$16 ESP32-A1S ESP32 Audio Development Kit Comes with 2 Microphones, Audio Jacks & Headers - CNX Software
Espressif ESP32 LyraTD MSC HDK is Designed for Smart Speakers, Wireless Audio and other Smart Home Appliances - CNX Software
I2S Communication on ESP32 to Transmit and Receive Audio Data Using MAX98357A
Amazon.com: Waveshare ESP32 One A Mini Development Board with WiFi/Bluetooth Support Image Recognition Voice Processing Compatible with Sorts of Raspberry Pi Hats (Include Camera Module) : Electronics
T-watch Esp32 Programmable Watch Microphone Ips Touchable With Wifi Bluetooth Vibration Motor Spea | Fruugo NO
ESP32-LyraTD-DSPG Audio Development Board ESP32 ESP32-WROVER-B Bluetooth WiFi Module ESP DBMD5P DSP Chip Audio Playback Module Board for Alexa Dialogflow GVA Audio Service Smart Home : Amazon.in: Computers & Accessories
Amazon.com: ACEIRMC INMP441 Omnidirectional Microphone I2S Interface Digital Output Sensor Module Supports for ESP32 (2pcs) : Musical Instruments
Ai Smart Far-field Online Voice Recognition Dual Microphone Dueros Development Board Esp32 Bluetooth Wifi Networking - Air Conditioner Parts - AliExpress
ATOM Echo: ESP32-based Miniature Programmable Smart Speaker by M5Stack | Espressif Systems
Raspberry Pi - ESP32 One, mini Development Board with WiFi / Bluetooth including Camera
ESP32 Mic Testing With INMP441 and DumbDisplay : 7 Steps (with Pictures) - Instructables
ESP32-LyraTD-DSPG Audio Development Board - Espressif Systems | Mouser