Spectacularly versatile overdrive. The Electro Harmonix Operation Overlord Overdrive is suited to multiple instruments. Delivering rich stereo overdrive and distortion with an incredibly wide range of sonic characteristics the Operation Overlord features an intuitive set of controls that make it easy to dial in that perfect tone. Operation Overlords Normal mode uses three JFET gain stages to produce a tube amp-style response and tone whilst the Boost mode adds that classic pedal-style overdrive circuit before the JFET stages for even dirtier sound capabilities. The pedals interface consists of a three position switch that lets you select the correct input level for your instrument along with active Treble Mid and Bass controls plus a Dry Blend control for exceptional tone sculpting. Being fully stereo capable the Operation Overlord is a perfect addition to any musicians arsenal regardless of instrument.