Aumix 2.9 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The software lies within Audio & Video Tools, more precisely Music Production. We recommend checking the downloaded files with any free antivirus. The most popular version of the program is 2.9. The actual developer of this free Mac application is Trevor Johnson.
From the developer:
This program adjusts an audio mixer from X, the console, a terminal, the command line or a script.