CNCESS 4-Pole Speakon Splitter Cable – Male Plug to 2-Pole Female Plug
Male plug=1+1-2+2-, First female jack=1+1- (2+2- empty), Second female jack=2+2- (1+1- empty). Wiring layout: male 1+/1-/2+/2- splits to first female 1+/1- and second female 2+/2-.