Electro Harmonix Ripped Speaker Fuzz, Effect Pedal for Electric Guitar & Bass, Fuzz, Low fuzz settings emulate vintage lo-fi distortion sounds like those produced by using a razor blade on a speaker cone, a loose tube or a broken channel on a recording console, High fuzz settings result in a modern, cutting, fully saturated fuzz sound, Controls: Vol, Tone, Rip, Fuzz, LED: Effect On, Footswitch: Effect Bypass, Input: 6.3 mm jack, Output: 6.3 mm jack, Power supply connection: Barrel conenctor5.5 x 2.1 mm, negative polarity inside, Power consumption: 10 mA, Power supply via 9 V battery or 9 V DC power supply unit (suitable power supply unit art.#409939# - not included in delivery), Dimensions (W x D x H): 70 x 114 x 53 mm