Mac users interested in Mp4 to mp3 switcher generally download:
Perform media conversion operations on your device. Work with files in popular and uncommon formats, create their full copies with no quality loss. Process items in AVI, MPEG, WMV, DivX, MP4, H.264/AVC, MKV, AVCHD, RM, MOV, ASF, 3GP, VOB, AVCHD, H.264/MPEG-4 AVC, HD AVI, AVCHD, HD MPEG4, HD MOV, etc.
Additional suggestions for Mp4 to mp3 switcher by our robot: