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Boss OC-5 Guitar & Bass Octave Pedal

Featuring Vintage/Polyphonic Modes, Lightning-Fast Tracking & Guitar/Bass Switch!



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    Product Description

    Japanese guitar pedal giant BOSS are constantly refining their effects formulas to meet the demands of modern players. The OC-5 is their latest octave stompbox creation, merging classic pitch-shifting tones with enhanced tracking technologies to set a new standard in octave pedal performance.

    Key appointments include vintage/polyphonic modes, providing legendary OC-2 sounds and chord-friendly effects, along with the addition of an octave-up feature for a total span of 3 octaves. Let your creativity flow with the BOSS OC-5 - one of the most versatile compact octave pedals on the market!

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    Lightning-Fast Tracking

    A newly-designed tracking engine gives the BOSS OC-5 incredible processing performance, ensuring zero latency, sublime accuracy and phenomenal expression. It also offers a wider range and improved polyphonic capabilities than previous OC models, covering all of your octave needs.

    Vintage OC-2 Sounds

    Released in 1982, the BOSS OC-2 was the world's first modern octave pedal for guitar and bass. Adored for its warm yet articulate tone, the OC-2 has been used on countless records by some of the best in the business. With the BOSS OC-5, you can recapture the OC-2's iconic mono voice via the 'Vintage' mode - enhanced with the new tracking engine for a super-fast response.

    Improved Polyphonic Performance

    BOSS' OC-5 also boasts an updated version of the smart 'Poly' mode that first featured on the OC-3 Super Octave pedal. This allows you to play full chords with breathtaking octave effects!

    The variable 'Range' control is a clever appointment, as it restricts the effect to just the lower notes on your instrument - ideal for playing octave-affected bass lines with normal chords and melodies in the higher register. With the new tracking refinements, you can even isolate the octave effect to just the bottom note in a chord - simply turn the 'Range' knob to the "lowest" setting.

    Octave Up!

    Another noteworthy update for the OC-5 is the new octave-up feature, which can be engaged for both the 'Vintage' and 'Poly' modes. Bring in this sweet effect by turning the dedicated '+1 OCT' knob. You can even use the octave-up sound on its own, which is perfect for achieving 12-string-esque sounds. Alternatively, you could blend this with the '-1 OCT' and '-2 OCT' sub-octave effects for fat organ-like tones!

    Guitar/Bass Switch & Direct Out

    A switch at the back of the OC-5's enclosure allows you to optimise its tracking performance for either guitar or bass. And a 'Direct Out' jack also makes it easy to route dry and effect signals to different sound sources, such as two amplifiers or discrete channels on a mixer/audio interface!

    Key Features

    • The industry-standard octave pedal, updated with enhanced features 
    • Newly developed tracking technology provides more accurate response and natural feel with no latency
    • Vintage mode faithfully reproduces the mono sound of the original OC-2
    • Poly mode for chord playing; Range knob sets the note range where the effect is applied
    • Lowest Range setting in Poly mode applies the octave effect to only the lowest note in a chord  
    • New octave-up effect, available on its own or blended with octave-down effects
    • Mode switch optimizes the tracking engine for guitar or bass
    • Direct out for wet/dry setups
    • BOSS five-year warranty  


    • Nominal Input Level: -20 dBu
    • Input Impedance: 1 M ohm
    • Nominal Output Level: -20 dBu
    • Output Impedance: 1 k ohm
    • Recommended Load Impedance: 10 k ohms or greater
    • Bypass: Buffered
    • Indicator: Check indicator (serves also as battery check indicator) 


    • Pedal switch
    • GUITAR/BASS switch
    • VINTAGE/POLY switch
    • DIRECT LEVEL knob
    • +1OCT knob
    • -1OCT knob
    • -2OCT/RANGE knob


    • INPUT jack: 1/4-inch phone type
    • OUTPUT jack: 1/4-inch phone type
    • DIRECT OUT jack: 1/4-inch phone type
    • DC IN jack


    • Alkaline battery (9 V, 6LR61 or 6LF22)
    • AC adaptor (PSA series: sold separately)
    • Current Draw: 55 mA


    • 73 (W) x 129 (D) x 59 (H) mm
    • 2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches


    • 440g
    • 1lb


    • Owner's Manual
    • Leaflet
    • Alkaline battery (9 V, 6LR61 or 6LF22)
    Elliot Stent author picture

    Written by Elliot Stent

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    Customer Reviews


    22 reviews





    Trusted Customer9th Apr 2022

    As fun as I expected! Superb tracking. Inspires me to play differently. Great with fuzz or a vibe for funky clean jazzy business...

    Value 3Looks 4Durability 5Sound 5

    Trusted Customer9th Apr 2022

    Value 5Looks 5Durability 5Sound 5

    Trusted Customer9th Apr 2022

    Value 5Looks 5Durability 5Sound 5

    Trusted Customer6th Apr 2022

    Does the classic OC-2 things brilliantly. Tracking is good, but can be beaten. Not a convincing 12 string sound though, but still worth it for the meaty octave sounds.

    Value 5Looks 5Durability 5Sound 5

    Mr. John Luxford26th Mar 2021

    Adam20th Mar 2021

    Value 4Looks 3Durability 4Sound 4

    Brian Arthur9th Mar 2021

    Good piece of kit, but I'm back to my OC-3. The OC-5's 'lowest note only' function triggers some treble notes when I try to do some subtle fingerpicking.

    Value 3Sound 4

    Trusted Customer12th Feb 2021

    Value 4Looks 4Durability 5Sound 5

    Trusted Customer12th Feb 2021

    Usual tankproof Boss construction and incredibly versatile. And yes, it does do *that* sound

    Value 5Looks 5Durability 5Sound 5

    Trusted Customer10th Feb 2021

    Value 4Looks 2Durability 5Sound 5

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