Donny,

There are three pedal inputs on the Pa800 (and on the Pa2X which is identical in regards to pedals AFAIK);

1) "Damper" input: For connecting a foot switch pedal. This pedal will always work as a sustain pedal.

2) "Assignable" input: For connecting an expression pedal OR a foot switch pedal. If you connect a foot switch pedal you can assign the same functions as with the EC5 pedal - including vocal harmony and damper. This is the one to use if you only want to take one single pedal with you.

3) "EC5" input: For connecting the Korg EC5 pedal with 5 assignable switches.

Kind regards,
Tommy