4U Audio Converter can convert audio files between MP3, MP2, MP1, MPEG, WAV, OGG, WMA and VOX formats. It includes all the features of Quick MP3 WAV Converter, and has the ability to convert to or from OGG, WMA, VOX audio files. Also Quick All Audio Converter has a build-in audio player to play MP3, MP2, MP1, MPEG, WAV, OGG, WMA, VOX audio files.