For Industry
製品詳細
Wiki & 学習
レビュー
PDF をダウンロード

特長

Explore the full reSpeaker lineup. Compare specs, find your ideal fit, and catch the latest updates & community news. Check the reSpeaker Series Landing Page

 

 

 

 

 

Note: 

  • The reSpeaker Lite with no XIAO versions (107990273) come with factory-installed USB audio firmware.
  • The reSpeaker Lite with XIAO ESP32S3 versions (110061601) come with factory-installed I2S firmware for MCU integration.
  • If you want to buy a complete Voice Assistant Kit, please visit here. The kit offers options for different reSpeaker Lite models, speaker, and Acrylic Enclosure.
  • Pre-Soldered ESP32 Controller: A powerful XIAO ESP32S3 is pre-soldered via the I2S pins, offering a solderless experience for further development and integration.
  • Dual Microphone Array for Far-Field Voice Capture: The 2 high performance digital microphones capture and extract far-field speech and voice (up to 3 meters) even in noisy environments as it cancells point noise using two microphone input.
  • Onboard Audio front-end Algorithms: Powered by XMOS XU-316 AI sound and audio chip, the kit includes Natural Language Understanding algorithms for Interference Cancellation (IC)​, Acoustic Echo Cancellation, Noise Suppression, and Automatic Gain Control (AGC), enabling high quality voice capture.
  • Embracing Open Source: It's compatible with Arduino, PlatformIO, MicroPython, CircuitPython for furthur developement.
  • Compatible with Popular Voice Assistants: This kit allows you to build your own natural language processor and connect it to Home Assitant via ESPHome, Amazon Alexa Voice Service, Google Assistant, or Cloud Speech-to-Text service, enabling you to ask questions and issue voice commands to your programs.
  • Onboard RGB LED: The kit features a programmable WS2812 RGB LED, supporting custom effects and offering a visual interface for your applications.

仕様

  • General

Core Chip

XMOS XU316

Digital Microphones

High-Performance Digital Microphones * 2

Sensitivity

-26 dBFS

Acoustic Overload Point

120 dBL

SNR

64 dBA

Power Supply

USB 5V, External 5V

Dimensions

35*86 mm

Audio Output

Speaker Connector / 3.5mm Headphone Jack

Maximum Sampling Rate

16Khz

Speaker

Supports 5W Amplifier Speakers.

Processor

ESP32-S3R8

Xtensa LX7 dual-core, 32-bit processor running up to 240 MHz

Wireless

Complete 2.4GHz WiFi subsystem

BLE: Bluetooth 5.0, Bluetooth mesh

On-chip Memory

8M PSRAM & 8MB Flash

Interface

1x UART, 1x IIC, 1x IIS, 1x SPI,11x GPIO(PWM), 9x ADC, 1x User LED, 1x Charge LED

1x Reset button, 1x Boot button

Dimensions

21 x 17.5mm

Power

Input voltage (Type-C): 5V

Input voltage (BAT): 4.2V

Circuit operating Voltage (ready to operate):

- Type-C: 5V@19mA

- BAT: 3.8V@22mA

Charging battery current: 100mA

Low Power Consumption Model

(Supply Power: 3.8V)

Modem-sleep Model: ~ 25 mA

Light-sleep Model: ~ 2mA

Deep Sleep Model: ~ 14 μA

WiFi Enabled Power Consumption

Active Model: ~ 100 mA

BLE Enabled Power Consumption

Active Model: ~ 85 mA

Working Temperature

-40°C ~ 65°C

ハードウェア概要

  • Hardware Flowchart

  • Hardware Diagram

1

Dual Microphone Array

Provides high-quality audio input.

2

Power Indicator Light

Illuminates when powered on.

3

RGB Light

Programmable WS2812, provides visual feedback.

4

Mute Indicator Light

Lights up red when the mute button is pressed.

5

USR Button

User-defined button.

6

Mute Button

Mutes audio input when pressed.

7

XIAO ESP32S3

For further development and integration.

8

XU316 Core Processor

Responsible for audio processing and transmission.

9

External Power Supply Solder Pad

Supports external 5V power supply.

10

USB Type-C Port

Used for power and data transmission.

11

Speaker Connector

For audio output. Supports 5W amplifier speakers.

12

3.5mm Headphone jack

Output audio, We can plug active speakers or Headphones into this port.

13

External power pad 1

Unused IO pins on the XIAO ESP32.

14

External power pad 2

Unused IO pins on the XU316.

15

JTAG

For debugging and programming the XU316.

  • Pinout Diagram of XIAO ESP32S3

用途

  • Smart Speakers and Virtual Assistants: Work with Amazon Alexa and Google Assistant to improve voice command recognition.
  • Audio Processing Development: Suitable for projects involving audio signal processing and analysis.
  • Conference Systems: Ensures clear communication during video and audio conferences.
  • Voice-Bsed Remote Control Cars
  • Keywords Spotting and Wake up

ドキュメント

認証

HSCODE8543709990
USHSCODE8517180050
UPC
EUHSCODE8543709099
COOCHINA

部品リスト

reSpeaker Lite Voice Assistant Kit

1

We are putting the spotlight on Seeed's self-developed Home Assistant-compatible products, offering affiliates 10% commission on referred sales. Sign up to earn more today!

FAQ

When selecting a microphone array, consider: - Voice pickup requirements (e.g., far-field pickup distance, pickup direction) - Space limitations - Requirements for audio processing algorithms (e.g., noise suppression, AEC, AGC) - Compatibility with your platform (e.g., Raspberry Pi, ESPHome) reSpeaker provides a balanced solution across these aspects for many AIoT and voice AI use cases.
Yes. reSpeaker is well-suited for robotics and embodied AI applications, where voice serves as a key interaction interface. The reSpeaker microphone array series is available in various sizes and form factors, with customization options to meet the space constraints of different embedded projects. Its onboard acoustic algorithms, including advanced noise suppression, help address common challenges in robotics, such as interference from internal motors and servo noise. In particular, the reSpeaker Flex is designed specifically for robotics and embedded AI use cases. By separating the core board from the microphone array, and providing both linear and circular arrays, it provides greater flexibility for integration in space-constrained designs.
Yes. Depending on the setup, reSpeaker can be used with local voice processing pipelines, including offline wake word detection and edge AI workflows. This helps ensure low latency and better privacy compared to cloud-only solutions.
Yes. reSpeaker (XVF3800 / Lite) devices are well-suited for voice assistant projects and are compatible with popular platforms such as Home Assistant and ESPHome. With support for XIAO ESP32S3, they can be seamlessly integrated into ESPHome-based workflows and smart home ecosystems. For applications where wake word detection, speech-to-text, and voice control are important, reSpeaker provides far-field voice pickup, noise suppression, and high-quality audio input for more reliable performance. It also supports Linux-based systems, Raspberry Pi, Jetson, and Python development, making it a flexible solution for both DIY makers and professional developers building local voice assistants.
reSpeaker microphone arrays series are designed for far-field voice capture, typically supporting several meters of pickup distance depending on the environment. reSpeaker XMOS XVF3800 and reSpeaker Flex supports up to 5 meters. reSpeaker Lite supports up to 3 meters. Performance may vary based on noise levels, room acoustics, and placement.
A microphone array uses multiple microphones combined with advanced acoustic algorithms such as Acoustic Echo Cancellation (AEC), Automatic Gain Control (AGC), beamforming, and noise suppression to significantly improve sound input quality. Compared to a single microphone, it delivers better far-field voice pickup, clearer speech capture, and more reliable voice recognition in real-world environments. reSpeaker devices are specifically designed to perform well in complex or noisy scenarios such as living rooms, offices, industrial spaces, and robotics applications. The reSpeaker mic array series offers both 2-mic and 4-mic models, with multiple form factors including linear and circular arrays, as well as different mic spacing options (such as 44 mm and 66 mm), allowing users to choose the best solution for their application needs.

reSpeaker Lite 2-Mic Array Voice Kit, Compatible with ESPHome

SKU 110061601

Powered by XMOS XU316 AI Sound and Audio chipset, it is a high-performance open source voice assistant development kit. The kit integrates the reSpeaker Lite dual-microphone array and a powerful XIAO ESP32S3 processor, offering exceptional voice recognition, noise reduction, and voice processing capabilities thanks to its onboard AI NLU algorithms. This kit provides firmware integration with Home Assistant via ESPHome, making it ideal for smart voice assistants and home automation applications. 

Mic Array Numbers
Voice Processor
XIAO ESP32-S3
Case
JPY¥4733.00
Shipping and duties calculated at checkout.
  • Free Insurance Included On Us
  • Flexible Payments with PayPal Pay Later
  • Avoid Import Fees: Ship Tax-Free from Local Warehouses
  • 1 on 1 Support | 12-Month Warranty | 30-Day Return Policy