Behringer Ultra Octaver UO300
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- This item is covered for 3 years
Essential Information About the UO100 Octave Pedal
Essential Information About the UO100 Octave Pedal
- Two selectable lower octaves: adds one octave and/or two octaves below your signal to instantly thicken guitar or bass.
- Ultra-simple and precise mix: three independent volumes (Direct, Oct 1, Oct 2) to exactly balance the sub-octave portion.
- 3 tracking modes: RANGE selector (HI / MID / LOW) to optimize tracking according to the register (guitar, bass, keyboards).
- Silent switching: electronic On/Off switch and ON/BATT LED for effect status and battery monitoring.
Manufacturer Information
Behringer
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A "classic" octave pedal for bass frequencies that fill the mix
"One down / two down" octave pedals are among the most effective effects for creating the illusion of a wider, heavier instrument, even a "synth bass" vibe. The UO100 fits into this tradition: a straightforward approach designed to deliver solid low fundamentals while keeping quick adjustments easy on stage or in the studio. Its frequency range selector helps adapt detection to different attacks and registers, making all the difference when switching from guitar to bass.
Who is the UO100 for, and in which styles does it make a difference?
The UO100 is aimed at guitarists and bassists who want to thicken a riff, create bass-like lines on guitar, or add a massive foundation to a duo/trio without a second instrument. In rock, metal, and stoner genres, it reinforces unisons and power lines; in funk and pop, it adds a denser low-midrange for hooks; in ambient and experimental music, it becomes a source of deep textures when combined with delay or reverb.
Like most bass octave pedals, it performs best on single notes and clean playing (clear attack, controlled palm-muting). For full chords, the effect can become less predictable: ideally, use it as an additional voice layer rather than a polyphonic harmonizer.
Technical specifications
| Effects | Octaver / Harmony | Use | electric guitar |
| Format | Pedal | Color | White |
| Type | sector | ||
Customer reviews
Based on 3 reviews
- 5 stars, 0 reviews
- 4 stars, 0 reviews
- 3 stars, 1 review
- 2 stars, 1 review
- 1 star, 1 review
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Medium octaver, loud noise and strong breath.
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Unfortunately, pedal sent back to Woodbrass. of the parasite in the sound (although battery powered). On guitar, the 3 highest strings are not “caught” by the pedal, and on bass, the sound is too distorted to be usable (even with headphones if the HP has an insufficient diameter).
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This octaver U0300 produces a parasitic snoring sound that makes it unusable.
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Questions frequently asked
What power supply should be used with the Behringer Ultra Octaver UO300?
The required power supply is 9 V DC with a negative center, consuming 30 mA; the power adapter is not included.
Can it generate two lower octaves?
The OCT 1 and OCT 2 settings add signals at -1 octave and -2 octaves respectively. The level of each octave is adjusted independently from the direct signal.
Does the tracking work with chords?
Tracking is especially suited for single notes and clear attacks. On full chords, the behavior can become more unpredictable. The RANGE switch with HI, MID, or LOW positions allows adapting detection to the played register.
What controls are available on this octave pedal?
Three knob controls adjust the levels for DIRECT, OCT 1, and OCT 2. A RANGE selector offers HI, MID, and LOW positions.
Is this pedal suitable for bass?
Its RANGE selector helps adapt tracking when switching from guitar to bass. With dimensions of 123 x 70 x 54 mm and a weight of 0.33 kg, the format remains compact for a pedalboard.



