Jam Pedals Eureka! Fuzz, Effects Pedal, Fuzz, Combines the singing, dynamic and central germanium-fuzz sound with rough, round muff-style fuzz, A three-way toggle switch gradually increases the bass, Extremely useful for switching between single-coil and humbucker-equipped guitars, Controls: Level, Tone, Gain, Switch: 3-Way bass response, LED: Effect On, Footswitch: Effect Bypass, Connections: Input (6.3 mm jack), Output (6.3 mm jack), Power adapter connection (female connector 5.5 x 2.1 mm, negative pole inside), Power consumption: 8 mA, Power supply via 9 V battery or 9 V DC power supply (not included, matching power supply available under Article Nr. #409939#) True Bypass, Dimensions (W x D x H): 60 x 110 x 30 mm, Weight: 250 g