As a KPA owner you should upgrade your membership to this forum in order to be able to create new threads, if you havn't already done so.
Please use the Login on our Kemper homepage (top right corner)
Logged in you will see the tab 'REGISTER YOUR AMPLIFIER'. You will need the serial number of your KPA, which you can either find on a sticker on the bottom of your unit or alternatively on the last page of the SYSTEM-menu. Yes, the serial number starts with KPA.......