www.fractalaudio.com/tmp/Axe-Fx_II_Product_Brief.pdf
We also have new firmware for the Axe-Fx and Ultra that incorporate some of the improvements from the Axe-Fx II.
www.fractalaudio.com/Documents/Version11_00/standard11_00.zip
www.fractalaudio.com/Documents/Version11_00/ultra11_00.zip