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Re-compose Spexx Spectral Distortion Reverb Plugin

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Quick Overview

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Generate a wide range of effects, from unusual, beautifully sounding reverbs to experimental spectral distortions.


Spexx. Create Unique Soundscapes.

Generate a wide range of effects, from unusual, beautifully sounding reverbs to experimental spectral distortions.

Spexx is a powerful audio effects plug-in featuring two processing stages and seven individual effects for interactive spectral manipulations of an audio signal.

It is designed to deeply engage with audio: it not only creates distortion but all kinds of experimental effects you can think of. This makes it an incredibly versatile tool for sound designers, musicians, EDM producers, and others.

Feel like creating a great sounding reverb? Some weird spectral distortions? How about some unique sound the world hasn't heard yet? Explore possibilities by just playing around or use the included materials to dive deeper into some predefined options.

All the effects have been designed for being simple, yet freely combinable in a modular fashion. Each effect has been engineered for very smooth sound manipulation, a maximum of tonal shaping ability and optimum performance without sacrificing usability.

Multi-core support guarantees glitch-free real-time performance even for demanding projects. Gain compensation and IN/OUT trim controls ensure there is no signal clipping.

Presets from numerous artists help you get started. Partnerships with those artists provide for an expanding library of materials encompassing a number of genres and techniques. *


Supports VST/AU and Multi-core,
Delivers interesting results


Bildschirmfoto von Spexx


Two stages

Spexx consists of two processing stages: A freeze stage captures and accumulates the incoming sound, applying the audio effects to the captured sound continuously, causing the output signal to change over time – like the reverb tail of an echo – plus an output stage which applies a user-defined spectral operation to the signal.

Bypass the freeze stage entirely to apply the output effects directly to the incoming sound.

Seven effects

Two categories of audio effects for the shaping of all kinds of effects: Focus, Feaze, Decay, Damping for the creation of unusual, beautifully sounding reverbs. Mirror, Pitch, Slope to generate experimental spectral distortions. Any combination of these is possible for other unique soundscapes.


Features you'll love

Simple and intuitive user interface designed for maximum interactivity
Unique mathematical algorithms for highest possible sound quality
Large window for display of the generated output signal
Two processing stages (freeze, output) and seven individual effects (Focus, Feaze, Decay, Damping, Mirror, Pitch, and Slope)
Effects freely combinable in a modular fashion (via drag & drop within the processing chain)
Bypassing of the freeze stage to apply the output effects directly to the incoming sound
Floating interactive panel with controls for selected preset
Input and output gain controls
Reset button to restart accumulator
Various parameters for the definition of spectral resolution
Audio effects plug-in, supporting VST, VST 3 and AU standard (32- and 64-bit-compatible)
Multi-core support for glitch-free real-time performance



The user interface of Spexx has been built in a modular fashion: Drag an individual effect into the desired position in the processing chain to define the signal manipulation. Set an effect to “active” to apply it to that processing stage. Or turn it "inactive" for the signal to remain unaffected.

Live or studio

Spexx comes with multi-core support to prevent any glitches and audio dropouts. It also features user-controllable parameters for various aspects of spectral resolution that allow you to find the best settings for any environment – in the studio, on the road, or in a live setting.

Parameters can be fully automated or mapped to external MIDI controllers.


System requirements

macOS 10.8 and later (32 and 64-bit compatible)

Windows 7 and later (32 and 64-bit compatible)

The plug-in might run on older versions too, but it's not guaranteed.


Available interface types




- Ableton Live 9 (and later)
- Bitwig Studio 2
- Cubase 9.5
- FL Studio 12
- Logic Pro X (Mac only)
- Studio One 3 (and later)
- Maschine 2 (and later)
- Reason

- Pro Tools (AAX is currently not supported)

Logo of Spexx. 
SpecialsOct 26, 2018