ESP32 Audio Kit ESP32 Aduio Development Board WiFi Bluetooth Module Low Power Dual core with ESP32 A1S 8M PSRAM Serial to WiFi|Integrated Circuits| - AliExpress
A Simple Arduino Bluetooth Music Receiver Library for the ESP32 - Phil Schatzmann
A Simple Arduino Bluetooth Music Receiver Library for the ESP32 - Phil Schatzmann
ESP32 Audio Kit ESP32 Audio Development Board WiFi Bluetooth Module Low Power Dual Core with ESP32 A1S 8M PSRAM Serial to WiFi|Wireless Module| - AliExpress
Olimex Drops ESP32-ADF Board for Audio Applications - Hackster.io
ESP32 as BT receiver with DSP-capabilities | Hackaday.io
Bluetooth Audio Transmitter & Receiver Board EMBT-S02 - ElectroDragon
ESP32 web radio /audio BT receiver /w class-D amp from microwavemont on Tindie
ESP32 Bluetooth Classic with Arduino IDE - Getting Started | Random Nerd Tutorials