Fender 4-Button Footswitch Mustang III, IV, V | DV247
It's a work in progress. The Fender expression pedal and multi-effect switcher control my Fender Mustang GTX-100 amp—I use the reverb and modulation effects in the amp. Feedback welcome! : r/guitarpedals
Fender GTX-7 Footswitch for Fender Mustang GTX Amps - Andertons Music Co.