Happiness CDA M4A MPC to Audio Copier is an excellent CDA to MP3 converter which can convert CDA to MP3 and also a powerful CD to MP3 ripper which can rip CD to MP3 fast and easily. Free download is available. It also supports four channels mode including Stereo, Join Stereo, Mono and Dual Channel. It rips audio CD tracks and saves them into audio formats such as mp3, wav, wma (Windows Media Audio), VQF (Yamaha SoundVQ), orOGG Vorbis, converts MP3, WAV, WMA, OGG Vorbis from one to another on-the-fly, resamples MP3 to MP3, WAV to WAV, WMA to WMA, OGG to OGG for changing bitrates, frequency, and other options. MP3 Encoder supports CBR (Constant Bit Rate) and VBR (Variable Bit Rate). It's fast, easy to use while powerful.