W43 Noise Reduction Plugin Inspired by the Renowned CAT43

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Hiss. Hum. Traffic noise. Wind. Air conditioning. Even room ambience. They can all wreak havoc on a dialogue track. With Waves W43, they’re a thing of the past.

Inspired by the legendary CAT43, the W43 noise reduction plugin builds upon the legacy of the rare unit that’s been a post production favorite for decades. W43 delivers high quality, minimal artifact multiband noise reduction like the original hardware, while adding all the advantages of software.

  • Zero latency for perfect picture sync
  • Designed especially for dialog
  • Multiple simultaneous instances
  • More affordable and portable than hardware
  • Up to 24bit, 192kHz resolution
  • Supports TDM, RTAS, Audio Suite, VST, AU
  • PC and Mac compatible


  • Threshold determines the level at which noise reduction begins.
  • Range Faders determine the amount of noise reduction applied to each band.
  • Low: 30 Hz – 80 Hz
  • Low Mid: 80 Hz – 1 kHz
  • High Mid: 1 kHz – 3 kHz
  • High: 3 kHz and up
  • Engage enables and disables the noise reduction process.
Waves W43 Noise Reduction Plugin TDM
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