Click Yes and follow the instructions provided in the package.
3. The process will run very quickly, and you will see the Completed screen. Check "Run CrystalSound MVO" and click "Finish."

Installation Process (Linux 22.04)

1. Open the installation package. (We recommend using Software Install, but you can choose any tool you prefer.)2. Click "Install" and follow the instructions.

Sign in to CrystalSound - My Voice Only.

1. Open the CrystalSound window by clicking on the CrystalSound icon, and then click on "Sign in".2. The application will open your browser and prompt you to sign in:
  • If you are using a Gmail or G Suite email account, click "Sign in with Google."
  • If you are using an Outlook or Microsoft 365 email account, click "Sign in with Microsoft."
3. A successful sign-in will prompt a box to open the CrystalSound application.4. This is the home page of the CrystalSound application. You can start using the application now.

Register your voice to use the My Voice Only feature

1. Register your voice by clicking on Register Profile
2. To ensure the best results, please follow these instructions carefully: click on the start button and speak clearly and loudly. We recommend finding a quiet place and ensuring that no one else speaks during registration.3. If the registration fails, please check the error message and try again.4. Once the registration is complete, you will be prompted to provide a name for it.5. You can now select the profile you want to use to access this great feature.6. You have the ability to register up to five profiles, update your current profile, and rename or delete any of them. To perform any of these actions, simply click on the "Manage Profile" button.

Completely uninstall CrystalSound on MacOS

On MacOS, normal uninstallation process will not remove CrystalSound virtual devices. To completely uninstall CrystalSound:
1. Go to Application, move CrystalSound to trash.
2. Open Terminal and run the following commands

sudo rm -rf /Library/Audio/Plug-Ins/HAL/CrystalSound*
sudo launchctl kickstart -k system/
sudo launchctl unload /Library/LaunchDaemons/io.namitech.crystalsound.XPCHelper.plist
sudo rm /Library/LaunchDaemons/io.namitech.crystalsound.XPCHelper.plist
sudo rm /Library/Preferences/io.namitech.CrystalSound.plist
sudo rm -rf /usr/local/libexec/CrystalSoundXPCHelper.xpc
sudo rm /Library/Preferences/io.namitech.CrystalSound.plist

Other tutorials

For a tutorial on how to configure your app with calling apps, please check out our collection of tutorials on our YouTube channel:

For more information such as our features, compatible apps, setting guide, and troubleshooting guide please check our our full user manual here User Manual.


If you encounter any problems during installation or use, please contact us via email at