The are the best bang for the buck you can get. The people who say they have too much boom and are not fast enough...
Whatever you are smoking, I want some. It is all in how you set it up. Awesome products. What I have found to be a terrible, semi expensive sub that is a ticking time bomb, is the Velodyne SPL-1200 Series II. Stay away from them.The plates only last a few years before detonation. Pay Velodyne another $275, they will "fix" it. Tick, tick, tick...