AMT O2, Effect Pedal for Electric Guitar, Legend Amps Series, Analogue emulation of the Orange sound, True bypass, Controls for level, master volume, gain, low, mid and high, 3 Outputs: Drive Out - connection to the clean channel of an amplifier, preamp out - direct connection to a guitar power amplifier, Cab.Sim. Out - direct connection to a mixer, Power supply via 9V battery or 9V DC power supply unit (coaxial connection - negative inside, not included - suitable power supply available under article nr #409939#)