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Distortion by Inertia Sound Systems

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A Living Organism of Drive, Dynamics and Tone

Instinct is not just another distortion, dynamics processing,  or tone shaping audio engine.

It is a sonic monster that can create new worlds from the sound you feed it with, varying from smooth analog warmth or dynamics processing to total destruction, aggressiveness and alienation.

Buttery Smooth

Instinct can deliver results that vary from smooth saturation or mild dynamics processing, to extremely distorted and noisy breathing sounds, with wide dynamics and a very rich frequency spectrum.

High quality, Transistor and Tube models

That can be tweaked, interchanged and modulated in depth.

A wide response transient shaper "SCULPT"

This is the modulation source that pumps the heart on Instinct. With controls overtime response and character, it can modulate many circuit parameters, achieving unique dynamics and distortion shaping. SCULPT is able to operate on auxiliary buffers as it supports an external sidechain.

VA Resonant Filters

High-quality zero-delay feedback analogue modelled drive and tone filters, with internal saturation, and self-oscillation.

Versatile signal flow

Instinct provides a lot of freedom regarding which modules are active or inactive. This creates different signal flow choices with different characters and a wide sound result palette.


Models, and model parameters can be smoothly tweaked.

High-quality Resampling

With bandlimited sync interpolation. Operating at 4x or 8x oversampling for pristine sound.

Preset System

Instinct comes with many built-in presets varying from smooth warm dynamics and drive to more creative/wild /noisy ones. These can be a good starting point both for mixing and sound design.


  • High quality, Transistor and Tube models.
  • Versatile signal flow, with one or two drive circuits in series.
  • VA Resonant Filters
  • A wide response transient shaper "SCULPT" with an optional external sidechain.
  • Morph across circuit models and circuit model parameters.
  • Transparent high-quality Boost Filter.
  • High-quality resampling.

System Requirements


  • macOS 10.12 - 10.15
  • AU / VST & VST3 (64 bit only)


  • Windows 10 or later
  • VST / VST3 (64 bit only)


  • GLIBC: 2.29
  • VST / VST3

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