Hillside Fire ammoon AP-12 Voodoo Octave Fuzz Effect Guitar Effect Pedal True Bypass Take your tone an octave up and add some fuzz too! Mode: Normal/Mid cut, Mid cut: it will filter the part of intermediate frequency. Fuzz: adjust the degree of distortion of the tone; Octave: control the effect of ottava alta when being in FUZZ effect. True bypass design minimizes tone loss. Aluminum alloy casing with stoving varnish finish. LED indicates working and power statement.