Multi Band Compressor 1.2 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. C3_Multi_Band_Compressor_1.dmg is the most common filename for this application's installer.
This free Mac application is a product of Slim Slow Slider. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. Multi Band Compressor for Mac belongs to Audio & Video Tools. The most popular version of Multi Band Compressor for Mac is 1.2.
From the developer:
C3 was developed by Slim Slow Slider for VST windows. Slim Slow Slider really coded an amazing mastering plugin and he is offering it as donationware.
You may want to check out more software for Mac, such as Band-in-a-Box, Microsoft Band Sync or Band Creator Lite - Drum Machine and Bass Accompaniment, which might be related to Multi Band Compressor.