Use this foot controller with the MicroPro, and Steelaire series. The Universal Foot Controller allows you to select any of the 6 functions for each of the two buttons. Choose this controller if you want more flexibility in which functions you control. Controls any of two of the following functions: Channel switching, Boost, Limiter, Tremolo, Reverb, and FX Loop. Comes with a 12 Foot Cat 5 Cable.