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BOSS OC-5 Octave official product page
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Boss OC-5 Octave
Effects pedal · Japan
The Boss OC-5 Octave is a compact octave pedal that adds notes one and two octaves below the input plus a new octave-up tone. A Poly mode tracks full chords while a Vintage mode recreates the monophonic OC-2, and a Guitar/Bass switch and Range control optimize tracking for either instrument.