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MS MultiComp

Multiband mid/side compressor plugin for macOS and Windows

Four bands, and the mid and the side get their own compressor in each.

VST3 · AU

Price includes VAT. Licence key by email, straight after payment.

No iLok and no password. One online activation, then it runs offline. Full refund within 14 days, for any reason.

No audio demo for MS MultiComp.

On the panel

  1. CrossoversFour bands with movable crossovers, at 120 Hz, 800 Hz and 5 kHz to start.
  2. PathStereo runs four compressors. Mid/Side runs eight, a mid and a side per band.
The MS MultiComp interface — multiband mid/side compressor plugin for macOS and Windows
  1. SCExternal sidechain per band and per channel, so one band's mid can follow the key on its own.
  2. LookaheadUp to 10 ms, reported to the host as latency.

In Mid/Side mode it runs eight compressors, four bands on the centre and four on the sides. The band around 120 Hz can squeeze the mid hard and leave the sides alone, which is where the low end goes when the bass is fighting a wide synth. Stereo Multiband is there for when the mix doesn't need the split.

Processing modes

Stereo Multiband

Four compressors across four bands, working on the left and right channels together. The ordinary multiband, for a problem that sits in a frequency range.

Mid/Side

Eight compressors. Every band's mid and side carry a full independent parameter set, so a band can be held down in the centre and left open at the edges, or the reverse.

What it does

  • Four bands with movable Linkwitz-Riley crossovers, defaulting to 120 Hz, 800 Hz and 5 kHz
  • Two processing modes: Stereo Multiband runs four compressors, Mid/Side runs eight
  • Independent threshold, ratio, attack, release and makeup per band, per channel
  • Attack and release set directly in milliseconds, on the same scale in every band
All 9 features
  • Solo, mute and bypass per band, so you can hear one band's work on its own
  • External sidechain, switchable per band and per channel: the mid of one band can be keyed while its side is not
  • Lookahead up to 10 ms, reported to the host as latency so the DAW can compensate
  • Oversampling at 2x or 4x covers the whole engine, ballistics included
  • One compressor circuit on every band: RMS detection, a wide 10 dB knee, and a release that stretches with the amount of reduction

Specs

Formats
VST3, AU
Requirements
macOS 11 or later (Apple Silicon & Intel), VST3 or AU host · Windows 10 or later (64-bit), VST3 host
Version
1.1.0 · 9 Oct 2026
What changed

MS MultiComp is one of 6 in The Mid/Side Core

All 6 for €249, which is €105 less than buying them one at a time.

See the bundle

How to use it

Changelog

  1. 1.1.09 Oct 2026

    • Added update notifications with a one-click Update button
    • Added a gear menu to turn update notifications off
    • Added a daily check for withdrawn licences (offline keeps working)
    • Changed: Mac activation no longer sends your DAW, macOS version or language
    • Fixed: the Mac installer always installs to the plug-in folders
  2. 1.0.030 Aug 2026

    • First release.

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