The EQ2 Programmable Equalizer is a stereo graphic and parametric equalizer pedal from Source Audio. This tutorial video offers an in-depth look at the basic controls on the face of the pedal as well as many of the slightly hidden features that make this pedal the most powerful and advanced equalizer pedal on the planet.
For more info on the EQ2 visit - https://www.sourceaudio.net/eq2_programmable_equalizer.html