If you are looking for a way to convert AAX to MP3 on Mac OS X, M4P Converter is ultimate choice. MP3 format is well known for its compatibility across all devices like PC’s, Smartphones, Tablets and many more. To play the audible AAX files on other devices you need to remove DRM protection from AAX file and convert it to MP3. The AAX format is comes with a Digital Rights Management (DRM) protection, which limits the audibility to single device. It is also called as Audible Enhanced Audio, which has 32 - 128 kbit/s Bitrate with 22.050 - 44.10 kHz sample rate. AAX format is developed by which is a standard for high quality bit rate. For quick reference in this article I will explain what AAX format is. This article is a quick guide for you to convert DRM-protected AAX audiobooks to MP3 on Mac with M4P Converter. Although most of the AAX audiobooks from Audible Store are protected by DRM restriction.