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Elecrow ESP32-A1S Wi-Fi+BT Audio Development Kit

Elecrow ESP32-A1S Wi-Fi+BT Audio Development Kit

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Regular price Rs. 5,942
Regular price Rs. 7,999 Sale price Rs. 5,942
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  • Embedded LwIp and FreeRTOS for seamless operation.
  • Support Smart Config or Airkiss for easy network connection setup.
  • Supports STA/ AP/ STA+AP working modes for versatile connectivity.
  • Compatible with 64GB SD cards for extensive storage capabilities.
  • Dual speaker output with 4Ω 3W output for immersive audio experience.
  • Features two analog microphones for audio input versatility.
  • 3.5mm headphone jack supports left and right channel output.

Elecrow ESP32-A1S Wi-Fi+BT Audio Development Kit

The ESP32-A1S Wi-Fi+BT Audio Development Kit is the ultimate solution for IoT audio applications.

It incorporates cutting-edge features such as Embedded LwIp and FreeRTOS, ensuring smooth performance. With support for Smart Config or Airkiss, network connection setup becomes effortless.

The kit offers extensive storage options with compatibility for 64GB SD cards. Dual speaker output with 4Ω 3W output delivers an immersive audio experience.

Additionally, it features two analog microphones for versatile audio input and a 3.5mm headphone jack supporting left and right channel output.

Made for smart home devices, smart audio, and more, the ESP32-A1S is the perfect choice for your audio development needs.


  • Embedded LwIp and FreeRTOS.
  • Support Smart Config or Airkiss one-click network connection.
  • 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 output 4Ω 3W speaker output, and support dual channel output at the meantime.
  • Two analog microphones are used as audio input and headset microphone input respectively.
  • 3.5 mm headphone jack supports left and right channel output.

Package Includes:

  • ESP32-A1S Wi-Fi+BT Audio Development Kit x 1


CPU Xtensa® 32-bit LX6 dual-core processor
IO Port 10
SPI Flash Default 32Mbit
Support Interface UART, SPI, I2C, PWM
UART Baudrate Default 115200 bps
Audio Output Support 1 channel headphone output and 1 channel left and right speaker output
Audio Input Support LINEIN and 2-way MIC input
Spectrum Range 2412~2484MHz
WiFi 802.11 b/g/n/d/e/i/k/r (802.11n, speed up to 150Mbps)
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

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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  • 🚚 Free shipping on orders above Rs 500/-

  • 🛠️ Dedicated Technical Support Team

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