The MP2 file and other MPEG-2 files that only carry audio data are closely related to the MPA file. MPA files are renowned for their extremely tiny file sizes and ability to maintain audio with little to no quality loss.
MPA files are audio files that have been compressed using MPEG-2. Users can use this compression technique to shrink the size of an audio file while maintaining the audio’s overall quality. Prior to being updated to MPEG Layer II and then MPEG Layer III, MPA was based on the MPEG Layer I coding standard.
list of programs that can open MPA documents:
Apple iTunes (Windows, Mac)
Apple QuickTime Player (Windows, Mac)
Microsoft Windows Media Player (Windows)
RealNetwork RealPlayer Cloud (Windows, Mac & Linux)
VideoLAN VLC media player (Windows, Mac, Linux & iOS)