Mission Engineering SP1 Chris Broderick Special Edition LED Expression Pedal
The EP-1 version has a single TRS expression output. the SP-1 version 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 an 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
This SP-1 version with an LED that toggles on and off relative to the switch state.
The EP-1 version is available with an optional spring load which returns always returns the pedal to heel down position. This works well with effect auto-on features such as the Fractal Audio Axe-Fx auto engage.