The Duality is a unique fuzz pedal that contains two discrete fuzz circuits—a gated saw-tooth wave and a raunchy high-gain sound—which can be mixed together to yield a vast selection of distinct sonic textures Front featuresLevel Sets the volume of the overdriven signal. Duality Mixes two discrete fuzz circuits. Set it at minimum for a pure gated saw-tooth wave, or crank it up for a tighter high gain fuzz. Dimensions Width: 50 mm /2″ Length: 45 mm/ 1¾″ Height: 100 mm / 4″ Weight: 205 g / 0.45 lb Warning The Duality Fuzz has a current draw of 30 mA. Only use a regulated 9V DC adapter with a center-negative plug. Unregulated power supplies and/or higher voltages may result in suboptimal noise performance and even damage your unit, voiding the warranty.