I personaly like the sub but people hear say they dont have good SQ. Ive only heard one being pushed by a RF power 501bd and it slams extremely hard I love it. But thats my opinion.
well square subs have more stess points than normal circle speakers...thats the main reason why they have poorer sq...i don't care for them to much... they do get loud but if your lookin for sq as well...i wouldn't get them...