The Duality from Darkglass Electronics is a fuzz pedal intended for use with electric bass. It combines two discrete fuzz circuits, allowing you to mix a gated sawtooth wave with a grittier, high-gain tone. With this variable combination, you can create a wide variety of fuzzy distortion tones.
A Level knob controls the overall output volume, while a Filter knob dictates the amount of high-end cut you'd wish to introduce into your sound. In addition to the Duality knob, which fine-tunes the blend between the different fuzz circuits, a Blend knob controls the amount of dry signal you'd like to retain in your overall sound. A buffered bypass ensures your tone won't degrade over long or faulty leads. For ecological reasons, the pedal does not run on batteries, but rather, requires a regulated 9V power supply.