Brand new, fully assembled, calibrated and tested Chord Organ Eurorack module. Designed by Music Thing Modular and built by Monolith Modular using PCBs and aluminium panel from Thonk plus self-sourced components as per the designer's specification with a choice of knob colours* and a green button (other colours available but would require a custom build so please contact before ordering). Assembled by an experienced synth builder using lead-free solder. A SanDisk 32GB microSDHC Card and SD card adapter are included. The Teensy comes loaded with the latest Chord Organ Firmware with 12 Waveforms enabled and if you ever need to update it or want to try different Firmware like Radio Music for example you will need a Micro-B USB cable (Kindle charge cable). The USB power to the Teensy has been left in tact which means you can power the module to update the Firmware via the USB cable without the need for Eurorack power but it must not be powered from both as it could damage the Teensy, this can be cut if you would prefer but the n the module would need Eurorack power to be updated. An optional mod has been carried out to stop the sound distorting over time, as recommended by Tom Whitwell of Music Thing Modular.

Includes 1 Year Warranty, 15cm power cable and 2x M3 mounting screws or M2.5 screws are available instead on request.

*Please inform us of your choice of knob colour before or soon after placing an order or we will send it with black knobs. We currently have the following colours available, in the order of the images: Black, Cream, White, Dark Grey, Red, Dark Red, Blue and Dark Blue.

Designer's Description

It’s perfectly possible to create chords on a modular synth, but it’s a pain — lots of tuning and messing about. I wanted to create something as simple as a home organ with chord buttons. Chord Organ is exactly that; the top knob chooses a chord shape, the bottom a root note.

Chord Organ and Radio Music are identical modules; you can convert one to the other by installing new firmware over USB and go back just as easily.

Product Specs

Brand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
Brand Music Thing Modular
Model Chord Organ
Finish Aluminum
Categories Eurorack
Year 2020
Made In United Kingdom

Great seller. Quick delivery.

Daniel C. - April 02, 2020

Super nice seller, fantastic build quality and fast delivery. Perfect

Enrico D. - April 01, 2020

Friendly seller, Super fast delivery. Many thanks +++

Arnaud R. - March 31, 2020

Works fine,
Thanks for all !!!

Guilhem J. - March 26, 2020

Fantastic build and quality packaging. Loved the surprises inside :3

Pierre poztman C. - March 14, 2020

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Ships from Bradford, United Kingdom to:

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Return Window

This product can be returned within 14 days of receipt.

General Terms

Items must be returned in original, as-shipped condition with all original packaging and no signs of use. Buyer assumes responsibility for all return shipping costs unless the item was not received as described.


Buyer receives a full refund in their original payment method less any shipping costs.

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Monolith Modular

Bradford, United Kingdom
Joined: Sep 2018

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Music Thing Modular Chord Organ Aluminium Panel 32GB SD Card 4hp Eurorack Module
+ $19.21 Shipping