2N NetSpeaker Quick Start Manual page 16

3. Click on Sessions in the left menu. System asks you to save the changes. Click
on Create a session. Session defines a relationship between sources and
destinations (speakers). The default tray is created in the middle window. In
the right side you can see all defined sources. In the right side, you can see all
connected Speakers.
a. Using Drag & Drop assign the destination to the session. Simple move the
highlighted speaker over the Master fader of the particular session.