Just a quick question, what do I use to split the subwoofer cable? I have a Denon 3808ci so I guess I need some type of y connector but not sure what. Anyone know?

I don't see that Axiom sells any subwoofer cables or am I missing it?
M22's v3, 2 x EP500v3, VP150v3, QS4's, Denon 3808CI

My Botswana Safari photos