I bought this speaker a little over a year ago.When I first received it, I could not get it to work. The amp was fine. I discovered one set of the terminals were backwards. When i hooked it up right, it sounded pretty good. I had it in the worst box i ever built, as it was my first box. There were also two 8in Pyramid subs in the same box. The ten moved these speakers with ease.A couple of months went by, never had a bit of trouble whit it.Then I purchased two 15in Pyle Dryvers and a 6000 watt amp. Those sp..
I have an audiobahn 10" 600 watt subwoofer that I got for $250, and this subwoofer hooked up to the same amp is a lot louder, because it has more surface area and is a dual voice coil (DVC) subwoofer. I originally thought it would be an okay sub, but it is pretty good. It is higher quality than I had expected, it is very good for the price. I am going to soon buy another.