You can connect any 3 models of headphones of your choice from this list: https://dsoniq.com/standard
You can activate each profile separately when such a need arises. It is not necessary to do this right away when you purchase the plugin.
To activate the necessary model, enter your personal account at the link: https://customer.dsoniq.com/login
In your personal account, click the 'Use a purchased profile'
button and select the desired models from the drop-down list. Click 'Add Model'
to confirm your choice. In order for the changes to take effect on your system, click the 'Add Model'
button in the 'Licence'
If necessary, you can change the selected model within 30 days from the date of activation. After 30 days, the selected profile will be permanently associated with your account.