Interesting specs in that the freq response is at - 5 db not - 3 or - 10.
At least with a graph you can determine what the -3 or -10dB points are.
Now whether that graph is processed or not (it has to be on the infra mode) is another question.
Seeing a processed graph is pretty much worthless, unless you ALSO see the processing applied to get that graph.
I do like the way EAW did things on some models. They show the unprocessed (The only really useful graph in my opinion), the processing curve and the final/processed graph.
That way you have something useful to determine if the product might be right for you.
The PROBLEM with a processed graph, is that in many cases there is a good sized boost added to the low end of the subs.
When that happens, they are NO LONGER applying 1 watt or 2.83V at those freq.
So whatever boost has been added-that same amount of dB MUST be taken AWAY from the maximum output ratings-at those freq. Because the levels will not "scale" up
Lets say a speaker has a rated sensitivity of 100dB and a power capacity of 1000 watts. Since 1000 watts is a 30 dB increase-the maximum level will be 130dB.
HOWEVER-if a 10dB boost is added at the low freq, then at those freq, you can only get a 20dB increase in level.
So lets say that 30Hz is -3dB down (with the boost applied). So that is 97dB. Add 20dB to that and you get 117dB-NOT 130dB. BIG difference.
So if you are "expecting" to be able to get 130dB at 30Hz, you will be sadly disappointed after you let out the magic smoke.
It IS important to understand what is going on when looking at specs-they may not always be as you want to "believe" they are.
Simple numbers result in WRONG answers.