Additional footswitch recommendations

You could use two Boss FS-7 Dual Footswitches, or get something from one of the custom builders on eBay or . Or you can build one - it is a simple circuit. Here is the two footswitch circuit - you could make two boxes, or mount two of these circuits in one box.

The Footswitches are SPST Momentary.

[Blocked Image: http://i762.photobucket.com/albums/xx262/SteveStrummerGB/PeaveyScematicIdea1.jpg~original]

You can use a dual mono TS 1/4" to single Stereo TRS 1/4" cable to connect each FS-6 to one of the Remote Inputs.

[Blocked Image: http://ecx.images-amazon.com/images/I/41E42fFh%2BKL.jpg]

MIDI would have to connect to the back of the KPA, and it would be problematic to find a four button MIDI footswitch with assignable CC outputs.

Another useful bit of knowledge, shared from Kemper or anyone else's experience, is to know the optimal value of a pot for connecting, i.e. 10k linear, etc (that was just a value plucked out of the air as I don't actually have any insight into this myself, as of yet)

Anyway, are you aware you can assign up to 4 fx to each button, regardless their initial state?

Yep, got it

More stomp/effect buttons =>

I think the most usable thing is a midi connection. For those, who are able to do some DIY-Stuff i have a nice project.
There are existing several models of the arduiono chip. I'm trying actually the Arduino Nano (5 EUR). In addition with
a breadboard, some cables, some switches and a midi-plug you can programm it via usb and tell the arduino what
to do when you use a switch. And this todo can be one or more midi CP's or CC's. Even several CC's at once to
control the looper. Also you can use pots for example to intergate a wah-pedal.

Quote from hal2000

I think the most usable thing is a midi connection. For those, who are able to do some DIY-Stuff i have a nice project.
There are existing several models of the arduiono chip. I'm trying actually the Arduino Nano (5 EUR). In addition with
a breadboard, some cables, some switches and a midi-plug you can programm it via usb and tell the arduino what
to do when you use a switch. And this todo can be one or more midi CP's or CC's. Even several CC's at once to
control the looper. Also you can use pots for example to intergate a wah-pedal.

Be interested to see what you have as your Arduino midi controller. For a very cheap cost and a bit of know how, it could be useful as a simple midi controller for some other projects too. Let me know how you get on and what you manage to achieve.

Yes, i think i will need a few weeks and when i'm ready i will post the details for rebuild by interested users.
At the moment i'm able to make program changes with my kemper. And when i'm ready i hope i can most
things the kemper remote does. Except reading out the display and the tuner. But perhaps that can be done too.

My final idea is to integrate this DIY-Remote in my Line6 HD 400. Then i will have a backup guitar modeler if
my kemper fails and i can use the HD 400 as a Kemper remote. I will open a certain thread if i can tell more.