Korg RK-100S Black Keytar 37 Key Shoulder Keyboard & Synthesiser W/ MIDI & Case
SKU: 92930634021

Korg RK-100S Black Keytar 37 Key Shoulder Keyboard & Synthesiser W/ MIDI & Case

$674.55 $749.50
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Description

Korg RK-100S Black Keytar 37 Key Shoulder Keyboard & Synthesiser W/ MIDI & CaseKorg RK 100S Keytar 37 Key MIDI Shoulder Keyboard & Synthesiser Black W Case Appearing in 1984, the RK 100 remote keyboard broke the chains of keyboardists, setting them free to perform as they liked. With a stylish body available in four colors, it allowed the keyboard player to challenge the vocalist or guitarist for the main role on stage. Thirty years later, the RK was resurrected. Although beautiful curved surfaces have been added, the essence of

Korg RK-100S Keytar 37 Key MIDI Shoulder Keyboard & Synthesiser - Black W/ Case 

Appearing in 1984, the RK-100 remote keyboard broke the chains of keyboardists, setting them free to perform as they liked. With a stylish body available in four colors, it allowed the keyboard player to challenge the vocalist or guitarist for the main role on stage.

Thirty years later, the RK was resurrected. Although beautiful curved surfaces have been added, the essence of the original and very popular design is unchanged. What had been a somewhat large and heavy body has been made more compact and lightweight thanks to modern components such as a slim keyboard. While the original required an external sound module, the new RK-100S contains a built-in analog modeling sound generator.

New features and functions include two ribbon controllers, an arpeggiator, and a vocoder, and there are also "favorite" buttons that allow you to register frequently-used sounds for one-touch selection. The RK-100S is your choice for smarter, more active, and more enjoyable performance. (KORG offical website)


The Korg RK-100S is an awesome gift for anyone who is into 80's music / keytars. The MIDI out function means you can use this unit with your other MIDI compatible synths / sound modules. This unit would also be great for a retro inspired video clip or movie, to rock out on stage with or add something fun to your current set up. 


Condition:
  • This Korg RK-100S has been used.

  • This unit is in great condition overall. It shows a small amount of wear, nothing major at all and is overall a nice piece. Please see photos.

  • This unit has been thoroughly tested and we can confirm it is working as it should. 

  • This Korg RK-100S will be shipped with its genuine Korg soft carry case. 

  • This unit can power off AA batteries or a 9V positive centre power adaptor. Neither are included in the sale.

  • Sale is for unit and case only. Nothing else is included. 
Specifications:
Color:
Black
Keyboard:
37-keys (Slimkey, velocity sensitive, no after touch)
Sound Generation System:
MMT (Multiple Modeling Technology)
Program
Number of timbres
Maximum 2 (when using Layer, Split, or Multi)
Polyphony
Maximum 8 voices (Maximum 4 voices when the vocoder is selected)
Synth
2 oscillator + noise generator
Oscillator 1
Waveform: SAW, PULSE, TRIANGLE, SINE, FORMANT, NOISE, PCM/DWGS, AUDIO IN
Modulation: WAVEFORM, CROSS, UNISON, VPM
Modulation: WAVEFORM, CROSS, UNISON, VPM
Oscillator 2
Waveform: SAW, PULSE, TRIANGLE, SINE
Modulation: RING, SYNC, RING+SYNC
Wave shaping
WS type: DRIVE, DECIMATOR, HARDCLIP, OCT SAW, MULTI TRI, MULTI SIN, SUB OSC SAW, SUB OSC SQU, SUB OSC TRI, SUB OSC SIN, LEVEL BOOST
Multi-mode filters
Filter 1: -24 dB/oct LPF ~ -12 dB/oct LPF ~ HPF ~ BPF ~ Thru Filter 2: LPF, HPF, BPF F
Vocoder
16-band vocoder, adjustable level and pan for each band, Formant Shift function, Formant Hold function
Effects
Timbre
2-band EQ
Master effects x 2
17 effect algorithm Master effects
Arpeggiator
UP, DOWN, ALT1/2, Random, Trigger (6 types), Step Arpeggiator function
Programs
200 programs
Audio Input/Output
Input
Input jack（Mono dynamic mic, Line input）
Intended for a mono dynamic microphone which doesn’t require power, this jack can also be used as a line input
Input select switch
MIC1: Mic (Non Powered) [Gain Low]
MIC2: Mic (Non Powered) [Gain High]
LINE: Line Input (mono L-ch input)
Connector type: mono mini jack
Output

Output jack (Headphone, Stereo, Line out)
Maximum output: 25mW + 25mW @ 33 ohms load
Connector type:φ6.3 mm, stereo phone jack
MIDI:
OUT
USB:
Type B
Display:
7-segment LEDs, 3 digits
Battery Life
Approx. 8 hours (using alkaline batteries - not included)
Dimensions
(W) x (D) x (H)
830 x 262 x 71 mm/32.68 x 10.32 x 2.80 inches
Weight
4.0 kg/ 8.82 lbs. 


Postage:

If you are in a remote area you may incur extra fees. 

 

International import tax, duty, vat, custom fees or any other charges are not covered by us, nor included in the shipping fees. These are the responsibility of the buyer.


Return Policy:

Returns will only be accepted for manufacture defects / faulty items. Please contact us if you have any problems with your purchase and we will strive to work it out with you.


Please contact us with any enquiries, and check our other listings for more pro audio and accessories. 
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 92930634021

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Cookie
Charlottesville, US
★★★★★ 5
Socks
Size: Medium, Color: (001) Black / Black / White
Great price, perfect fit.
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Reviewed in the United States on January 23, 2026
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Glass
Carnegie, US
★★★★★ 5
I stay on your foot they don’t slip in your shoe
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
This is the only socks I wear Under Armour because they stay in place I wear a size 8, but they’re more comfortable with a large instead of a medium, but I wear both because I have them already and you can pull them to stretch them out a little bit
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Reviewed in the United States on May 12, 2026
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Lauren
San Leandro, US
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
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Reviewed in the United States on April 19, 2025
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Elliz
Cuba, US
★★★★★ 5
So good - I’m buying MORE.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I’m gonna give you more detail than you need about why I’m buying these socks again. I’ve been the mom of girl athletes. I’ve been a model and a fashion director. I’ve worn every brand of shoe on the planet and never found a shoe that did NOT find a vulnerable spot on my foot to rub raw. Even my beloved white Jack Purcell sneakers. With that said - I don’t like socks. I’ve bought a TON of them in 35+ years.....all major brands. They shift. They lose their shape. They get holes in them and wear out too fast. Not these. I retired this year, and knowing I’d be in sneakers a lot, traveling, sightseeing ...... I bought these 6 months ago and have worn them constantly. I’ve traveled with them. I’ve washed them in hot water and bleach. The socks are like brand new. They are exactly the right cut so as not to be seen in a basic sneaker. The little silicone patch on the heel stays put. Not once have I had to dig down into my shoe and pull the sock back up. The socks have stayed soft and EXACTLY the same as the day they were new. Like I said - I am back to buy them again. Great quality!
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Reviewed in the United States on January 20, 2021
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Judy Fletcher
Belleville, US
★★★★★ 5
No slip low socks
Number of Items: 3, Color: Black/White (3-pairs), Size: Medium
Perfect! ❤️ these!
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Reviewed in the United States on February 16, 2026

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