MP3 Splitter Joiner Pro can split, cut, trim a large MP3 file into multiple smaller pieces, and join, merge multiple MP3s into a single file. You can split a MP3 file by file size, pieces count, time or custom selections.

Ссылка: http://www.tomp..ad/audio/utilities-plug-ins/download/MP3-Splitter-Joiner-Pro.exe