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  • Korg MONOTRONDUO 0-Key Dual Oscillator Analog Pocket Synthesizer
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Korg MONOTRONDUO 0-Key Dual Oscillator Analog Pocket Synthesizer

by Korg
| 6 answered questions

List Price: $69.99
Price: $40.34 & FREE Shipping. Details
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Only 6 left in stock.
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  • VCO1+VCO2 (Sawtooth) with Pitch Control; VCF with Cutoff and Peak Control
  • X-Mod circuit borrowed from the classic Korg Mono/Poly
  • Ribbon Keyboard with Scale Select: Major, Minor, Chromatic, Off
  • Original MS-20 Filter with aux input
  • Built-in speaker, battery power
32 new from $40.34
$40.34 & FREE Shipping. Details Only 6 left in stock. Sold by FUN ALLIANCE and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Korg MONOTRONDUO 0-Key Dual Oscillator Analog Pocket Synthesizer + Korg Monotron Delay Analog Ribbon Synthesizer + Gakken SX-150 MARK II Analog Synthesizer
Price for all three: $102.12

Buy the selected items together

Product Details

  • Product Dimensions: 6.4 x 1.6 x 9.2 inches ; 6.4 ounces
  • Shipping Weight: 7 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B00684KFFW
  • Item model number: MONOTRONDUO
  • Batteries 2 AAA batteries required.
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (35 customer reviews)
  • Amazon Best Sellers Rank: #2,027 in Musical Instruments (See Top 100 in Musical Instruments)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at Amazon.com: November 15, 2011

Product Description

Dual Oscillator Analog Pocket Synth - Korg's dual-oscillator Monotron DUO fits in your pocket, yet delivers enormous analog sound! Equipped with a built-in speaker and battery operation, Monotron DUO is ready - anytime, anyplace. Best of all, it's a blast to play, with a level of simplicity allowing anyone to enjoy the world of analog synthesizers. Product Block Copy Offering two oscillators, the monotron DUO adds an extra dimension of sound. Tune the oscillators in unison for a rich, thick, analog tone; in intervals for classic soloing sounds and generating new effects. The X-MOD (cross modulation) circuit taken from Korg's classic Mono/Poly can introduce a mild or razor-sharp edge to the overall sound. The monotron DUO's ribbon controller keyboard features a Scale function to select one of four scales: Chromatic, Major, Minor, or Off. Choose the Chromatic scale to play precise pitches as on a piano, or choose Major or Minor to generate musically coherent phrases on the keyboard.

Customer Questions & Answers

Customer Reviews

All in all its a fun little toy.
Corey G
Really Fun, Very Portable, Great Device Korg!
Trevinator110
The dual oscillator makes a huge difference.
Josh Pope

Most Helpful Customer Reviews

16 of 17 people found the following review helpful By J. W. Kennedy VINE VOICE on February 11, 2013
Verified Purchase
I have all three Monotrons, and I think the Duo is the easiest one to play in a traditional "musical" way - but it is also the most predictable & polite (dare I say, boring) of all the 'trons. This one has a tuning circuit that divides the ribbon into discrete note sections - a nice feature from the Monotribe. A tiny button on the back clicks through keyboard modes in this order: Chromatic (default power-on mode), Major (diatonic, white-keys-only), Minor, and Continuous (original Monotron ribbon mode). I wish it defaulted to Continuous mode, but that's just me. My fingers are slightly thicker than a single key section, so in chromatic mode I have to use a stylus (and instead of a vibrato, you get an odd baroque-style trill...) Bear in mind that your tuning is entirely based on the oscillator Pitch setting, so unless you actually tune it to concert pitch, a C on the Duo's printed "keyboard" will not be a C. Nice for transposing; not so nice for spontaneously recording ideas and then trying to figure out what key you were in.

The oscillator sounds like it's a square wave, which gives it an entirely different character from the original Monotron. The Duo comes with a 2nd oscillator, also square wave, with separately adjustable pitch. Between the two Voltage Control Oscillator pitch knobs is something labeled "X-MOD" which uses VCO2 to modulate the pitch of VCO1 (similar to Pitch mode on the original Monotron.) The panel switch lets you select whether the audio output consists of VCO1 alone, or both oscillators together. X-MOD is applied to VCO1 in both modes. You can get some nifty chorus/detune and pseudo-ring-mod effects, as well as tuning the oscillators to various harmonic intervals for those Happy House unison rhythm parts.
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18 of 22 people found the following review helpful By Trevinator110 on March 15, 2012
Verified Purchase
I love everything about this synthesizer. Im known as the one who carries his synth everywhere he goes and its a really great device. As a single instrument you can make some really good sound effects. However it doesnt have enough on it to create a excision or skrillex sound but definetly something like deadmau5 or Mord Fustang is achievable on this. The fact it isnt a midi is something that not everyone likes but i actually prefer to have it with the aux jacks because im an on budget person and have some mild Daw's and Music creator 6 cant really make a electro or dubstep beat. You can run a song through it and play sounds over it and that feature is pretty cool. you can also find some pretty good combo's on this thing and its interesting every time you turn a knob. ALSO get a headphone splitter if you plan to record the sounds because once you plug it into your microphone jack you can hear hat your playing, this way you can hear and record it. Belkin Speaker and Headphone Splitter Overall a really great buy for the beginner and maybe even a professional who would like something to carry around and make sounds on. Really Fun, Very Portable, Great Device Korg!
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4 of 4 people found the following review helpful By John on November 4, 2013
Verified Purchase
Sorry, i can't hear you over all the cool noises i'm making. You can link these to the regular synth and the delay synth with stereo cables (for whatever reason do NOT use mono cables). Great pocket analog fun, get you one if you're thinkin about it.
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4 of 4 people found the following review helpful By Melro on January 14, 2013
Verified Purchase
Great little synth. Two oscillator fun cross modulating. Simple sweeps like licks on the Tube's first album. Want to try external source with the filter.
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2 of 2 people found the following review helpful By samuel townsley on March 22, 2014
Verified Purchase
I recently bought the Monotron Duo. Fun for hours - whether used on its own or as a filter for auxilary audio. The sounds you can get from this little guy are pretty amazing, especially through a decent sound system. I took this on a trip to China a couple weeks ago and it helped keep me sane on long train rides and airport layovers. It was also durable enough to keep from getting broken, what with all the jostling around and baggage checking. I do recommend getting a stylus, though. It becomes more fun and responsive. Now I just need the other two...
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2 of 2 people found the following review helpful By Jeremy on December 19, 2012
Verified Purchase
Oscillations abound in this tiny wonder! The Montron duo is fun and easy to use. A good addition to any musician's repertoire.
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1 of 1 people found the following review helpful By Apple-O on May 30, 2014
Verified Purchase
I never owned an analog synth before -have played with a couple & have a few such apps for iPad & iPhone - but something about the physical / tactile controls + ribbon, the simple design (enough controls to make it flexible & interesting w/o being overwhelming or non-intuitive) and the super portable handheld format makes this totally better than anything I've tried. I put on some headphones and played with this thing for hours, and can't see myself getting bored with it. The ribbon controller is pretty neat for making all sorts of slidy noises and in quantized mode for playing riffs, I may google how to hack in a CV or a MIDI input so I can control it with a larger keyboard or control the various knobs with an expression pedal or Arduino. But everything is laid out pretty nicely that I can tweak knobs while playing and it isn't too difficult. I think I'll be expanding this with the Monotron Delay and others before long, and experimenting with plugging other instruments into the input (a rad feature btw - it basically doubles as an effect pedal!). Well done Korg, you have won a new satisfied customer.
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Korg MONOTRONDUO 0-Key Dual Oscillator Analog Pocket Synthesizer
This item: Korg MONOTRONDUO 0-Key Dual Oscillator Analog Pocket Synthesizer
Price: $49.99
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