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Mission Engineering SP-1 Expression Pedal w/ Toe Switch in White


The Mission Engineering SP-1 was the world's first professional-quality switching expression pedal. Still one of the brand's top-selling products, the SP-1 has two output jacks: one for the expression pedal and one for the switch.

The SP-1 can be used with compatible devices such as digital effects and MIDI controllers to turn effects such as a wah or vibrato on and off at the pedal itself. The SP-1 is compatible with many popular digital amps, effects and MIDI controllers, including:

  • Fractal Audio Systems 
  • Axe-Fx
  • MFC-101
  • AX-8
  • FX-8
  • Voodoo Lab Ground Control Pro


  • Pedal dimensions are 9″ x 4″ x 3″
  • Weight is 3.2lb
  • Potentiometer is 10K Ohm Linear TRS tip to wiper
  • Switch is TRS Latching
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