i was wondering if anybody knows an osx tool/software that would let you run system audio (all sources) through a vst plugin? say you want apply a compressor to whatever you are listening to? thank you!

7 Answers 7


could you maybe use Soundflower to route the system audio into a vst compatible program? just an idea.

  • Why is this voted down? This absolutely works, I regularly use it to route standalone sound utilities (like WaveWarper) into Pro Tools. This utility creates an i/o for your system audio and you just route the Soundflower/system output into your DAW of choice and apply whatever effects you'd like.
    – Jesse.R
    Nov 14, 2013 at 7:41
  • Maybe, but this isn't actually an answer, it's itself a question. Installing soundflower is trivial: then what? There's no preferences icon for controlling it, no GUI, no terminal commands, just "use soundflower" doesn't in anyway help getting audio to go through a VST before coming out your speakers. Feb 27, 2021 at 22:02

Audio Hijack Pro is another option. http://rogueamoeba.com/audiohijackpro/


Wiretap Studio should let you do that http://www.ambrosiasw.com/utilities/wiretap/


Or Jack, but you will need to use a plugin host of some kind.


Blue Cat Audio's Patchwork has a standalone version that allows you to stack any flavor of plugins between any input and outputs.


menuBus and Loopback are two products worthwhile mentioning. menuBus gives the option to put your combined system audio output (from all applications) through a stack of AU plugins. Loopback creates virtual audio devices that allow e.g. to route Spotify/iTunes/Skype/etc. from or to other apps.


Soundflower is the most versatile of all the options proposed

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