The ultimate does-it-all octave pedal effect Instrument switch — optimizes the OC-5 for guitar or bass Vintage setting — a spot-on re-creation of the classic BOSS OC-2 mono octaver Poly setting — adds bass notes to power chords and open chords, which can be reined in using the Range control Octave-up control unlocks 12-string textures and classic rock screaming leads Direct Out runs a parallel dry signal to a stage amp or front of house Enhanced tracking engine produces ultra-low-latency note tracking 55-milliamp draw —can be powered by a 9-volt or standard pedal power supply Quality buffered bypass adds reach to your cable runs