Audio Joiner Express is the best software for join popular audio files with exactly the same codec and codec parameters . It allows joining MP3, WMA, AAC, WAV, OGG, FLAC, APE, M4A, RA, RAM, AC3, MP2, AIFF, AU, AMR, OPUS and MPA formats. It is very easy to use without any special setting. Add unlimited audio files in the fast and easy setup interface. Join your audio files and keep all audio frames. Join your audio file without re-encoding it, so fast beyond your imagination.