Sound Radix has announced Powair v1.1, bringing new features and improvements to its design two-stage leveller/compressor plug-in. Designed to control dynamics and bring a sense of power to vocals, instruments and mixes Powair also receives a completely rewritten user manual.

Sound Radix Powair v1.1

Among the features and improvements in v1.1 are further peak clipping options, a user-definable meter peak hold, UI scaling (75% – 200%) and improved filter phase response, as well as better overall performance and improvements to the user interface. Limiting is now based on true-peak, with Presets names being stored and recalled. Additionally, Pro Tools (AAX), Studio One 3.x (VST3) now support gain reduction meter, while Pro Tools (AAX) supports automation key modifiers.


  • A/B states were not properly stored and recalled.
  • Meters/Leveler did not clear state when playing after stopping.
  • VST denormalisation-related performance issues.
  • Possible crash on Digital Performer (VST).
  • Input meter could show noise-floor instead of silence.
  • Various cosmetic UI inconsistencies.
  • SCF – possible crash when LF was set to highest frequency.
  • SCF – Solo didn’t work when the compressor was off.
  • M/S mode was processed in leveller stage.
  • Fixes/improvements to auto gain compensation and side-chain compression.
  • Switching between Mono/Stereo instance on Logic X could lead to a crash.
  • AAX with side-chain could produce silence when rendered offline. (Commit/
Freeze/Bounce Offline).
  • VST3 might not work with Direct Offline Processing.
  • In some settings, dry signal could be not dry.
  • Possible crash when inputting out-of-range values.
  • Fixes/improvements to Windows installer.

The update is free to owners, and can be downloaded from their Sound Radix account.


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