Y Cable for 2 subs from one AVR Out

That's the one.

Just daisy chain the subs togethor using line out on one to the line in on the other.

Not all subs have a line-out and on those that do it is not always unfiltered. It is actually best to use a Y-adapter instead of passing the signal through one sub, first, anyway.

Yes, it will work just fine. You can get an even cheaper Y-adapter than that, btw.

THIS one will work just fine at a third the price. But yours looks better.

Interesting Sid, Axiom audio says there is no problem daisy chaining their subs togethor. I have 2 ep350v3's and 1 ep600 daisy chained to my Denon 2805 and it works fine. When comparing the SPL readings Daisy Chained versus individual lines using an adapter, I didn't notice any difference in level reductio or SPL. Electrons really don't notice any difference do they?

Anyway, here is another option I've used with success from partsexpress.

We know the Y-adapter is completely transparent. We don't really know about the sub. So why pass the signal through the sub, when you can simply use a Y-adapter instead. You can use a Y at the first sub's input so that the wiring scheme is just like that provided by the daisy chain if you wish.