Boss OC-5

Name: OC-5
Brand: Boss
SKU: 339188
Price: 149.00 EUR
Availability: InStock
Rating: 4.45 (11 reviews)

149,00 €VAT incl.

0,90 € Ecotax included

Reference price

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ID : 339188

EAN : 4957054516932

This item is covered for 5 years

Essential Information About the BOSS OC-5 Octave Pedal

Two Complementary Modes: Vintage for the OC-2 grain, Poly for precisely tracked chords
Next-Generation Tracking: natural response, expressive playing, and latency-free feel
Three Octaves Available: +1 Octave-Up, -1 and -2 to thicken, double, or transform your range
Designed for Guitar and Bass: dedicated switch + Direct Out output for clean Wet/Dry routing

OC-5

149,00 €VAT incl.

0,90 € Ecotax included

Reference price

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A Revisited BOSS Legacy: From the OC-2 (1982) to the OC-5

Released in 1982, the OC-2 made history by popularizing the modern mono octaver, with a dense low end and a character immediately recognizable in the mix. The OC-5 follows this lineage by offering a Vintage mode faithful to the OC-2 spirit, while benefiting from more recent detection technology for a more stable attack and a more comfortable playing feel. Alongside, the Poly mode expands the playing field to meet current needs, from modern riffs to more complex harmonizations.

For Which Guitarists and Bassists?

The OC-5 is aimed both at musicians seeking a simple and effective octaver and at more discerning players who want to integrate octave effects into a versatile pedalboard. On guitar, it excels for "12-string" sounds, thickened leads, rock riffs, and more ambient textures. On bass, it allows reinforcement of the fundamental, broadening the low end and creating synth-like lines, both in studio and live settings. Its immediate approach makes it accessible, while its mix and range options encourage experimentation.

Controls, Modes, and Routing: A Pedal Designed for the Field

Dedicated level controls allow quick adjustment of the direct sound and each octave (-1, -2, +1). The VINTAGE / POLY selector adapts the effect's behavior to your playing: thick, classic mono in Vintage, or wider chords and voicings in Poly. In Poly mode, the Range knob (shared with -2 OCT) limits the octaver to low notes, useful for keeping chords clear while adding a foundation underneath, with a Lowest setting targeting only the lowest note. The GUITAR / BASS switch optimizes detection according to the instrument, and the Direct Out output facilitates Wet/Dry setups to two amps or two mixing channels.

Sound

The OC-5 offers a palette ranging from thick vintage mono tones to more open and defined polyphonic textures. In Vintage mode, the lower octave blends naturally and provides a very musical roundness, ideal for thickening a riff or giving a "synth" character to simple lines. In Poly mode, tracking remains precise on chords, with cleaner integration in the upper spectrum. The Octave-Up adds brightness and presence, either alone for a "doubling" effect or combined with lower octaves for massive and modern harmonies.

Technical specifications

Effects	Octaver / Harmony	Use	electric guitar
Format	Pedal	Color	Brown
Type	sector

Bypass	Buffered bypass	Battery	9 V alkaline (6LR61 or 6LF22)
Modes	VINTAGE / POLY	PSA series AC adapter	sold separately
Detection optimization	GUITAR / BASS switch	Battery life (continuous use, varies depending on conditions)	approximately 7 hours
Switches	GUITAR / BASS, VINTAGE / POLY	Required voltage	9 V
Knobs	DIRECT LEVEL, +1 OCT, -1 OCT, -2 OCT / RANGE	Power consumption	55 mA
Input INPUT	6.35 mm jack	Dimensions	73 (W) x 129 (D) x 59 (H) mm
Output OUTPUT	6.35 mm jack	Included accessories	owner's manual ("SAFE USE OF THE UNIT", "IMPORTANT NOTES" and "INFORMATION"), 9 V alkaline battery (6LR61 or 6LF22)
Output DIRECT OUT	6.35 mm jack	AC adapter	PSA series
Power input	DC IN

Customer reviews

What customers say

Summarized and selected by AI from recent customer reviews

This octave pedal offers vintage and polyphonic modes, praised for excellent sound tracking and versatility on guitar and bass. Customers said it's "essential for live solo mix" and delivers "incredible sound." Most appreciate its solid build and simple operation. Some noted the sound can be synthetic with slight digital latency. Overall highly rated for combining OC-2 vintage tones with modern poly capabilities.

Review highlights

“This little Octaver fulfills all my expectations and truly delivers 'an incredible sound.'”
“Essential for standing out in the solo mix when playing live.”
“Sound recognition is very effective. The pedal is likely to become a reference in this segment.”

Based on 11 reviews

3 stars, 0 reviews
1 star, 0 reviews

Gaëtan.10/11/2022

I had just sold a pedal with the same function but much too complicated (no, I won't mention the brand)... And following a YouTube test by our friend Rabea Massaad on this fabulous BOSS OC-5, I ordered, received, tested and directly on my pedalboard.

Frankly not disappointed, this little Octaver perfectly fulfilled all my expectations and really gave “a crazy sound”. Whether in clear, in overdrive or in big “nasty” distortion, only good, very good even... very easy to use, 4 knobs, a Bass or Guitar switch on the back of the pedal, a small switch to switch from “vintage” mode (clearly faithful to the BOSS OC-2 - a reference) to “Polyphonic” mode...

A massacre. So if you want to “increase” your sound, or apply low or high octaves to it, or even on certain positions Low octaves for bass and high octaves for treble strings, go for it, you won't be disappointed.
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GUY A.28/06/2022

I am a bass player, it's my 5th octaver. Having had the OC-2, I have a preference for the OC-5: the tracking seems to have been improved. The “Poly” function is interesting but chord detection is not easy. With the Octave +1 button you can get a kind of clavinet or organ sound. In “Vintage” mode, this well-balanced Octave +1 button adds interesting harmonics coupled with Octave -1.
Octave -2 is more difficult to manage (a question of taste, setting and use in the long run).
Compared to some other octavers currently on the market that I have been able to test, there is not this kind of unpleasant digital micro latency on the OC-5, especially with the higher octave (Oct+1).
Compared to another “DELUXE blue” octaver, a kind of copy of the OC-2, displayed at the same price, there is really no photo both in terms of tracking and possibilities!
And as usual, he's tough, boss.
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Ghislaine30/12/2022

I tested the OC-5 on guitar and bass. Sound recognition is very effective. Like the models in the Wazacraft range, the pedal allows you to switch from vintage to polyphonic mode, which gives it a certain versatility.

As is often the case, Boss offers here a pedal that is undoubtedly intended to be a reference in this segment.
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Client04/05/2022

What a chance to find this rarity! ?
I did not know the previous versions so I would not make any comparisons.
Reliable, solid gear... it's Boss.
Allow some time to apprehend the creature...
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Céline c.06/02/2026

Essential for getting out of the mix solo when you're on Live.
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Questions frequently asked

Does the Boss OC-5 work with a bass?

The GUITAR / BASS selector adapts the tracking to the type of instrument, allowing use with electric guitar or bass.

What is the difference between Vintage and Poly modes?

Vintage mode provides mono behavior for the lower octave, inspired by the 1982 OC-2. Poly mode is designed for chord and wider voicing tracking. The levels for dry sound, -1 octave, -2 octaves, and +1 octave can be adjusted separately.

Does the OC-5 allow clear chords with a low octave?

In Poly mode, the Range setting limits the octaver's effect to low notes. The Lowest function can target only the lowest note of a chord.

How to connect the pedal in wet/dry to two amplifiers?

The DIRECT OUT output with a 6.35 mm jack sends the dry signal to a second amplifier or another mixing channel, while the OUTPUT sends the processed signal.

What power supply is required for this Boss pedal?

Powered by a 9 V PSA series adapter sold separately or by battery, it consumes 55 mA and offers about 7 hours of battery life depending on usage conditions.