Switch is one of the most stable and comprehensive multi format audio file converters available and is very easy to use.

Universal audio converter supporting all popular formats
Convert or compress sound files within minutes of downloading
Includes batch audio converter to convert thousands of files
Extract audio from any media file including video

Switch Audio Converter Features

Batch converting to convert many audio files at once
Import and convert a playlist (m3u and pls)
Import video files and extract audio (avi, mov, mpeg)
Extract and convert audio from DVDs
Customizable right-click "Quick Convert" options
Convert from multiple file formats at one time
Access online database to add song information
Listen to tracks prior to conversion
Automatically normalize audio while converting
MP3 encoder supports constant or variable bit rates when converting to mp3
WAV encoder and flac converter supports a range of sample rates
Use as a command line plugin for automation with software to convert or compress audio files

Home:

http://www.nch.com.au/switch/index.html

Download:

http://rapidgator.net/file/156fc8710aa90be53828e58296efe487/NCH.Switch.Sound.File.Converter.Plus.v4.37-LAXiTY.rar.html
http://ul.to/fj1rko8b