Professional DRM remover which can convert DRM protected M4P, M4V, M4A, M4B, AAC files to unprotected AVI, MP4, WAV, MP3, AAC, OGG,APE, WMA, etc, inter-converts non-protected audio formats like MP3, WMA, OGG, M4B, AAC, AC3 and WAV, support batch conversion mode with fast speed and excellent output quality, afford various standard output formats required by most popular portable devices as iPod, iPhone, Zune, PSP, MP3 player.