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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Marellen Coley
Birmingham, US
★★★★★ 5
Soft smooth and wrinkle free!
Size: King, Color: White
The most comfortable sheets I’ve had in years! Soft and don’t wrinkle up in the bed. Some reviews said they are thin but I think they’re perfect! I don’t want super thick sheets as we are hot sleepers. These are the perfect feel. They also stretch very well to fit on my mattress all the way around and I have a thick mattress! My precious sheets were a struggle to get over the corners but these fit perfectly. Would buy 10 times over! Such a good value as well!
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Reviewed in the United States on April 14, 2026
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Justice
Cuba, US
★★★★★ 4
Soft Material, but Color Not as Expected
Size: Queen, Color: Oatmeal, Size: Queen, Color: Oatmeal
I did not open or use this sheet set because the color wasn’t suitable for the occasion I intended. I prefer to return items in unused condition so they can be resold as new, so I cannot comment on the exact fit. From a price point, it's value for money. From touching the fabric through the packaging, the material feels soft and of fair quality. There is no unpleasant smell, and the overall functionality seems fine based on its construction. My only disappointment is the oatmeal color—it looks somewhat dull and gives off an aged or slightly used appearance. I was hoping for a brighter, creamier tone. Aside from the color issue, the product appears to be well made and comfortable, which is why I’m giving it four stars.
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Reviewed in the United States on December 6, 2025
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Anonymous
Boise, US
★★★★★ 5
Nice and soft
Size: Queen, Color: Chambray
Update: I’m very happy with this sheet set! I’m currently only using the fitted sheet as I don’t have a need for the top sheet or pillow cases right now. It hasn’t popped off the mattress at all like the previous cheep sheet I had. Original post: The sheet set arrived today. Haven’t actually tried it yet because I need to wash it first. From I can see, looks great. Once it’s washed and on my bed, and can figure out how to update my review I will do so accordingly. It’s soft like most people have said and the color is nice, though they didn’t have my favorite color purple in a shade I like so I got the ‘fancy blue’ (don’t remember the actual name of the color) because I desperately needed a new sheet of quality.
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Reviewed in the United States on March 1, 2026
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Donna A.
Battle Creek, US
★★★★★ 5
Very comfy sheets, nice fabric
Size: Full, Color: Oatmeal
I wasn’t expecting such good quality forthis price. They’re very soft, but of fairly thick fabric. I’m sleeping great on them. The pockets are deep enough for an 8” foam mattress plus my 3” topper. Will be getting another set for the second bedroom.
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Reviewed in the United States on April 13, 2026
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H. Simon
Phoenix, US
★★★★★ 5
Great Sheets!
Size: Twin, Color: Oatmeal
Super soft, wash up beautifully, seem well made — very happy! It’s very hard to find 100% cotton t-shirt type sheets and these are really lovely.
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Reviewed in the United States on June 1, 2026

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