Whether you re pushing your cranked amp into full-blown distortion or just adding some warmth grit and character to your clean sound the Hammertone Overdrive is an essential addition to your rig. This compact drive packs a big punch the pre-gain mid boost adds the perfect edge for cutting through the mix while the pedal board-friendly top-mounted in & out jacks and true bypass footswitch mean it will integrate seamlessly into your rig. Unique Fender®-designed analog overdrive circuit Pre-Gain mid boost Top mount input/output jacks True-bypass switching Powered by 9-Volt battery or center negative AC adaptor (not included)