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MP3 Gain is a simple tool to adjust the volume of MP3/M4A/MP4/MOV/M4V files. It analyzes and losslessly adjusts audio files to a specified target volume. Instead of simply peak amplitude normalization, it performs statistical analysis to determine how loud the file actually sounds to the human ear.

What's New

Version 3.0.0:

Note: Now requires OS X 10.7 or later

  • New user interface
  • Bug fixes


  • OS X 10.7 or later

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MP3 Gain User Discussion


Current Version (3.x)


Downloads 327
Version Downloads 142
License Commercial
Date 06 May 2016
Platform Intel 64 / OS X
Price $2.99
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