It really depends on the driver being used and its measured characteristics/performance and the overall performance the engineer wants to achieve with the design and parts being used.

To say there are "similarly good" subs compared to Axiom subwoofers that are cheaper or in some cases substantially cheaper is a factual statement. Its not bashing or perpetuating Axiom subs are not good value.

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne