MP3Gain(mp3音量增大软件)是一款功能强大的MP3音量增大软件，MP3Gain支持调节单个声道，MP3Gain不仅能调整单首MP3的音量，也能平衡整张专辑的音量，而且，MP3Gain能够在刻录光盘前，将所有MP3歌曲的音量分析并调整到相同大小，这样就不用每次都调整音量了，方便又实用

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)
Support batch adjustment
Compatibility: OS X 10.10 or later, 64-bit processor