Summary: These subs absolutely rock for the money. I bought a pair of them for my boat last year and I am amazed at how much sound they put out and how hard they hit! I am pushing them with a JL 900/5 marine amp and they take all it can dish out. Definitely a solid choice over some much more pricey options. I have friends that has rockford fosgate system and these blow his away.
Pros: Less expensive than JL option Hit Hard Great sound
Summary: I bought this sub a year ago for my pontoon. I needed a sub that did not have to be in a box to save on space and found this one. I admit, I was not thrilled with the price at first, but I had seen some really good reviews on other websites and felt it was worth a shot. It was fairly easy to install and I have it running mono on a Sony Explode amp.
Conclusion: I installed 2 of these along with an Alpine PDX 1.600M amp in my boat. I can't believe how hard these subs hit. My system sounds amazing. Much thanks to Sonic Electronix for a great product, quick delivery, and a wonderful value. If you want to install a system on your boat, go with these subs.