like Sina said, best is dependant on:
your listening habits
application which the sub is going to be used
power and enclosure limitations
budget

take all of those and then add in personal taste and there you go, the best sub made.


I think I said this already but I'll post it again
my top 3
SPL: Pioneer TSW-5000SPL, DD 9500, RE MT
SQL: 04 RE XXX (havent heard the new one yet), 04 Adire Brahma, W7
SQ: IDMAX, Brax Graphic pro, Alumapro Alchemy