1)   Free M4a to MP3 Converter 6.0
Free M4a to MP3 Converter is a free and narrowly focused application with an intuitive interface allowing you to convert M4A and AAC to MP3/WAV and immediately listen to the converted music with the help of the built-in player. Check it out now!

 2)   MusicBoxTool 2.4.6
MusicBoxTool - convert music from all popular audio formats to MP3,WMA,OGG,AAC,MusePack(MPC),FLAC,WAV,APE, select files from your audio collection at random,compress music.