Seymour Duncan SHAPE SHIFTER Stereo Tremolo Guitar PedalThe Shapeshifter is true bypass stereo pedal that conjures the classic tremolo effects youd expect, but with complete control over the Wave, Shape, Speed, and Depth of your sound. The pedal allows for shape and wave controls, phase control in stereo, and tap tempo with an LED indicator and ratio option. Tweaking those parameters enables you to capture unique sounds other pedals cant. Go from an out of this world phase to a more traditional British