I have use the EP with my M3 on a stereo system and for a while. It takesome time to adjust the subwoofer to make it "work" good and bleend to your system. But once it's done, EP350 have a nice and well control bass. It suit the M3 very well.

Nad C356 DAC & C515
Axiom M3v3
Grant Fidelity RPF-120 MKII
Analysis Plus Black Oval 12&10
JRiver 19