Switch is a sound file converter for Mac. It can convert audio files from many sources into mp3 or wav format. Switch Converter is very easy to use. Just add the files you want to convert to the list, select the format you want to use, and then click the convert button.

Features
~Automatically normalise audio while converting.
~Access online database to add song information as you convert.
~Import multiple file formats at the same time and convert to one output format.
~Ability to play tracks prior to conversion.
~Import video files and extract audio (avi, mov, mpeg)
options.
~MP3 encoder supports constant or variable bit rates from 8 to 320kbps with optional error correction and stereo modes.
~WAV encoder supports sample rates between 6000 and 196000Hz in PCM as well as a number of other audio codecs.
~Allows up to 32000 files to be converted in one batch.
~Optimized CPU usage and efficient code allows for fastest conversion times.

About NCH Software

NCH Software is a leader in audio, video, music, mp3, cd, dvd, telephony, dictation, transcription, business, and computer utility software for Windows, Palm, Pocket PC and Mac OS X. NCH has released over 80 products since 1993 and have received many awards for software excellence. Download Software for DJ, broadcast, stream, record, edit, convert, burn, mix, split, tag, rip and play audio files for wav, mp3, and other popular file formats.

Download for Mac Intel: http://www.nch.com.au/switch/switchmaci.zip
Download for Mac PowerPC: http://www.nch.com.au/switch/switchmac.zip