Korg RK-100S 2 RED
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Essential Information About the Korg RK-100S 2 Synthesizer
Essential Information About the Korg RK-100S 2 Synthesizer
- Premium keytar with a wooden body and transparent finish that reveals the grain for a unique stage look.
- 200 live-ready programs, quick access via favorites, and a built-in arpeggiator for impactful solos.
- Two ribbon controllers for expressive performances (pitch, modulation, filter, scales).
- Autonomy and mobility: powered by 6 AA batteries for up to approximately 8 hours, ideal for stage use.
Manufacturer Information
Korg
https://www.korg.com
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Algam SAS
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The Return of a Cult Korg Keytar
The RK-100S 2 marks the revival of an iconic Korg keytar, appreciated for its "guitar" ergonomics, powerful sound engine, and instantly recognizable design. As the heir to the original RK-100, it continues the concept of an instrument worn and played standing up, while enhancing perceived quality with a crafted wooden body and a transparent finish that reveals the grain. Each unit features a unique grain pattern, giving the instrument a strong visual character.
Who Is the RK-100S 2 For?
Designed for keyboardists and producers who want to take center stage, the RK-100S 2 is perfect for solos in pop, electro, funk, synthwave, rock, disco, or for catchy live interventions. Its compact format and 37-note Slimkeys keyboard also make it an excellent option for musicians on the move, rehearsals, and hybrid setups. It can also serve as a master keyboard thanks to MIDI and USB MIDI, to control virtual instruments or external modules.
Technical specifications
| Number of effects | 17 | Split & layer | layer, split |
| Arpeggiator | Yes | Key format | medium |
| Controller | Tactile tape | Sound generator | Analog modeling |
| Filters | Multimode filter | Envelope | ADSR |
| User memories number | 200 | LFO | 1 |
| Max polyphony | 8 | Backup type | USB to device |
| Velocity sensitive | Yes | MIDI I/O | MIDI PAR USB |
| Number of oscillators | 2 | Inputs | Minijack, Audio in, USB Midi |
| Synthesis type | Digital, Modelization | Outputs | Midi, Headset, Jack, USB Midi |
| Vocoder | Yes | Color | Red |
| Category | Stage keyboard | Display | LED |
| Number of keys | 37 | Weight | 3.15 kg |
| Touch | Lightweight | Dimensions (mm) | 838 x 263 x 72 |
Questions frequently asked
Can the Korg RK-100S 2 Red be used as a MIDI master keyboard?
The USB MIDI connection allows control of virtual instruments or external modules. Both MIDI ports and USB MIDI are listed among the outputs.
How many keys and what type of keyboard does this keytar offer?
The Slimkeys keyboard features 37 medium-sized keys with a light velocity-sensitive touch. Its compact format suits stage setups and portability.
Does the vocoder work with a microphone?
A mono mini-jack input accepts an unpowered dynamic microphone or a line source. The 16-band vocoder includes level and pan controls per band, as well as Formant Shift and Formant Hold functions. Three input settings are available: MIC1, MIC2, and LINE.
What expressive controls are available on the RK-100S 2?
Two touch ribbons are integrated: a short ribbon for pitch bend and modulation, and a long assignable ribbon for pitch and/or filter. The long ribbon supports scales, while an arpeggiator features, among others, a Step Arpeggiator mode.
What is the polyphony of the Korg RK-100S 2 synthesizer?
Polyphony reaches 8 voices, or 4 voices when using the vocoder. The analog modeling synthesis uses 2 oscillators and a noise generator, with up to 2 tones in Layer, Split, or Multi mode.



