About the M4A to MP3 Converter OS X
M4A to MP3 Converter OS X is a powerful M4A converter, professional to convert m4a to mp3 format for Mac OS X users. It is also ideal to convert M4A files to WMA, WAV files etc. In addition, you can use the program to extract audio from video files. The program is easy to use, just select the files and output format.
Though it is a powerful m4a converter for os x, it does not means that it can just provide conversion function. As a best converter selected by the audio/video editors, the M4A to MP3 Converter OS X can also let you select bit rate,audio codec, sample rate etc. and modify the name and path of output files.
Note: the above mentioned software only support Apple Mac os x system, if you want such a software running on Microsoft windows, please Get its windows version here .
Introduction to Use the M4A to MP3 Converter OS X
Step 1. Click the "Add File(s)" button to load m4a files. You can add more than one files each time. Beside, the "Remove" button next to it can be used to delete file(s).
Tip: You can prelisten the file(s) by clicking the "Prelisten" button as shown below
Step 2. Choose output format. The Profile zone has a drop-down button, click it, then a dialogue box will appear. You will see how powerful the M4A to MP3 Converter OS X is because there are so many formats you can convert to or from. Choose MP3 as shown below:
Step 3. Select destination folder. In order to save your time from looking for the converted file(s) after conversion, you'd better choose a folder to store it/them.
Click the "Browse" button.
Specify a destination folder.
Step 4. You can customize your file(s) by
a. Pressing the 'Settings" button to modify the name and path of output files.
b. Clicking the "Edit" button on the tool bar. You can trim your file(s) by dragging the slider.
Step 5. Begin to onvert m4a file(s) to mp3 now. Click 
button to get the conversion task started. The special M4A to MP3 Converter can let you stop or pause the conversion work at any time during the conversion progress as well. And the the conversion progress will be shown by the blue bar at the bottom of the interface.
Note: You should check the file(s) you want to convert before converting.
Step 6. Open the destination folder or just click the "Open" button next to "Browse" to open the converted mp3 files and enjoy it immediately.