Behringer UO300 Ultra Octaver Pedal

3-mode Octaver Guitar and Bass Effects Pedal
Write review Item ID: UO300
Behringer UO300 Ultra Octaver Pedal image 1
Behringer UO300 Ultra Octaver Pedal image 1
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Behringer UO300 Ultra Octaver Pedal
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Awesome Octaver Action!

Create classic layered guitar tones with the Behringer Ultra Octaver UO300 guitar and bass effects pedal. At Sweetwater, we dig funky tone machines such as the iconic octaver, and this Behringer UO300 offers this quintessential stompbox effect along with a few tweaks that make it easy to dial in perfectly. For starters, a 3-mode range control with Hi, Mid, and Lo settings lets you define the range of your instrument for optimal performance with guitar or bass. Also, the Ultra Octaver's independent volume controls for both octave voices as well as the unaffected direct signal lets you create the exact effect you're going for.

Behringer Ultra Octaver UO300 Guitar/Bass Effects Pedal Features:
  • 3-mode octaver effect pedal that's ideal for guitar and bass
  • Creates 2 additional tones using your input 1 and 2 octaves below the original tone
  • Dedicated volume controls for all 3 tones offers complete sound mixing
  • Flexible 3-mode Range switch offers perfect bass performance
  • Runs on standard 9V battery or optional power supply for full pedalboard integration
Create killer octave tones with the Behringer Ultra Octaver UO300!

Tech Specs

Pedal Type Octave
Inputs 1 x 1/4"
Outputs 1 x 1/4"
Batteries 1 x 9V
Height 2.125"
Width 2.75"
Depth 4.8"
Weight 0.73 lbs.
Power Supply Included No
Manufacturer Part Number UO300

Customer Reviews

Based on 3 reviews
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Good for the price

I bought this only because I didn't want to save up enough money to get one of the higher-end octave pedals. I figured at such a low price it was worth a shot. So, I bought it with low expectations of what it could do. Summary: For the money I spent I'm pleased with the pedal, it puts out a good tone. Unfortunately because of bad build quality and bad tracking I can only really use it in casual settings or with groups where I don't need to sustain any long tones. Pros: This pedal actually does sound good. It's a good sub-octave growl tone to it. I've messed around with the nobs and found that there's a fair amount of versatility in the sounds you can dial in. It's really easy to get a good sound out of this pedal. Cons: Obviously it's plastic, and feels cheap, but this is expected from Behringer pedals. The main problem I've had with this pedal is the tracking on it. It tracks really well on certain notes, but there are certain notes that it will not sustain. For instance if I'm playing a low G on my D string it tracks well, but if I play an F on the G string it'll start tracking and then the sub octave will disappear and reappear again until the note gets too quiet for the pedal to pick up. This same thing happens on various notes fairly inconsistently. I've also noticed with this problem that different basses have different problem notes. When I play my 1981 Ibanez Roadstar II the pedal struggles to track the notes coming from my passive pickups, whereas if I play my Prestige series Ibanez it tends to track a little better with active pickups but still is inconsistent.
Music background: Army Bands


First off I have nothing against Behringer... I own and love the Behringer SX2442FX Eurodesk for our weekly open mic & i have tried the TO800 and it rocked... That being said, I'm far from an amateur player. I run a nice live open mic and I have 15+ years running a hi-end studio. I plugged this pedal in for 5 mins and was done. NOISE NOISE GARBLE GARBLE & Noise. Its extremely un responsive and when it does produces an octave note it quickly cuts in a few seconds as if it were strongly gated. Low setting did not respond to hardly anything (sounded more like the Low End eq on the amp was cranked "no octave" just Mud), Mid was a cutting in and out mess and High hummmmm. With the Direct knob full on the clean output on my guitar was less than when the pedal was bypassed. When i took the pedal out of the chain my volume raised a good 20% (Kills Tone and dynamics even when bypassed) After watching the demo video on this pedal i thought wow that sounds nice and id love to have it conveniently at my feet to fatten my finger style arrangements . Guess its back to inserting the T.C. M3000 :) Maybe some of these are bad??? I want the one the guy is using in the demo video LOL Billy...
Music background: Multi-Instrumentalist, Sound Tech, Mix Enginer, Producer.

Very Disappointing!

I was looking for a less expensive alternative for the Boss Octaver. A couple guitar player friends of mine have warned me of Behringer pedals being noisy, but as I just needed something to practice with, I thought I could deal with a little noise. Noisy it is, but not just any noise. It comes in When you play. Not only is this pedal noisy, but the octave effect only lasts a couple seconds. Then you hear a fuzz and the octave is gone. It won't hold the note. I have to say this pedal is not even worth the $25 they ask for it. Also on the low setting the octave only works on the low E string of my guitar. The mid setting only works on my middle two strings. If you play any other strings, you get a fuzzy sound and no octave. piece of garbage. I can't even use this to practice. If this is any indication of their pedals, I won't be buying Behringer again.
Music background: music publisher
See also: Harmonizer Pedals, Behringer, Behringer Harmony Processors