Fender FS Super Champ X2/XD/Champion – Thomann United States
A simple pedal, the two button footswitch for Fender amps. Schematic in comments. : r/diypedals
Fender FM65 DSP, Super Champ XD, Champion 40, Champion 100, Footswitch, 0071359000 | Parts Is Parts - Guitar Parts, Amplifier Parts, Korg Keyboard Parts