MP3 vs MP4-A Recommendation for the Video Converter
CD vs MP3 Sound Quality
Amazon.com: SparkFun MP3 Player Shield- MP3 decoder- Turn Any Compatible with Arduino Board into a Fully Functional MP3 Player- 3.5mm Audio Out Jack- 0.1" Spaced Header for Speaker Out- microSD Card Slot :
COBY COMPACT MP3 STEREO SPEAKER SYSTEM - CS-MP87 - RC 6036 | eBay
GitHub - aliashfak178/CS-MP3-Player: MP3 Player Application Using C#