Pass audio from input line to speaker output with Mp3 Shield VS1053 - Programming Questions - Arduino Forum
GitHub - madsci1016/Sparkfun-MP3-Player-Shield-Arduino-Library: A nice and neat library for playing MP3s on your Arduino using Sparkfun's MP3 Player Shield
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 :
MP3 Shield for Arduino - VS1053 module - CRCibernética
MP3 Player Shield, OSHW In Fritzing Library, SparkFun - Kamami on-line store
VS1053 MP3 Shield with Arduino Uno - Robocraze
Mp3 Shield For Arduino - Share Project - PCBWay
Arduino MP3 shield board with TF card - Geeetech Wiki
Buy MP3 Player VS1053 Shield - Shield for Arduino Botland - Robotic Shop