Xilisoft Audio Converter is a powerful MP3/MP4/WAV Converter. It can convert between many popular audio formats, such as MP3, WAV, WMA, MP4, M4A, MP2, VQF, APE, OGG, AAC and FLAC etc. One of featured function is that Xilisoft Audio Converter supports converting m4a to mp3, mp4 to mp3. In addition, you can also use it to convert video formats including AVI, MPEG, WMV, ASF to all popular audio files. All conversion processes are very easy and fast. 1. With Xilisoft Audio Converter, you can make batch conversion; 2. you can copy ID3 tag between audio formats (reserve ID3 tag during conversion); 3. You can select the compression method, sample rate, bitrate, stereo or mono when converting your files; 4. you can select whether delete or keep the original files; 5. And when converting to MP3, bitrate, VBR or CBR, stereo or mono are selectable etc. In conclusion, with powerful functions, fast ripping and converting speed, excellent output quality, Xilisoft Audio Converter is recommended as a perfect product worthy of trying. And with our prompt and effectual One Business Day Email Service, you can be unhesitating to let us know if you have any questions about us and our products. Just download and enjoy this excellent product right now!