SubMission Audio – Flatline (Windows)

In Stock

System Requirements

  • Windows 10,11 (64Bit Only)
  • Full Version
  • Instant Download
  • Future Free Updates
  • VST3, AAX
In Stock



Flatline is a complete audio mastering plugin: Featuring clipping, limiting, and the acclaimed ‘Hybrid’ intelligent maximizer algorithm.

Hybrid unifies the best aspects of clipping and limiting into an intelligent package that can master music to unbelievable volumes, all while keeping the mix perfectly intact. It must be heard to be believed.

Whether music, post-production, broadcast, or live sound – you can now Master Everything.


  • Multi-Mode Audio Mastering Maximizer: Clip, Limit & Hybrid.
  • Clipping: Variable soft saturation for the classic 2000s ‘radio’ mastering sound.
  • Limiting: Brickwall limiter with adjustable release for 90s-style transient control.
  • Hybrid: The punch of clipping with the distortion resistance of limiting, in an elegant, intelligent solution. Features envelope control, tailored charge times, multi-stage release, lookahead, and channel linking for both transient and sustain portions of the signal.
  • Metering: Comprehensive LUFS (Integrated, Short-Term, Momentary, Range) with targets for major platforms like Spotify, Apple Music, YouTube, and more.
  • Extras: Oversampling to 64x, DC Offset Filter, Multi-bitrate Dither, Delta Monitoring.
  • Preset collection from top producers and mastering engineers.


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