Well, you can get into crazy pricing once you consider that you can't get away with just one EP800, you must get them in pairs.

I cheated and picked up the smaller EP500's that only really go down to 18hz.

Anthem: AVM60, Fosi DAC-Q5
Axiom: ADA1500, LFR1100 Actiive, QS8, EP500, M3, M3comp, M5