Okko FX DiabloThe DIABLO offers exceptional dynamic qualities and super clear, amp like sounds. Unlike many other overdrives it works perfectly with clean amps. What makes it so special is a set of controls that affecst the "feel" of the pedal, the way how it reacts to your playing. DYN(AMIC) adjusts the internal voltage from about 6 to 18 volts. Increasing the headroom results in less compression, tighter bass and more punch. FEED controls low frequencies in the