With TunesKit DRM Audiobook Converter for Mac, you can easily remove DRM protection from iTunes and Audible audiobooks and convert the DRM-ed M4A, M4B, AAX, AA audio books to non-DRM MP3, AAC, WAV, M4A and FLAC so that you can freely enjoy any audio book file on multiple media player as you wish including iPod, iRiver, PSP, Creative Zen, etc with original CD quality, ID3 tags and chapter information preserved.