I bought a set of Audiobytes w/sub & think they are great. I found another set without a sub on e-bay. I called Axiom to order a sub & was told the new Audiobyte sub would not work but I could use an EP125. I really don't need a powered sub. Any thoughts?

Axiom Epic 80 500 QS8s
Carver TFM-55 TFM-45 TFM-35
Rotel RSP 1068
Audiobytes/W amp & sub
M22s Ep125