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1 Sound Radix POWAIR

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Sound Radix POWAIR
Sound Radix POWAIR

A Novel Two-Stage Loudness Leveler and Transparent Compressor Plugin

Sound Radix designed POWAIR to be a smarter, more natural-sounding compressor. Its dual-stage loudness leveler/compressor/limiter is powered by a novel, proprietary compression engine which provides greater transparency and control than ever before.

The first stage is a K-weighted loudness leveler, perfect for leveling a voice-over or auto-adjusting the level of different pieces of music. In its second compression stage, POWAIR uses an innovative gain detection and reduction engine, capable of fast gain changes with minimal distortion and adaptive response to the source.

The unique Punch feature enables full control over the transients’ levels during the attack stage, making it possible to shape the transients’ lengths while keeping peak levels under control.

And in an industry-first, POWAIR features Adaptive Compression to maintain an average compression action, adding intensity and glue while keeping the natural dynamics of the recording.

We’ve got the POWAIR

POWAIR’s novel, proprietary compression engine allows for powerful dynamics shaping while maintaining the timbre of the source material, even when pushed to extremes. It enables greater control and transparency of the source’s perceived loudness and intensity and brings a sense of power to vocals, instruments, and mixes.

Total Creative Control

With innovative features such as Punch and Adaptive Compression, POWAIR offers an extra level of control over transients, enabling you to uniquely shape your sound while fully retaining the dynamics of the original performance.

Perceived Loudness

Whether you need to deliver tracks to EBU specifications or control the levels of dynamic performance, the K-weighted perceived loudness (LKFS) leveler will smoothly ride your tracks to your target level.

Powair perceived loudness
Sweet toppingas

Sweet Topping

Additional features such as L/R and M/S processing with variable stereo-link, bandpass, and bandstop side-chain filter, tempo-synced recovery time, side-chain input, and analytic auto-makeup gain complete POWAIR’s comprehensive feature set.

Sound Radix POWAIR Features

  • A novel, ultra-fast gain detection, and reduction compression design
  • K-weighted loudness auto-leveler
  • Punch enables precise level control of transients during the attack period independent of attack time
  • Adaptive Compression enables maintaining average compression for natural performance dynamics
  • Machine learning-based perceived loudness auto makeup gain compensation
  • Band-pass and band-reject side-chain filter
  • External side-chain key input
  • Mono, stereo, and mid/side operation modes with continuously-variable compression link control
  • ITU-R BS.1770.4-compliant LKFS and true-peak output level meters


  • 64-bit Intel Core CPU or Apple Silicon
  • 8GB RAM
  • macOS 10.9 or higher


  • 64bit Intel Core CPU
  • 8GB RAM
  • graphics card supporting OpenGL 2.1
  • Windows 10 or higher

Plug-in formats:

  • AAX
  • Audio Unit
  • VST
  • VST3

Free iLok account and iLok License Manager (iLok USB key is not required)

2022-12-19: Version 1.1.4

New Features & Improvements

  • Improved Stability.
  • Native AAX Apple Silicon Support.
  • New Preset by Rob Byers.
  • macOS Ventura qualified.

Bug Fixes

  • Fixed UI might reset to default.
  • Various bug-fixes.

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