I am a current M2 owner and previous 4722N owner. While I think the M2 is a superior overall speaker, the 4722N provide lots of mid-bass and are a way way way better bargain than the M2. At 20% of the price, you get 80% of the performance of the M2 (I know that is random math...just trying to create an analogy). If you upgrade the compression driver in the 4722N (which many have done including myself when I owned them), it might be closer to 90% of the performance.I'm sure this question has come up, but i haven't been able to find it... How does the M2 midbass performance compare to the 4722n? Seems like the 4722n with two 15" has the edge? or is the technology in the M2 just so superior, it's no contest? Seems like sheer physics of two 15" is hard to beat?