AudioUnit | AAX | VST | VST3

Windows | macOS Intel | macOS Silicon

The 2006 PAR Excellence Winner, The 2010 DJ Technology Winner, Computer Music Performance Winner

User Manual

PSP MasterComp

a high fidelity stereo compressor!

PSP MasterComp is a high fidelity stereo dynamics processor. Its double-precision 64-bit floating point and double-sampled FAT (Frequency Authentication Technique) processing offers unrivaled transparency even at extreme compression settings and high sample rates.

30-day trial for macOS 30-day trial for Windows

PSP MasterComp installer includes two versions of the plug-in:

  • PSP MasterComp: Designed for mastering compression and expansion.

  • PSP MicroComp: Designed for using on buses and track processing during mixing.


  • Controlling or revitalizing signal dynamics during mixing or mastering

  • Creating the final sound of the mix

  • Providing classic analog-like smooth compression

  • Revitalization of transients

  • Total high frequency transparency thanks to double sampled processing (excluding output limiter)

  • Low distortion due to our optional Smooth Level Detector algorithm

  • Optional intelligent automatic attack and release times

  • Wide range of controls designed for mastering purposes

  • Over threshold compression and expansion

  • Advanced side chain filtering, channel linking, and compression tilting controls

  • Mix control to allow fine blending between the processed and clean signal

  • Optional high quality brick wall output limiter with automatic release time

  • Advanced PPM/VU meters with contextual readings and adjustable parameters

  • Selectable channel processing: Mid, Side, Left, Right or Stereo

  • Simple and effective control layout

  • CPU efficient algorithm optimized for mixing purposes

  • Low distortion thanks to optional Smooth Level Detector algorithm

  • Optional automatic release time

  • Wide range of controls dedicated for mixing purposes

  • Over threshold compression and expansion

  • Side chain filtering and channel linking controls

  • Advanced PPM/VU meters with contextual readings and adjustable operation parameters

Main plug-in development: Mateusz Woźniak

Secondary development: Piotr Dmuchowski

Graphics: Mateusz Woźniak

Platform: Adam Taborowski & Piotr Dmuchowski

Installer: Piotr Dmuchowski

Product Manager: Antoni Ożyński

Documentation: Mateusz Woźniak & Piotr Dmuchowski

In order to run PSP MasterComp in 30-day trial mode or activate it, you need an iLok user ID which you can create for free at, and you need to install the free iLok License Manager application but you don't need any hardware dongle.

You can activate the license in 3 separate locations, each of which can be either a computer or an iLok dongle (2nd generation or above). You can move these licenses at any time using PACE's iLok License Manager software.



  • Windows 7 – Windows 11

  • 64-bit VST3 compatible application


  • Windows 7 – Windows 11

  • 64-bit VST compatible application


  • Windows 7 – Windows 11

  • Pro Tools

All DAWs

  • The latest iLok License Manager application installed 

macOS Intel or macOS Silicon


  • macOS 10.14 – macOS 14 Sonoma

  • 64-bit AudioUnit compatible host application


  • macOS 10.14 – macOS 14 Sonoma

  • 64-bit VST compatible host application


  • macOS 10.14 – macOS 14 Sonoma

  • 64-bit VST3 compatible host application


  • macOS 10.14 – macOS 14 Sonoma

  • Pro Tools

All DAWs

  • Up to date iLok License Manager application installed

VST and VST3 are trademarks and software of Steinberg Media Technologies GmbH. AAX and Pro Tools are trademarks or registered trademarks of Avid Technology, Inc. AudioUnit, OSX and macOS and macOS Silicon are trademarks of Apple Inc. iLok is a trademark of PACE Anti-Piracy, Inc.