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 Portal by Output is a Virtual Effect Audio Plugin. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
Product Portal
Developer Output
Price (MSRP)
Type / Tags Granular Synthesis
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
- Released
System Requirements
- Windows 7 or higher
- 32 and 64-bit compatible (PC)
- 4GB of RAM required, 8GB recommended
- At least 300 MB of free driver space
- Reliable internet connection for download delivery
- Released
System Requirements
- Mac OS X 10.9 or higher
- 4GB of RAM required, 8GB recommended
- At least 300 MB of free driver space
- Reliable internet connection for download delivery
Max. 6 items
Latest Version Changes [view all]

Portal is a granular synthesis FX plugin that transforms audio in a forward-thinking and musical way. Turn your VSTs, drum samples or any live input such as vocals or guitars into infinite new possibilities.

In the past, the results of granular synthesis were often chaotic and abstract. PORTAL re-synthesizes sounds to give you a result that's more closely related to the original input.

Built to be musical..

Easily alter any audio input—VSTs, drums, vocals, live guitar, you name it—in a new and musical way.

Infinite ideas in seconds

Experience the playability of granular effects that are actually centered around the music you make. While in the past granular sounds have been chaotic and abstract, PORTAL re-synthesizes sounds that are more closely related to the original input.

Zero gravity

Easy on CPU — pair it with Output's ARCADE or any other instrument to truly make sounds your own.

With PORTAL, granular synthesis takes your sounds to another dimension.


  • 250+ presets for instant playability.
  • A circular XY Control linked to granular parameters.
  • Powerful time manipulation engine.
  • Tempo-synced grain delay.
  • Scale-based pitch modulation.
  • 7 built-in FX with an additional master compressor and filter.
  • Value readout panel for better understanding of controls.
  • Favoriting feature in Presets menu.
  • Built-in Tool Tips on Advanced page.

{See video at top of page}

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