# ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation # SPECIFICATIONS Brand Name: Waveshare High-concerned chemical: none Model: ESP32-S3-AUDIO-Board Origin: Mainland China Type: ESP Series ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Microphone Array, Supports Noise Reduction And Echo Cancellation, Surround RGB Lighting, Supports Connecting External LCD Displays And Cameras ESP32-S3 AI Smart Speaker Development Board Dual microphones | AI Speech | Surround RGB Lighting Supports Noise Reduction And Echo Cancellation. Onboard LCD and DVP interfaces for connecting external displays and cameras ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-1.jpg) ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-3.jpg) Features The **ESP32-S3-AUDIO-Board** is based on the ESP32-S3 with 2.4GHz Wi-Fi and Bluetooth 5 (LE) support, integrates high-capacity Flash and PSRAM, built-in dual microphones, speaker, surround RGB LEDs, onboard multiple interfaces. It enables the rapid development of smart devices such as AI speakers, voice interaction systems, HMI screens and camera applications. - **High-performance MCU**: Adopts ESP32-S3R8 module with Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency - **Wireless Connectivity**: Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna - **Storage Resources**: Integrated 512KB SRAM, 384KB ROM, 8MB PSRAM, and external 16MB Flash memory - **Voice Interaction**: Dual microphone array with noise reduction and echo cancellation, suitable for accurate speech recognition and near/far-field wake-up - **Clock Management**: Integrated PCF85063 RTC chip, supports power-off time retention for alarm, scheduled task, and wake-up functions - **Colorful Lighting Effects**: Onboard 7x surround RGB LEDs, programmable for a variety of dynamic effects - **HMI Interfaces**: Multiple reserved buttons and battery switch for customized function development - **Expansion Interfaces**: - SPI LCD display interface (FPC connector / pin header) - DVP camera interface (24pin connector) - USB, I2C, and some I/O pins (compatible with display interface I/O pins) - **Multimedia Features**: Onboard audio decoding chip, dual microphones and speaker header - **Storage Expansion**: Onboard TF card slot for storing audio files, etc. - **Power Management**: Built-in battery recharge management module, supports multiple power modes and low-power applications Version Options ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-5-1.jpg) **ESP32-S3-AUDIO-Board-EN** Standard version, without Lithium battery ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-5-2.jpg) **ESP32-S3-AUDIO-Board** Comes with a MX1.25 3.7V Lithium battery (can be installed inside the case) Onboard Audio Input/Output Supports high-quality audio processing, providing clear and high-quality audio input and output. Equipped with the offline voice model we provided to realize device control via customizable shortcut commands ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-7.jpg) ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-9.jpg) Supports AI Speech Interaction Allows access to online large model platforms such as DeepSeek, Doubao, etc ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-11.jpg) Supports external LCD displays & cameras Onboard LCD interface, compatible with Waveshare 1.47inch / 2inch / 2.8inch / 3.5inch LCDs and other SPI displays. Onboard DVP interface, compatible with ESP32 OV2640 / OV5640 cameras ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-13.jpg) \* for reference only, please refer to the Package Content for the detailed part list. What's On Board ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-intro.jpg) 1. **ESP32-S3R8** dual-core processor, up to 240MHz operating frequency 2. **TCA9555PWR** GPIO expander chip 3. **PCF85063 RTC chip** 4. **Buttons** 5. **USB Type-C port** 6. **Charge indicator** Lithium battery charge indicator, lights up when charging, off when fully charged (the light status is uncertain when the battery is not connected) 7. **Battery switch** 8. **18PIN display interface** for connecting to displays with corresponding pinout 9. **Camera interface** for connecting to cameras with corresponding pinout 10. **TF card slot** 11. **Microphones** 12. **PIN header** Compatible with display interface I/O pins 1. **IPEX1 connector** for connecting external antenna, enabled via resoldering an onboard resistor 2. **Onboard ceramic antenna** 3. **Amplifier chip** 4. **ES8311 chip** 5. **16MB flash** 6. **RTC battery header** for connecting rechargeable RTC battery 7. **ES7210 chip** 8. **MP1605GTF-Z** power module, supports up to 3.3V 2A output 9. **Battery recharge manager** 10. **7x surround RGB LEDs** 11. **MX1.25 battery header** MX1.25 2PIN connector, for 3.7V Lithium battery, supports charging and discharging 12. **Speaker header** Interfaces Definition ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-inter.jpg) Outline Dimensions ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-details-size.jpg) Resources & Services ![](https://www.waveshare.com/img/devkit/LCD/common/res_banner.png) **Wiki:**  www.waveshare.com/wiki/ESP32-S3-AUDIO-Board PACKAGE CONTENT **Weight:** 0.142 kg \* the MX1.25 3.7V Lithium battery is optional. 1. ESP32-S3-AUDIO-Board x1 2. OPTIONAL Lithium battery x1 1 ![](https://www.waveshare.com/img/devkit/ESP32-S3-AUDIO-Board/ESP32-S3-AUDIO-Board-2_220.jpg) 2 ![](https://www.waveshare.com/img/devkit/general/battery_93.jpg) ## Details - **Price:** 41.37 EUR - 42.93 EUR - **Vendor:** Tidesmit - **Tags:** smart speakers ## Variants | Variant | Price | Available | |---------|-------|-----------| | with battery | 42.93 EUR | In stock | | without battery | 41.37 EUR | In stock | ## Images - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation - ESP32-S3 AI Smart Speaker Development Board, Onboard Dual Digital Microphone Array, Supports Noise Reduction, Echo Cancellation --- > Source: [Tidesmit](https://tidesmit.com/products/esp32-s3-ai-smart-speaker-development-board-onboard-dual-digital-microphone-array-supports-noise-reduction-echo-cancellation) > Updated: 2026-08-31