{"title":"ESP32-A1S Wi-Fi+BT Audio Development Kit","handle":"esp32-a1s-wi-fi-bt-audio-development-kit","url":"/products/esp32-a1s-wi-fi-bt-audio-development-kit","description":"The ESP32-A1S Audio Development Kit is a feature-rich audio development board built around the ESP32-A1S module. It includes a dual-core Xtensa LX6 processor, Wi-Fi, Bluetooth 4.2, and a complete set of audio interfaces — making it an all-in-one platform for building smart speakers, voice assistants, and IoT audio devices.\n\nAudio I/O is distributed on both sides of the board for easy access, including a 3.5 mm headphone jack, 3.5 mm line-in jack, two built-in microphones, and speaker header pins supporting up to 4Ω/3W output per channel. The board is compatible with Espressif's ESP-ADF framework, which offers support for Google Assistant and Amazon Alexa integration.\n\nKey Features\n\n\nESP32-A1S Module – Dual-core Xtensa LX6 CPU, up to 600 DMIPS\n\nWi-Fi 802.11 b/g/n – Up to 150 Mbps, 2.4 GHz band\n\nBluetooth 4.2 – BR/EDR and BLE with CVSD and SBC audio codec support\n\nAudio Output – 3.5 mm headphone jack + stereo speaker headers (4Ω/3W per channel)\n\nAudio Input – 3.5 mm line-in jack + 2× built-in analogue microphones\n\nMicroSD Slot – Supports up to 64 GB cards\n\n8 MB PSRAM – Additional memory for audio buffering and processing\n\nDual Power Options – 5V/2A USB or 3.7V lithium battery\n\nSmart Config / AirKiss – One-click Wi-Fi network provisioning\n\nSTA / AP / STA+AP Modes – Flexible wireless operation\n\n\nSpecifications\n\n\nCPU – Xtensa 32-bit LX6 dual-core, up to 600 DMIPS\n\nSRAM – 520 KB + 16 KB RTC SRAM\n\nPSRAM – 8 MB\n\nSPI Flash – 4 MB (32 Mbit)\n\nI/O Ports – 10\n\nInterfaces – UART, SPI, I2C, PWM\n\nDefault UART Baud Rate – 115200 bps\n\nWi-Fi – 802.11 b/g/n, 2412–2484 MHz, A-MPDU and A-MSDU aggregation\n\nBluetooth – 4.2 BR/EDR + BLE, −98 dBm sensitivity, AFH\n\n\nIdeal For\n\nSmart speakers and voice assistant devices\nIoT audio streaming applications\nSmart home audio controllers\n\n\nPackage Contents\n\n1× ESP32-A1S Wi-Fi+BT Audio Development Kit\n\n\nResources\n\nESP-ADF Documentation\nUser Guide (GitHub)\n","vendor":"Elecrow","product_type":"physical","in_stock":false,"options":[],"variants":[{"id":3925,"title":"Default Title","sku":"EC-DTE01016K","price":40.06,"compare_at_price":0.0,"on_sale":false,"in_stock":false,"available_quantity":0,"option1":"Default Title"}]}