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iZotope updates RX to v2.1 (incl. AAX and Win 64-bit)


iZotope has updated RX to version 2.1, which includes several important updates that address plugin improvements, AAX support, 64-bit Windows version and stability improvements.

New Features
Spectral Repair plugin usability improvements, including:

  • Added a playhead inside the plugin for timing reference.
  • Added 'Play Selection' option when running RX 2 as a plug-in.
  • Increased the size of the captured buffer, which differs based on sampling rate.

Compatibility Changes:

  • Added AAX support, available as an option during installation.
  • 64-bit application support for Windows.
  • Improved support for 3rd party plug-ins hosted in the RX Advanced Standalone application.

Other Changes:

  • Fixed issues with Pro Tools handles.
  • Improved readability of exported XML History.
  • Other bug fixes and stability improvements.


  • 3rd-party 32-bit plug-ins require use of the 32-bit version of the RX 2 standalone application, not the 64-bit version.
  • AAX plug-ins need to be enabled during installation and are not installed by default. Pro Tools 10.2 or later is recommended.
  • Handles are not supported for AAX AudioSuite versions of Spectral Repair and Denoiser at this time.


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