I recommend you to keep your W6's or if you want to sell it, I might take it... LOL...
IMHO, even W6 sounds better than the type-X even though type-x has way much power than the W6. W6 can handle about 500-600 at the best.
If you want to swap your sub, I recommend you to go with Fi or TC sounds. Want SPL? Get Fi BTL and don't forget to have your health insurance active since you're planning to be deaf...LOL....//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif