diamond audio d3 vs jl audio w3?

Gotcha ern, since the box is made by subthump I'll assume that it is built and supported to host a competition level 10". My old Alpine MRD-500 supported up to 8V on the input. I used a phoenix gold line driver and pushed 2 Diamond 10's. (If that helps any) Go for the sub that you can get a good price on. Make sure its the sealed box style and make DOUBLE sure all screws are fastened tight for the downfire app.This is what I do for FUN!

ok so i found another sub i'm interested in the RE audio se 10, would that hit louder than a D3?

D3's are said to optimize in vented enclosure's. RE's may do better in your box. Again, a single 10 point blank is only so much. Quality begins and ends with longevity. Subwoofer brands at this level do not make the differences you are asking. For instance; I had 2-Pioneer IMPP-12" they were 60$ each(back then) Sealed box with 2 ft3(cubic feet) per speaker had 3/4 of a city block bass travel. The kind of sound that made people love rap. 4 months later no foam surround all the way around the cone. Powered by a JBL gtq-400, 200w/spkr @ 4 ohms. MTX electronic X-over. So, I purchased 2 woofers every 4 months for 3 years LOL. God it was nice being young and dumb. I had a point here....I think hah!This is what I do for FUN!