Up for sale we have a Radio Mule High Overdrive Preamp pedal with original box in excellent used condition and perfect working order. Built in Tacoma, WA, USA. The pedal is in great shape with almost no visible signs of use. Fantastic sounding low-gain overdrive preamp inspired by hi-fi and studio preamp designs. Combining internal voltage doubling, asymmetric diode clipping a 2-band active EQ and an active volume control that supplies up to 15db of clean gain; "High" brings new levels of clarity and tone shaping to your pedal board. Features controls for Volume, Bass (+/- 12db), Treble (+/- 12db) and Drive. A Bass EQ toggle that allows you to switch from a low-shelf filter to a bell shaped filter and a bass EQ switch that toggles from 150hz and 300hz cutoff frequency. The treble cutoff switch toggles between 600hz and 1.2 khz cutoff frequency and the Treble control is hard wired as a hi-shelf filter. Powered by 9V center-negative power supply (not included). Will be professionally packed and shipped priority within the continental U.S. Thanks for looking.