Line 6 - The HX Stomp XL processor's Command Center functionality, MIDI capabilities, and external expression pedal jack make it an ideal master controller for your entire setup. Learn more: https://line6.com/hx-stomp-xl/
Amazon.com: Line 6 HX Stomp Multi-Effects Guitar Pedal, Black : Musical Instruments
Amazon.com: Line 6 EX-1 Expression Pedal : Musical Instruments