From Cool Converter:
Cool Audio to AMR Converter is an all-in-one and professional AMR audio conversion software. With Cool Audio to AMR Converter, you can convert almost all media including AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV and FLV video and MP3, AAC, AC3, AMR, M4A, OGG, and WAV audio to AMR audio format. It provides optimized default setting, just a click to start conversion. This version is the first release on CNET Download.com.