Quote:MP3 Gain for mac is a simple tool designed specifically to adjust and normalize the volume of audio(mp3, wma, etc) files. It automatically normalize the volume of audio files and adjust the loudness of audio tracks without lossy. It performs statistical analysis to determine how loud the file actually sounds to the human ear.
Key feature
-Support many audio formats(mp3, wma, wav, flac, m4a, ac3, mp2, ogg)
-Comply with the EBU R128 loudness standardization specification
-Support batch increase the volume
Note: NOT support DRM protected audio files.
Top In-App Purchases : Full Version - included.
Supported Operation Systems
macOS 10.10 or later