If you want to control an expression input on a stompbox with something a little more exact and compact, the Electro Harmonics Cntl Knob is tailor-made for that task. This is a compact stompbox that lets you toggle between two positions on a variable effect using a simple footswitch.
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\r\nUse the pedal if you're trying to save space on your pedalboard, or if you're a fan of cocked-wah sounds, or very specific points on your modulation effects. The pedal also features a button that reverses polarity, making it compatible with more effects pedals. a 1/4' TRS cable is included.