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PSP N2O is a semi-modular multi-effect plug-in which offers flexibility and total sound creation freedom. The high-quality sound processing modules can be routed in any configuration, allowing for endless musical journeys.

While built upon the same basic concept as PSP Nitro, PSP N2O, with its new modules and extended modulation features, explores completely new sonic areas. The plug-in engine has been rewritten and redesigned from scratch in order to improve the sound and take full advantage of the optimizations offered by modern CPUs. The enhanced user interface improves the experience of both sound designers creating their own soundscapes as well as everyday users who aren't as fond of looking under the hood.


  • Up to four sound processing operators at a time; among the available types are: morphing resonant and formant filters, eq, delay, reverb, pitch-shifter, compressor/expander, bitcrusher, distortion, full-wave rectifier and many more.
  • Up to four modulators at a time; the list includes: LFO, envelope detector, ADSR step sequencer.
  • Eight assignable knobs with quick MIDI learn option for convenient access to the most essential preset parameters.
  • Built-in limiter that uses algorithms from our extremely well regarded PSP Xenon hi-definition mastering limiter.
  • Three displays, simplified modulation setup, keyboard and mouse wheel support for easy preset creation and tweaking.
  • Animated response plots.
  • Sidechain (key) input.
  • Extensive SSE optimization.
  • 192 factory presets.
  • Expandable architecture - new operators and modulator types to be added in future versions while preserving backward compatibility.
User Reviews Average user rating of 3.00 from 1 review Add A Review

Reviewed By Jumbomonkey
December 19th, 2022

Very conflicted about this plugin, first of all the idea of the plugin itself and architecture are both great. But on the other hand, the GUI is tiny and doesn't hold up to modern plugins... so I'm not sure why this isn't being updated. It doesn't hold up in 2022 in design and usability, but the sound is still good. So I continue to use it now in the hopes that they will update the GUI and make it finally resizable at the very least. Implementing a FM8 like architecture for an effects plugin was absolutely a great idea either way...

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