Sony GTK-XB72 Help Manual page 37

Changing the volume level and sound effect on the Party Host will not affect the output on the Party Guests.
You can select another system as the new Party Host only after the Wired Party Chain function has been activated on all the
systems in the chain.
If the selected system does not become the new Party Host after a few seconds, repeat step .
For details of operations on other systems, refer to the operating instructions for the systems.
Related Topic
Connecting multiple audio systems (Wired Party Chain function)
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