Bikisoft M4A Audio Converteris a professional tool for M4A conversion, which could convert almost any video/audio files to M4A audio formats.It could also work as common M4A Encoder, which helps to Encode audio files to M4A format with high speed and adjustable quality.
As an excellent Audio and Video Converter, this M4A Converter has wonderful user interface which make it very easy to use. With the built-in player, you could preview video and listen to the music before convert.