Strong subs but surround gives up
I have 4 of these in my powerboat and for the money, they're really hard to beat. After a few years, it seems the surround delaminates from the cone. But hey, at just over $125 a pop, I can replace one every few years. I pump the power to these things and they sound great.
Pros: Strong bass and good cone excursion. Water resistant design. Relatively inexpensive.
Cons: Don't stand up to punishment like the higher dollar units, but who's to say that the more expensive ones would hold up any better in boating conditions.