Answers: they are pretty good subs. In my view mtx subs are good especially contained by a sledgehammer box. I have hear good things going on for jl audio but they are overpriced.
the best? no, by far.
Try
JL
Planet Audio
MTX
Kickers
In my opinion, I would read aloud those are the best four followed by many more since you even get to rockford folsgate.
Update: Truck Audio Master
I mull over you missed the part that said "MY OPINION"
Lol, far from it....and far from what the other guy said. I would read aloud FI, RE, JL....these are some of the better ones. If you want pure sound pressure level (SPL) and no sound power, kicker are good.
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