Extremum extreme effects processor

Buy now / Download demo / Read user guide

Extremum is an effects processor built with one huge goal: to turn even the most simple sounds into insanely interesting, tonally rich and exciting new material. It features a collection of phaser, chorus and filter algorithms comprised of up to 256 stages and 16 feedback lines – all of which apply radical but finely controllable transformations. And to take it even further, Extremum has its own tempo-synchronised modulator with multiple waveforms, variable lag and chaos.


It would not be a Sinevibes product if Extremum did not feature a stylish, animated user interface. With its clean layout and colour-coded controls, you will hardly ever need to glance into the user manual. The graphics also do not tax your Mac’s main processor and support displays with retina resolution.


  • Six extreme effect algorithms: 256-stage phaser, 24-stage chorus, 16-stage positive/negative comb filter, 8-stage positive/negative barber-pole phaser.
  • Modulation generator with 9 waveforms, adjustable lag and periodic chaos.
  • Advanced transport sync algorithm with support for tempo and time signature automation.
Update 1.0.3
– Fixed random LFO mode operation.
– New factory presets.


Extremum works with Logic, GarageBand, Live, MainStage, ReNoise, Reaper, Studio One, Digital Performer, Tracktion and other software that supports Audio Unit effect plugins. It comes in 32/64 bit format for Intel Macs running OS X 10.6 or later, and supports Retina screen resolution.