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