Great octave pedal and very customizable with the Octave Filter and Clean Tone knobs. I have owned this for a few years. Normal wear and tear but otherwise in great condition. $115 shipped to CONUS. Every bass player wants deep, organic tone. The Octamizer® creates a wide range of musical sounds an octave below your original note. The Octamizer® features independent volume controls for both the Clean and Octave sounds, so dialing in the exact amount of each is a cinch. The two discrete signal paths also have their own tone controls that were specifically designed to enhance and expand their musical possibilities. The CLEAN TONE control uses a full spectrum tilt EQ, allowing for the boosting of treble while cutting bass or boosting of bass while cutting treble. This unique circuit allows you to create a clean sound that creates an octave doubling effect or to blend the sounds together for a great thick, snarky synth tone. The Octamizer’s OCTAVE FILTER control is a multi-pole low-pass Filter that lets you shape the octave sound from smooth and deep to edgy and aggressive. • Proprietary detector circuit for superior tracking • Dual Filter Architecture • Full Spectrum Tilt EQ for Clean sound • Continuously variable multipole low-pass Filter for Octave sound • Gig-saver bypass (signal passes even if your battery dies) • Powered by one nine volt battery or optional universal power supply • Heavy Duty steel construction • Inputs: One 1/4″ jack • Outputs: One 1/4″ jack • Controls: Engage switch • Warranty: Three year limited • Optional: 9 volt power supply