His website is jacked up... can't find info on Camplifiers... just site errors...
I had a lot of problems also.
Try this link.
Camplifier SHP
This is our flag ship amplifier add on module for the KPA. The 2x140W stereo + 1x280W mono Camplifier SHP can handle even the loudest band on a large open air…
shop.ritteramps.de