4MS Eurorack Modules

Since 1996, 4ms has been making innovative stompboxes and Eurorack format synthesizer modules that offer a new take on traditional ideas. Whether you’re looking for poly-rhythmic clocking utilities for your modular or some chaos-driven effects for your guitar, 4MS has developed a wide array of products to give some new and unique tricks to your set up and even offer DIY kits for their products for those who roll their own















Reverb Gives

Your purchases help youth music programs get the gear they need to make music.

Carbon-Offset Shipping

Your purchases also help protect forests, including trees traditionally used to make instruments.

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