Korg Nu:Tekt NTS-1 mkII Programmable Synthesizer Kit

Experience hands-on, fun music-making with this DIY, easy-to-assemble synthesizer and effects generator. NTS-1 mkII has a refreshed interface, more customization options, new keyboard, built-in sequencer, fresh sounds and expanded MIDI.


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Korg Nu:Tekt NTS-1 MK2 Programmable Synthesizer Kit

The compact and incredibly powerful NTS-1 is back with an array of new features as the Korg Nu:Tekt NTS-1 mkII. It’s has a refreshed interface and more customization options than ever before. Boasting a new keyboard, built-in sequencer, fresh sounds, and expanded MIDI capabilities, the NTS-1 mkII packs a gigantic set of features in the palm of your hand.

Powered by an even more powerful processor than its predecessor, the NTS-1 mkII unlocks its full potential. It welcomes a new wave of custom content through its upgraded logueSDK.

New Multitouch keyboard

The NTS-1 mkII boasts a new 18-key multitouch keyboard, substituting the ribbon controller of the first generation. This is perfect for precise playing and sequencing. This upgrade unlocks the ability to send MIDI note messages polyphonically. Now, open the doors to custom oscillators and effects leveraging the paraphonic potential of the NTS-1.

The centre of your performance

In addition to a powerful arpeggiator, the new 8-step sequencer opens a whole new world of musical possibilities. With live and step recording modes (with per-note gate length and velocity settings) available in combination with its new keyboard and easy octave switch, the NTS-1 mkII provides an intuitive and seamless performance experience.

The NTS-1 mkII takes the sting out of forgetting your creative sparks. A new autosave function recalls all the parameters used in your last performance. This includes the step sequencer data, so you can pick up right where you left off. No more struggling to remember knob tweaks and pattern edits!

But that’s not all! NTS-1 mkII has a MIDI OUT output so you can use its internal sequencer to control other gear in your setup.

Powerful new engine, sounds and effects

NTS-1 mkII is an extremely powerful, flexible and fun-to-explore synth. While retaining the versatile features of its predecessor, this new iteration adds an array of new stuff. New sounds, including new oscillator types and modulation possibilities are onboard. Also, using its Audio IN signal as a modulation source to create FM, AM or RING sounds.

The NTS-1 mkII is also an incredibly capable and expandable FX unit. In the mkII, we added many new Modulation (distortion, fuzz…), Delay (tape delay, BPM synced delays…) and Reverb effects. Also, there is a handy oscillator OFF and Filter THRU functions, making it a uniquely versatile piece of gear.

Expanded connectivity with NTS-1 mkII

Integrating the NTS-1 mkII is now easier than ever. In addition to the SYNC IN/OUT and MIDI IN, we’ve added a new MIDI OUT output. This is for seamless connection and expanded performance possibilities with other gear. On top of that, most parameters on NTS-1 mkII have been made MIDI CC compatible for deeper control.

It is also now powered through a new USB-C bus.

NTS-1 mkII DIY fun

The new Korg NTS-1 mkII retains the DIY kit format from the original. Plus, it offers new customization options with reversible anodized silver and metallic black side panels. We’ve kept the same form factor and dimensions as its predecessor. Therefore, custom sides, stands and other custom parts will still fit!

A new and more powerful logueSDK

Powered by a new chip, the Korg Nu:Tekt NTS-1 mkII has expanded processing power, making complex effects and oscillators more possible than ever before.

Customization and 3D data

Thanks to its DIY nature and open design, the NTS-1 mkII is a highly customizable synthesizer that you can modify in several ways. In addition to the open-source logueSDK that allows users to build their own custom oscillators and effects, the hardware of the NTS-1 mkII can also be physically modified cosmetically and functionally.

To help you get started with physical customization, we are providing the necessary schematics and instructions to personalize your NTS-1 mkII in many different ways! The moment you get your hands on this synthesizer you’ll have a variety of tools to help you take your music to the next level.

Free bundle of music software

  • Ozone Elements
  • Skoove
  • Reason Lite
  • Software synths from KORG and other brands.
  • Compact and Incredibly Powerful
  • New Keyboard and Sequencer
  • Expanded MIDI Capabilities
  • Powerful Performance Tools
  • Autosave Function
  • Expanded Connectivity
  • USB-C Powered.
  • DIY Customization
  • Powerful logueSDK
  • Customization and 3D Data
  • Free Bundle of Music Software


Multitouch keyboard

Sound generator system: 1 VCO, 1 Multimode filter, 1 EG, 3 LFO


Input/output jacks:

Headphone / AUDIO OUT jack (3.5 mm stereo mini-phone jack), AUDIO IN jack (3.5 mm stereo mini-phone jack), SYNC OUT jack (3.5 mm TRS mini-phone jack, 3.3V output level), SYNC IN jack (3.5 mm TRS mini-phone jack, 20V maximum input level), MIDI OUT jack (3.5 mm TRS mini-phone jack), MIDI IN jack (3.5 mm TRS mini-phone jack), USB port (Type-C)

Power supply:

USB bus powered

Current consumption:

500 mA or less

Dimensions (W × D × H):

129 × 78 × 39 mm /5.08”×3.07”×1.54”


122 g/4.30 oz

Included items:

USB cable, Assembly Instructions

For more information, please visit the manufacturer's website.