JOYO R-13 XVI Polyphonic Octave Guitar Effect Pedal

The pedal features controls for mixing Sub Octave Control, Up Octave Control to adjust pitch. Dry control increases the input dry volume. Modulation Control to unleash the organ tones. LED Effect indicator will turn on when the foot-switch & pedal are active. The ambient LED lights can be toggled from a switch on the rear of the pedal.3 modes of lighting are available to adjust when the ambient lighting comes on.