1)   OJOsoft WMA Converter 2.7.4
It supports converting WMA to audio files,such as MP3, OGG, MP2, M4A, MP4(audio only), AAC, AC3, WAV. Also, it provides an easy way to convert all the popular video and audio files to WMA.

 2)   RER WMA Converter 3.7.4
RER WMA Converter is an easiest to use WMA conversion application for you to convert almost any video/audio formats to WMA and convert WMA to all popular audio formats, such as MP3, WAV, OGG, M4A, AAC, with super fast speed and great output quality.