Free Convert MP3 to AMR OGG M4A AAC - Version 4.0 Free Convert MP3 to AMR OGG M4A AAC Converter is the easiest and professional mp3 audio converter. Powerful Free Convert MP3 to AMR OGG M4A AAC Converter can help you convert mp3 to almost all popular audios as aac, ac3, amr, ogg, wav, m4a with extremely fast speed and super sound quality. Owning the software, you can convert mp3 to popular player compatible audio formats and enjoy them on the go.It has the optimized default settings. Also, you can adjust the output effect by editing audio quality, sample, channel etc to meet your special needs. Main Functions:Excellent mp3 audio converter. Convert mp3 to aac, ac3, amr, ogg, wav, m4a with impressive fast speed and super audio quality.Excellent convert audios to the popular portable players compatible formats. It is an easy MP3 audio format converter.