Arturia MicroBrute Analog Synthesizer

25-mini-key Monophonic Analog Synthesizer with 3-waveform VCO, Overtone Generator, Steiner-parker Filter, Step Sequencer, and Modulation Matrix
Arturia MicroBrute Analog Synthesizer image 1
Arturia MicroBrute Analog Synthesizer image 1
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Arturia MicroBrute Analog Synthesizer
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Honey, I Shrunk the Brute

The Arturia MicroBrute Analog Synthesizer may be minuscule, but it delivers a staggering range of sonic possibilities. The MicroBrute features a single VCO with three waveforms you can mix at will, three waveshapers, an overtone generator, a classic Steiner-Parker filter, and Arturia's infamous Brute Factor. You also get a step sequencer and a Mod Matrix that gives you tons of modulation options and connectivity with other synths. This is real-deal, hands-on, semi-modular mono synth mojo at an unbeatable price! With all this going for it, the Arturia MicroBrute makes an ideal first synth.

Arturia MicroBrute Analog Synthesizer at a Glance:
  • The biggest-sounding single-oscillator synth you're likely to hear
  • Steiner-Parker filter delivers a huge range of sonic possibilities
  • Step sequencer: a source of fresh ideas and endless inspiration
  • Mod matrix gives you semi-modular flexibility
The biggest-sounding single-oscillator synth, you're likely to hear

At the heart of MicroBrute is its voltage-controlled oscillator. With three mixable waveforms, you can creatively shape your sound in countless ways. Along with the Saw, Triangle and Square waves, MicroBrute gives you waveshapers - Ultrasaw, Pulse Width, Metalizer - that modify and animate the sound, for an incredibly broad palette of sonic possibilities. There's also a new Overtone generator that delivers additional harmonics, from one octave down to a fifth above your base pitch. Plus, there's a Sub>5th control that lets you continuously sweep the spectrum. It all adds up to the biggest-sounding single-oscillator synth you're likely to hear.

Steiner-Parker filter delivers a huge range of sonic possibilities

A Steiner-Parker filter is onboard to help give the MicroBrute its unique sound. First used on the classic Synthacon synthesizer in the 1970s, this diode ladder filter gives you lowpass, bandpass and highpass modes that deliver a staggering range of sonic possibilities. If you want to craft behemoth basses and snarling leads, you've found your axe.

Step sequencer: a source of fresh ideas and endless inspiration

The MicroBrute's step sequencer is a compositional tool that will open up new creative avenues. Step-input notes and rests to easily build interesting rhythmic patterns, then transpose your sequences up and down using the keyboard. Let your sequences run while you tweak your sounds in real-time. A well-implemented step sequencer (and this one is) is a source of fresh ideas and endless inspiration!

Mod matrix gives you semi-modular flexibility

A patchable modulation matrix on a synth at this price? You bet! The MicroBrute's Mod Matrix is a flexible system of CV routing that gives you new ways of modulating internal sounds, as well as excellent interfacing with other synths. If you're looking for an affordable first analog synth you won't outgrow, the MicroBrute is a perfect choice.

Arturia MicroBrute Analog Synthesizer Features:
  • 100% analog signal path, amazing flexibility, incredibly affordable!
  • 3-waveform voltage-controlled oscillator with Saw, Triangle and Square waves
  • Waveshapers modify and animate your sounds, for a broad palette of sonic possibilities
  • Overtone generator delivers additional harmonics, from one octave down to a fifth up
  • Oscillator waveshapers: Ultrasaw, Pulse Width, Metalizer
  • Steiner-Parker filter gives the MicroBrute a unique sound
  • Arturia's infamous Brute Factor lets you dial in dangerous distortion
  • Step Sequencer is a source of fresh ideas and endless inspiration
  • Modulation Matrix gives you semi-modular flexibility
  • 25 mini-key velocity-sensitive keybed
The Arturia MicroBrute makes an ideal first synth!

Additional Media

MicroBrute Analog Synthesizer User Manual

Tech Specs

Sound Engine Type(s) Analog
Number of Keys 25
Type of Keys Mini-key, velocity-sensitive
Other Controllers Pitchbend, Mod Wheel
Polyphony Monophonic
Number of Presets 3 x Oscillator Waveforms (Sawtooth, Triangle, Square)
Number of Effects 1
Effects Types Analog Distortion (Brute Factor)
Arpeggiator Yes (Step Sequencer)
Sequencer 8 sequences, 64-steps
Audio Inputs 1 x 1/4"
Audio Outputs 1 x 1/4" (line out), 1 x 1/8" (headphones)
USB 1 x Type B
Other I/O CV Gate I/O, Mod Matrix
Power Supply 12V DC power supply
Height 2.4"
Width 12.8"
Depth 8.7"
Weight 3.9 lbs.
Manufacturer Part Number 540101

Customer Reviews

Based on 19 reviews
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Exactly what I was looking for

This is small but it sounds HUGE! It's no toy either( no built in speakers and no batteries-AWESOME!) If you want to add an analog synth to your musical arsenal, this is it! It's affordable, easy to use, has a small foot print and can be easily built upon (CV ins and outs to go to other synths/modules) it's simply amazing! I had tried a Korg MS-20 mini and Minilogue but both had an obnoxious learning curve (because I'm a guitar player). However, The Microbrute gives you immediate gratification but as you dig deeper you find that the possibilities are endless....just buy it already!
Music background: Composer at-home recording

Awesome sound/features alone, even better in a modular rig!

I've been a guitarist/bassist for 19 years who used to play punk/metal/ska... but when I first heard The Prodigy about 16 years ago, I got addicted to electronic music, especially the darker, heavier industrial sounding stuff. I couldn't (and can still barely) play keyboard, but I fell in love with rhe Roland JP-8000 at a local music store as a teenager, and spent hours tinkering with it every time I went there. Even goofing around with single notes, I made some cool noises and loved playing with the knobs and sliders to make new sounds, but alas, I couldn't afford one, so I settled for a MicroSoft instead. It's a great synth with some great sounds, but it was lacking the hands-on feel with single function sliders and knobs, with menu knobs to select different parameters like filter cutoff, resonance, etc. I got bored just using the presets and being confused about finding the right way to sculpt sounds, and didn't really learn or understand the basics of synthesis. I gave up on synths for many years. I learned about the WMD Geiger Counter (bit-crushed/down-sampler) and wanted one for my guitar, but didn't want a pedal, and the Eurorack format looked neat and tidy, so I could get a case/power supply and rack-mount it (I have severe OCD). I took the plunge into modular synths and started to aquire new modules to do all kinds of neat things, but I wanted to get away from just a guitar FX unit, and back in to synths, but I needed some way to trigger and play it. I couldn't afford a MIDI to pitch/gate converter and a keyboard and other things like ADSR, Oscillator, LFO, etc. Then the MicroBrute came out. It had CV in/out for pitch and gate, envelopes, envelope, and all kinds of ways to intermingle with my Eurorack modular setup, all for about the price of a MIDI/CV converter alone. Also, it is all brutal yet beautiful,, rich analog sound. Stand-alone it is fun, hands on, and amazing. Seamlessly incorporating it with my modular setup, it makes it and the modules exponentially more versatile, unique and a blast to patch, tweak, and spend countless hours exploring endless possibilities. Also, the simple, intuitive design quickly taught me the fundamentals of synthesis, as well as advanced patching, and new ways to create unheard of sounds. Thsnks to the MicroBrute, I have tons of knobs and sliders, reminisent of the JP-8000's controls I Spent hours playing with and lusting over. Compact, well laid out, sturdy construction, and killer-sounding, I could go on for a while. Now I can create the types of music I had only dreamed of before. The MicroBrute is pretty much the centerpiece of my synth rig, and home studio in general. Even with limited keyboard-playing ability, I can whip out sweet-sounding music easily and creatively. Hands-down, best $299 I've ever spent. Thank you so much Arturia, and thanks again Sweetwater for another awesome purchasing experience. (The free shipping and candy is icing on the cak!e):-)
Music background: Guitar/Bass/ amature keyboardist and song-writer/recording


This is A LOT of synth for the price, and it's no slouch in the sound department either. You can coax almost anything you can imagine out of this thing. I get lost in sound for hours just twiddling the knobs. The build is super solid and it can interface with lots of other gear. My only wish is that it had a noise wave like it's bigger brother. I like to use that for snare sounds. Other than that, I really want for nothing with this thing! Oh and the manual is really fantastic as well! An excellent piece of gear!


I Bought this synth a few months ago this is my first analog synth. the more i play with it the more i like it i would of written this review back in May 2015 but i was to busy playing with it


The beastial noises that howl from this tiny thing!!! Highly recommended. Be warned though ... Highly addicting too. Hours evaporate as I concoct new sounds with this analog powerhouse. I love the fact that there is no "menu diving" because there are no menus!!! What you see up top is what you get. As usual, Sweetwater service was top notch. Will be in touch with them down the road for sure to add some beats and more to the MicroBrute, as it has modular capabilities.
Music background: Lifelong music fan ... Amateur hobbyist.

Sweetwater Advice

Dan Robinson

As a musician, there are times when I'm more interested in making music than I am in tweaking knobs. The MicroBrute is the perfect synth for nailing some of those great, warm analog synth sounds while being straightforward enough to get right to working on the song. The all-analog signal path with tons of variations on basic oscillator shapes plus the incredibly innovative filter let me get anywhere from a simple lead to incredibly dirty, out of control tones, plus the mod matrix lets me tie it in with other analog gear.

Kingsley Davis

The first thing I noticed about the Korg MicroBrute is how intuitive it is. Hands-on controls and a straightforward layout make everything accessible, so I could dive right in. It's perfect for any synth novice, while the Mod Matrix provides the CV routing I need to create complex patches. This 25-key synth may only have a single VCO, but the sound I can get from it is far from "micro!
See also: Arturia, Arturia Synths / Modules