Korg monotron DUO

Portable True-analog Ribbon Synthesizer with Dual Oscillators, Cross Modulation, Classic Analog Filter, Internal Speaker, Aux Input, and Headphone Jack
4/5 4 Write review Item ID: monotronDUO
Korg monotron DUO image 1
Korg monotron DUO image 1
$49.99
Sweetwater Savings: $20.01 MSRP: $70.00

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Korg monotron DUO
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This Pocket Synth Sounds Like a Modular Monster from the '70s!

Korg's monotron DUO analog synthesizer is part of Korg's immensely popular mono-line of pint-sized analog synths - they sound huge yet fit in your pocket. The no-frills design gives you two voltage-controlled oscillators (hence the name DUO) and the same voltage-controller filter circuit from the revered Korg MS10 and MS20 synths. You get the thick, syrupy sound only possible with an analog circuit with the Korg monotron DUO.

The real secret weapon in the monotron DUO's sound-shaping arsenal is the X-MOD circuit (cross modulation) with intensity control. X-MOD lets you modulate the first oscillator with the signal from the second oscillator, creating new harmonics and overtones. The result? Metallic screeches, glistening bells, and robotic warbles are all just a knob twist away, and wouldn't be possible with a single-oscillator synth. You also get four modes to help you play the ribbon controller just the way you like: major scale, minor scale, chromatic, and no scale. Factor in the portability provided by battery operation, and you've got an incredible synth powerhouse in the Korg monotron DUO analog synthesizer!

Korg monotron DUO Features:
  • The distinct sound of analog synthesis in a portable unit that's easy and fun to operate
  • Dual oscillators for rich sound creation
  • Analog filter circuit from the Korg MS10 and MS20 synths - sounds warm and gooey, just like an analog filter should!
  • X-MOD knob gives you cross modulation capability for complex sound generation
  • Auxiliary input for filtering external audio signals
  • Built-in speaker for fun on the go
  • Headphone output lets you play silently or send your performance to a recorder
The Korg monotron DUO is a synth-enthusiasts dream come true!

Tech Specs

Sound Engine Type(s) Analog
Polyphony Monophonic
Analog Inputs 1 x 1/8" TRS (Aux)
Analog Outputs 1 x 1/8" TRS (Headphones)
Power Supply 2 x AAA Batteries
Height 1.1"
Width 4.72"
Depth 2.83"
Weight 0.21 lbs.
Manufacturer Part Number MONOTRONDUO

Customer Reviews

4/5
Based on 4 reviews
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5/5

This doesn't need MIDI

Nice analog device that is really low cost but a good build. Ideal for guys like me that prefer to work from banks of samples. I can use this to record into audacity, export wave files, then use my sampler to adjust pitches, stretch sustain, and make music using a variety of samples from this machine. If you're the kind of guy that has to have his keyboard plugin to the device and record it into your daw then master a track, it's not really for you. If you want to do that with this, get sampling software (I use Maschine for this) that allows you to load up a sample and going into pad mode allows you to control the sample as if you were sending midi to the device. Now, since you can't adjust the parameters from the synth in real time, it's going to function like a SoundFont, but if you like to focus more on getting the sound to blend with your other tracks by using it inside your DAW, this is an ideal device. Especially for being only 50 bucks!
Music background: Hobbyist, Student
4.5/5

For your inner synth lover

So, I got this little guy for my birthday. When I first saw it, I realized that it seemed built considerably better than the pictures show. For me, there is no cracks or noteworthy component offsets (example: if the volume knob wasn't very horizontal), aside from the audio jacks, in the plastic, and its a quality plastic as well. Let me just say, this is a huge amount of possibilities at this price point, and these 5 knobs can do a whole lot! With 2 oscillators, this thing is capable of unison with detuning, as well as some extreme pitch modulation with the second oscillator. the filter is extremely fun to play with in real time. I even heard synthetic "voices" when messing with osc2 pitch with some cross mod. the option to switch on and off the output of the second oscillator is a great addition. the built in speaker isn't as horrible as I thought it was going to be, and actually reveals what you are making very well. I also noticed what I believe to be a harmonics locking mechanism, and what I mean by that is it makes it easier to get an FM sound without any detune or movement in the waveform. it seems to know when the sound matches up and becomes a basic waveform. My only small complaints is that there is quiet noise coming out of the speaker and the headphone jack. seems to be more noticeable on headphones than speakers, but on the speakers i couldn't even hear the noise. The second one is that the ribbon controller is a little difficult to use; however, you can still play simple tunes if you keep trying. Also maybe worth mentioning is that it is hard to get a slow detune on the 2 oscillators because of this "harmonics locking feature". This is all nitpicking at this price point. overall, I definitely recommend this to anyone who wants to try hands on synthesis or wants a pocket synth that sounds good. It also makes a great gift for synthesis lovers of all ages. It is relatively easy for anyone to understand how to use it. Although this wouldn't be a good choice for a studio, I Highly recommend this product to satisfy your inner synth lover.
Music background: Home studio producer, Audiophile
4.5/5

I LIKE IT

I LOVE THE SOUND BETTER THAN ANYTHING I EVER HEARRD BUT I WISH IT WAS MADE A LITTE STURDIER THE ALL PLASTIC DESIGHN SCARES ME ESPECIALLY THE SENSITIVE LITTLE BUUTONS THAT I THINK WILL PROBABLY BREAK SOON IN MY GEAR BAG BUT FOR THE PRICE AND THE SOUND YOU GET YOUR MONEYS WORTH
Music background: RECORDING ENGINEER
1.5/5

Needs midi

This thing needs midi, because it's basically unplayable with that tiny ribbon keyboard. I like the simplicity and price, but it's nearly useless. like iphone synth apps.
See also: Korg, Korg Synthesizers