ESP32 Audio Project - Part II: Bluetooth Receiver Add-on - Hackster.io
GitHub - pschatzmann/ESP32-A2DP: A Simple ESP32 Bluetooth A2DP Library (to implement a Music Receiver or Sender) that supports Arduino, PlatformIO and Espressif IDF
GitHub - cfint/esp32-a2dp-sink: ESP32 A2DP sink with extra codecs