The DFPlayer Mini MP3 Player For Arduino is a small and low price MP3 module with an simplified output directly to the speaker. The module can be used as a stand alone module with attached battery, speaker and push buttons or used in combination with an Arduino UNO or any other with RX/TX capabilities.
Manual
https://www.dfrobot.com/wiki/index.php/DFPlayer_Mini_SKU:DFR0299
The BY8001-16P is a compact, high quality MP3 module. The BY8001’s master chip (SSOP24) supports decoding MP3 and WAV formats. The Module also has built-in TF card holder, and supports replacement audio content by an external USB stick using USB data cable. The module also has a built-in 3w power amplifier that can directly drive a single 3W speaker.
Manual
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