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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4.4 ★★★★★
Based on 1922 reviews
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L
Verified Purchase
Leo
Carnegie, US
★★★★★ 4
It's a (smaller) soccer ball with nylon straps. Will no last long for aggressive chewers.
Color: Black Green, Size: 8 Inch
As the item title states, it's a soccer ball with straps. It feels like a soccer ball, but smaller and doesn't make any noises. The 8 inch size just right for my 50 lb dog. He can't get his mouth around the ball, but can bite down on the straps as we kick it around. He also plays and tosses it around by himself. It's also easy to clean. It's a good item, but suffers from two issues. 01) The nylon straps are tough, but not as durable as I though. My dog is aggressive chewer and has managed to chew them up a bit. 02) There is a nylon strap that is longer than all the others, so he tends to focus on that one. After about 15 days of playing with hit, he's managed to chew that strap up to the point that it's almost falling off. It would be nice if all the straps were the same, larger, size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2025
D
Verified Purchase
debra
Bozeman, US
★★★★★ 5
Highly recommend
Color: Black Green, Size: 8 Inch
I was skeptical that it would hold up to our aggressive chewer puppy (staffyX) - especially during teething. But it has survived past teething into adult chompers and is still fantastic! Its his favorite outside toy, especially the tags make it fun (and those have been holding up well too). If/when it fails, I'll buy another one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
A
Verified Purchase
Amazon Customer
Belleville, US
★★★★★ 3
great design, poor overall quality
Color: Black Green, Size: 8 Inch
My dog loves these balls. The "tags" are a great design. The problem I have is the quality as they aren't tough enough. He goes through them pretty quickly tearing off the tags and puncturing the ball. He doesn't get that these actually cost money! Each one also comes with a small pump, which I guess is great for a one time buy?, but man, if you don't own a pump just buy one and keep one. I have no use for several of these cheap pumps. How about offering the pump as an add-on for a dollar or two?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
A
Verified Purchase
Amazon Customer
Louisville, US
★★★★★ 5
Ummmm🙄 not indestructible!
Color: Yellow Green, Size: 6 Inch, Color: Yellow Green, Size: 6 Inch
I have a Aussie doodle ( 1 1/2 yr old) so I decided to get her this one for Christmas and she loved it (she plays soccer with my grandkids-so I thought it would be a perfect gift and the colors are so cool green and yellow) however ..if your dog is like mine, she busted it within two days first tried chewing off the handles so I decided to cut the rest of them off-then proceeded to tear one of the pentagons entirely off and finally completely busted it… which made her very happy, but I was very sad!! If your dog is not a chewer and does not stop until she tears it apart, especially if it has some kind of noise maker which this does not-it’s a great ball and really well made! She loved it from the minute she got it played with it-wouldn’t let us take it away from her! It is made and looks like a real soccer ball. So I will have to keep searching for an indestructible soccer ball🙄😁
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
J
Verified Purchase
JODI P.
Pawtucket, US
★★★★★ 5
My dog loves this.
Color: Black Green, Size: 6 Inch, Color: Black Green, Size: 6 Inch
I have a large Cane Corso who could obviously shred this but, she loves it. This ball is holding up really well. We use it for outside play and she loves batting it around and swinging it from the loops.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026

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