4ms Company has been designing and building innovative
audio electronics for musicians since 1996.

New! EnvVCA and Mini PEG and more :

We're releasing five new modules this fall!
- EnvVCA: a compact analog envelope and slew-limiter plus ultra-clean VCA
- Dual EnvVCA: dual/stereo version of the EnvVCA
- Shaped Dual EnvVCA: Analog waveshaping! Morph between plucky exponential and fat log without changing the tempo
- MiniPEG: a modern take on our classic module: single channel clock-synced envelope/LFO with a variety of waveshapes and clock divider/multiplier.
- SCMplus: Clock multiplication, swing, shuffle, pulse width and more.

Ensemble Oscillator :

Available now! The Ensemble Oscillator is a unified polyphonic voice of sixteen complex oscillators combining additive, FM, phase-distortion and wavefolding synthesis techniques in new unorthodox ways.

Percussion Interface :

The Percussion Interface (PI) and PI Expander are a pair of Eurorack modules that generate gates and envelopes from acoustic drums, samplers, drum machines, and virtually any audio source. Converting microphone, instrument, line and modular signals into CV and clock/gate signals, the PI and PI Expander are suited for synchronizing sequencers or other modules to the rhythm of an audio track or live percussion.


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