Footswitch pedal that adds significant functionality to each One Series pedal, offering instant tap-tempo control over the modulation rates of the Vertigo Tremolo, Lunar Phaser, Gemini Chorus, and Mercury Flanger, as well as delay times on the Nemesis Delay, also makes it possible to externally scroll through presets on the Nemesis Delay, toggle between the LA Overdrive, Kingmaker Fuzz and AfterShock Bass Distortion engines or do virtual knob changes on each One Series pedal, it has a standard ¼” outlet for use with compatible third-party products.