Is this sub any good its about 1,300$ for one Dual 1 ohm voice coils with a reccomended 7000rms at 2ohms.... anyone ever have one of these? still checking options.... as of right now im thinking ill get 2 15 RE XXX's but if this is a good sub... go with one of em with 2 earthquake ph10000w\2 linked togethor for it.... about 4000$ for it all so i want to kno if its worth it.. im looking for SPL but yet with good SQ .. sorta like SPL from a solo x but with sq as of a W7... i kno its not going to be as clean as the W7 but is it still decent?