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Audio-Controlled Synth

Important note: This software is Mac compatible only (Audio Units) and will not function on PC computers.

Zap is a unique mini-synthesiser controlled by incoming audio. It starts with an envelope follower that tracks the peak energy of the sound and then applies it onto the frequency of a monophonic oscillator. With three different oscillator waveform modes and features like envelope stepping, Zap can turn any sound source into dynamic synth sweeps, sub-basses, blips, chirps or glitches.

Zap has a simple and stylish user interface built with colour-coded graphics and full Retina resolution support. It has subtle animations and a live output waveform view, making even such a simple effect very fun and engaging to work with. And yet, thanks to hardware-accelerated rendering, Zap feels fast and responsive even on older, lower-end Macs.


  • Signal envelope follower with variable lag time and curve, plus level stepping feature
  • Three oscillator modes: pure sine, ring-modulated sines & phase-modulated sines
  • Realtime output waveform display

System Requirements

  • Supports OS X 10.6 or later, running on 32 or 64-bit Intel Macs
  • Works with any application that supports Audio Unit (AU) effect plugins
  • Supports Retina screen resolution


Hologram 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.

Important Notes: 

  • This software is Mac compatible only (Audio Units) 
  • An Audio Units (AU) compatible DAW is also required to run this software
  • This software will not function on PC computers

Any references to any brands on this site/page, including reference to brands and instruments, are provided for description purposes only. For example references to instrument brands are provided to describe the sound of the instrument and/or the instrument used in the sample. Plugin Boutique do not have (nor do they claim) any association with or endorsement by these brands. Any goodwill attached to those brands rest with the brand owner. Plugin Boutique or its Suppliers do not accept any liability in relation to the content of the product or the accuracy of the description. "RHODES" is a registered trademark of Joseph A Brandstetter.

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