Quilter Labs AV200-FC-2 2 Function Aviator, MicroPro or Steelaire Foot Controller AV200-FC-2 2 Function Aviator, MicroPro or Steelaire Foot Controller This two-position footswitch is designed for use with the Quilter Aviator, MicroPro, Mach 2, or Steelaire series amps or heads Choose this controller if you only want to control channel switching and reverb For more advanced options try the Quilter 6-position or 2-position-selectable footswitches This two-position footswitch is designed for use with the Quilter Aviator, MicroPro, Mach 2, or Steelaire series amps or heads Choose this controller if you only want to control channel switching and reverb