AMT M-Drive Mini, Effect Pedal for Electric Guitar, Preamp, Reproduces the sound of a legendary British stack top with a master volume from the 80s, With fully analogue circuitry that reproduces the physical sound shaping processes and dynamics of a tube amp, Designed for use in the Clean input of an amplifier, Voice switch for more tonal flexibility, Controls: Gain, Level, Tone, Switch: Voice, LED: Effect On, Footswitch: Effect Bypass, Input: 6.3 mm jack, Output: 6.3 mm jack, Power supply connection: Barrel connector 5.5 x 2.1 mm, negative polarity inside, Power consumption: 4 mA, Power supply with a 9 V battery or a 9-12 V DC mains adapter (not included - suitable mains adapter: Art.#409939#), True Bypass, Dimensions (W x D x H): 55 x 95 x 58 mm, Weight: 200 g, Made in Russia@+*Note:* Battery operation is not supported.