Yamaha WXA50 speaker wiring


Novice Member
Hi All,
I need to connect a pair of speakers with a 3 wire cable but can’t tell which terminal is common. Does anyone have any tips or guidance. Have looked at the amplifier wiring diagram but not clear which is common. Any help would be much appreciated.
I’m new to the forum so please forgive me if this isn’t posted in the right place.
Cheers. Paul


AIUI the Yamaha is Class D and if it is a BTL design then you cannot wire your speakers this way - liable to fry the amp. You will need to run two discrete pairs as there is no 'common' terminal


Novice Member
Hi larkone, many thanks for you swift reply. The wiring diagram does say it’s a BTL design so I’ll be running an extra cable. Thanks for saving my amp! Much appreciated.

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