Sony MHC-V71 Operating Instructions Manual page 38

 If one of the systems is not equipped with Wired Party Chain
function
Example: When connecting using this system as the first system
First system
* Connect the system which is not equipped with Wired Party Chain function at the last
system, otherwise the chain will stop at that system. Be sure to select the Audio In
function on this last system.
The last system is not connected to the first system.
• •
You must select the first system as Party Host so that all systems are playing
• •
the same music when Wired Party Chain function is activated.
38
US
Continue the
connection until
the last system
Second
system
Last system*