In the past, Outlaw subs always sounded more musical than their SVS counterparts like the PC12. Not so to my ear anymore with the newer SVS subs. I also appreciate how SVS subs are virtually indestructible with the new amplifiers. I've managed to bottom out HSU, Outlaw, and others, but not the newer SVS subs. They do sacrifice a hair in output in order to pull this off, but I'm fine with this conservative approach. Rythmik also prove difficult to bottom out with their Servo and robust drivers and sound fabulous. I don't have any experience with the newer PSA subs so can't comment.