VLC Media player also supports batch conversion option so you can convert multiple files very easily even 320kbps and 128kbps multiple files without losing quality.

VLC android Apk and VLC app for iOS is available for Google Play Store and Apple App Store respectively.

In this video we will se how to convert MA4 file to mp3 file using VLC media player.VLC Media Player is available for free on Windows (Windows XP, Windows Vista,Windows 7, Windows 8, Windows 8.1,Windows 10,Windows Phone,Windows Server includes all 32bit and 64bit Version ) Mac OS X, iOS, Apple TV,GNU/Linux( Debian,Ubuntu((Ubuntu 16.10,Ubuntu 16.10 Desktop (64-bit) ,Ubuntu 16.10 Desktop (32-bit) ,Ubuntu 16.10 Server (64-bit),Ubuntu 16.10 Server (32-bit) Ubuntu 16.04.2 LTS,Ubuntu 16.04.2 Desktop (64-bit) ,Ubuntu 16.04.2 Desktop (32-bit) ,Ubuntu 16.04.2 Server(64-bit) ,Ubuntu 16.04.2 Server(32-bit) Ubuntu 14.04.5 LTS,Ubuntu 14.04.5 Desktop (64-bit) ,Ubuntu 14.04.5 Desktop (32-bit) ,Ubuntu 14.04.5 Server (64-bit) ,Ubuntu 14.04.5 Server (32-bit),Mint,openSUSE,Gentoo Linux,Fedora,Arch Linux,Slackware Linux,ALT Linux,Red Hat Enterprise Linux)Android, Chrome OS, FreeBSD, NetBSD, OpenBSD, Solaris, QNX, Syllable, OS/2 to download.VLC Media player is free open source software.VLC media Player is Available for free on videolan website online.Conversion Option available in Audio- vorbis (OGG), Audio - FLAC, Audio - CD and more you can change in options.This freeware is also available on cnet to download.You can convert your audio,music,sound and songs anytime because process is offline and does not require internet connection.If you are out of your home with your portable device without internet this is best free software available today to convert M4A files to mp3 files.If you are interested in another software than VLC you can also use ffmpeg, audacity and format factory softwares to do your converting job.You can easily find these software using Google I am also providing links, ffmpeg Link- /. M4A to mp3 audio converter - /vlc/index.html

M4a to mp3 converter