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
- 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