TunesKit Audiobook Converter helps audiobook lovers easily convert M4B, M4A, AA, AAX audiobooks that are purchased from iTunes, Audible.com to commonly used MP3, AAC, WAV, FLAC, M4A formats compatible with any media playing devices at 30x faster speed with original ID3 tags and chapter info preserved. With this smart Audiobook Converter tool, users are able to enjoy any audiobook files on iPod, Zune, Creative Zen, PSP and other media devices.