Macsome audio splitter for mac could split big audio files in unprotected mp3 or aac file format to multiple smaller pieces in a few seconds. The id tags of audiobook will be preserved, and the sound quality will be kept untouched while splitting. It supports batch splitting audio files to small pieces with id tags preserved. The splitting speed is unbelievably fast. Macsome audio splitter for mac could only split unprotected mp3 or aac files. If you want to split audio book files you purchased, such as audile aa files, you may need to try our macsome audiobook converter for mac.