Ai-Think ESP32-A1S Audio Module
The ESP32-A1S main chip uses a low-power dual-core 32-bit CPU with a main frequency of 240MHz and a computing power of 600DMIPS.
Built-in CodeC audio decoder chip to support local music and recording
Supporting two-way MIC input and Linein input
Support headphone and speaker output
Built-in 520KB SRAM, external 4M PSRAM
Supporting SoftAP and Station patterns
Very small 802.11b/g/n Wi-Fi+BT/BLE SoC module
Support UART/SPI/I2C/I2S/PWM/ADC/DAC, etc.
Support firmware upgrade (FOTA)
Antenna support board antenna or IPEX pedestal output
Support a variety of mainstream compression and lossless audio formats, including M4A, AAC, FLAC, OGG, OPUS, MP3, WAV…