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ESP32-A1S Wi-Fi + BT Audio Development Kit

(1 customer review)

29,70 /24,75 excl. VAT

Available via backorder

  • Free shipping from € 74,95 NL. (€ 99,95 BE / DE)
  • Ordered before 16:00 tomorrow at home
  • Express ordered before 11:30 am tonight at home*
  • 14 days free return *
  • Can also be collected from us in Leusden!
Item: IOT1008 categories: ,

Description Esp32 Audio development kit

The core part of the ESP32 Audio kit is the ESP32-A1S module, which can work as a minimal independent system.
Most audio interfaces are distributed on both sides of the development board for easy access, including a 3,5mm headphone jack, a 3,5mm line-in jack, a pair of 2-pin headers for left / right speakers (up to 4Ω / 3W output), and a pair of built-in microphones.
The ESP32 Audio Kit is equipped with a dual-core Xtensa LX6 CPU (520 KB SRAM, 8 MB PSRAM), micro SD slot (up to 64 GB storage) and 802.11 b / g / n WiFi + Bluetooth 4.2 LE.
The ESP32 Audio Kit is compatible with Espressif's ESP-ADF framework, which supports Amazon Assistant from Google and Alexa.
It is an ideal solution for IoT Audio applications, it is suitable for smart home devices, smart audio, etc.


Features Audio development kit

  • Embedded LwIp and FreeRTOS.
  • Support Smart Config or Airkiss network connection with one click.
  • Support STA / AP / STA + AP working mode.
  • Charged by 5V / 2A power supply and 3,7V lithium battery.
  • Support 64G SD card reading and writing.
  • Left and right channel speakers support 4Ω 3W speaker output and meanwhile support two-channel output.
  • Two analog microphones are used as audio input and headset microphone input respectively.
  • 3,5mm headphone jack supports left and right channel output

Specifications Audio development kit

  • CPU: Xtensa® 32-bit LX6 dual-core processor, computing power up to 600 DMIPS
  • IO port: 10
  • SPI Flash: standard 32Mbit
  • RAM: 520KB SRAM + 8M PSRAM
  • Support interface: URAT, SPI, I2C, PWM
  • UART Baud Rate: default 115200 bps
  • Audio output: Supports 1-channel headphone output and 1-channel left and right speaker output
  • Audio input: support LINEIN and 2-way MIC input
  • Spectrum range: 2412 ~ 2484 MHz
  • WiFi 802.11: b / g / n / d / e / i / k / r (802.11n, speed up to 150 Mbps) A-MPDU and A-MSDU aggregation, support 0,4μs monitoring interval 2,4 ~ 2,5 GHz
  • Bluetooth: Bluetooth 4.2 BR / EDR and BLE standards, NZIF receiver with -98 dBm sensitivity, support AFH (Adaptive Frequency Hopping), support CVSD and SBC audio formats

Wiki & Docu:


1 rating for ESP32-A1S Wi-Fi + BT Audio Development Kit

  1. JvanLangen -

    It's a nice board, but the ESP-ADF development kit doesn't work with this board. I'm still figuring out how to do this.

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