OJOsoft M4A Converter – free trial
OJOsoft M4A Converter is an easy to use conversion program which can convert M4A files to MP3, MP2, 3GP audio, OGG, WMA, MP4 audio, AAC, AC3, WAV and convert other audio files to M4A format with fast speed and good output quality. It even provides you the option to select bit rate, audio codec, sample rate, etc.
OJOsoft M4A Converter has all the decoders and encoders built in, and all the supported format can be converted without downloading any more codec.
OJOsoft M4A Converter is virus-free. It is safe and quick to install.