Sony MHC-V6D Operating Instructions Manual page 51

 If one of the systems is not equipped with Party Chain function
Example: When connecting using this system as the first system
Continue the connection
Last
until the last system
system
You can connect the system which is not equipped with Party Chain function
ˎ ˎ
at the last system. Be sure to select the audio in function on this last system.
You must select the first system as Party Host so that all systems are playing
ˎ ˎ
the same music when Party Chain function is activated.
In this connection, the first system and the last system are not connected.
ˎ ˎ
Second system
First system
51
GB