AIMP Portable is a free audio app that includes features for playing, mixing and recording sound files. Its editing formats include echo and reverberation effects, alterations to speed, and anything else that a typical user will need for basic audio mixing. The app is compatible with the majority of popular audio formats including MP3, OGG, WMA, WAV and MOD. Being free and portable, it will be just the thing for any user who wants to edit audio on-the-go.