Elevation audio?

[soundstream15]

Came across this website, this sub looks pretty bad ass but hope it's not too good to be true, does anyone have experience with this company or know anything about them.

http://www.elevationaudio.com/shop/index.php?route=product/product&path=59&product_id=51

[Agreene]

looks like one of those vvme ebay woofers

its bad on there part when they don't supply specs on their product on the website