Quote Originally Posted by Allstar1.8T
From what I have heard, and the enclosures I have heard them in;
W7=boom,(SPL) lots of it too
L7= more balanced, less "SPL"
Diamond Audio= Discriminating SQ ear, still very loud...same price point

pretty accurate...

a w7 ported ....booooooooom
a w7 sealed pretty well balanced

an L7.... chinese made...they go boom in a literal sense

Diamond...just what greg said... awsome subs and the price point is about equal...