well you may have had no problems with it, but with a quality sub like a w3 you should try running it off a kicker or JL amp, see if there isnt a better sq. or even jbl
blue 95 se MTX
alpine 9805
2 diamond 12" cm3's tuned to 38 hz
4 pioneer 3-ways(POS)
jbl bp1200.1
pimpin hoes, like the river flows..... constantly!