Conclusion: I have had a few sub from other makers and this one so far has been the best. Best in quality of sound and it has a higher RMS than most. The other ones lasted only a few months and burnt out. Amp settings were correct too. I would recommend JL.
Summary: I originally had the JL 10w1v2-4 for 6 years and it was great. I ended up giving to my sister for her birthday for her car. I wanted something similar so I called in and the customer service rep suggested the v3 of same sub. It was shipped and I received it the next day.
Pros: Crisper sound, deeper bass, sub seems to hit harder.
Summary: Have just bought two of these and have always been a JL audio fan. I received them today, and was very disappointed in how they were shipped. The box that Crutchfield shipped it in was very flemsy and had the speaker boxes falling out of the bottom almost, and half the Crutchfield tape half already...
Summary: Put two of these in a sealed box for my f250 from supercrew sound .5 cu ft per sub paired with a jl 600 watt mono amp Let me tell you these things hit way harder than I expected to bad they are hiding behind my back seat love to watch Em flex am very pleased with the results
Summary: These subs sound great! I replaced a pair of crossfire idb3 10's with these subs. Can tell a big difference in clarity and power. They have really clear deep bass. I have a regular cab truck so they fit easily in a truck box behind the seat. I'm pushing them with a JL audio XD600/1V2 amp.
Pros: Fits in a truck box behind the seat. Really good subs for the money!
Summary: just innstalled two 10'' subs in a sealed b ox .69 cf installed right in between the z bar in the rear of my 07 350z used pdrm 65 alpine amp 650 watts of power, the jls sound great ffantastic listen first beforeyou buy if possible couldnt be happier
Summary: Bought one of these to replace factory Bose sub in my car. It sounds nice if you listen to a lot of talk radio. I added a separate amp to drive this(300 rms) onto factory system. Put it in, with a good chunk of trimming and fab work for a box(.65 ft3) sealed in to stock location.