NoteBurner Audiobook Converter for Mac is a Mac audiobook converter which helps you to convert audiobook to MP3 and convert audiobook to AAC. The audiobooks can be either AA formats from audible or M4B formats from iTunes store. That is to say, with NoteBurner audiobook Converter for Mac, you can convert AA to MP3, AA to AAC, M4B to MP3 and M4B to AAC. The premise of converting DRM protected AA audiobooks with the Mac audiobook converter is that you are authorized to play the audiobooks with iTunes. The Mac audiobook converter doesn't crack the DRM protection, thus it keeps you on the legal side. The Mac AA to MP3 Converter records the audiobooks at 5x speed in the background. You can use the Mac AA to MP3 Converter to batch convert your purchased audiobooks. All the ID tags will be preserved in the output MP3 files.