ESP32- A1S is an ultra-small, powerful volume multifunction audio module, the main chip uses a low-power dual-core 32-bit CPU, the main frequency can up to 240MHZ, and the operating capability up to 600 DMIPS. It has a built-in Codec AC101 audio decoding chip, supports for local music playback. The ESP32-A1S module supports a variety of peripherals, you can easily access Amazon or Baidu voice recognition services, it supports varieties of mainstream compression and lossless audio formats, including M4A, AAC, FLAC, OGG, OPUS, MP3,etc.
The ESP32-A1S can be widely used in varies IOT applications, suitable for home smart devices.