Don't be too impressed with that spec.
Some time back, in another galaxy, or was it a audio website

Dr. Hsu posted an analysis of that sub. To deliver 2700 watts, the speaker load had to be .5 Ohms or less

and for not very long time. Its output at the low frequency was not very good at all. Here is a link to his tests and he has two that I saw, not impressive
http://home.comcast.net/~frank_carter/Nousaine.htm