Letting Audacity convert M4A to MP3 takes a complicated installing process. For new users, the technical terms have unavoidably increased the complexity. On top of that, if you need to convert many audio tracks in Audacity, it can be time-consuming unless you apply the Audacity Apply Chains features, which needs further settings. So how to easily change audio formats? WonderFox HD Video Converter Factory Pro will solve the problem. It is a powerful yet simple video converter offering the most efficient and overall solutions to video & audio conversions. The following part shows you how convenient it is for M4A to MP3 conversion.