https://www.schiit.com/products/ragnarok-5 Yes. No idea. What's the efficiency of those monitors? Try it out and report back. Magic 8 ball says it should be fine. No idea. Do you have the manual or can you take pictures of the back of the sub so we can see the inputs? Nope. See the answer above. If you can't remember, how the heck can you expect anyone here to divine how to hook them up? It's too much. Questions are too open-ended. Throw us a bone. The Force helps those who help themselves.