Or ....
Redo connectors at speaker end :
(i) remove all 4 spade connectors first;
(ii) then combine and twist like cables together;
(iii) then re-solder /reconnect with new banana or z-plug connectors. I prefer quality gold plated compression plugs (including WBTs) that fit snug and no soldering req'd
Redo connectors at speaker end :
(i) remove all 4 spade connectors first;
(ii) then combine and twist like cables together;
(iii) then re-solder /reconnect with new banana or z-plug connectors. I prefer quality gold plated compression plugs (including WBTs) that fit snug and no soldering req'd