🎙️✨ Smart Voice Assistant Development Kit combines powerful voice processing 🧠 and clear audio playback 🔊 in one sleek package. Perfect for building your own voice assistant or smart home projects!
🧩 The kit includes:
- 🛠️ ReSpeaker Lite (with XIAO ESP32S3 pre-soldered)
- 📦 Mono Enclosed Speaker for rich sound output
- 🧱 Laser-cut Acrylic Enclosure – easy to assemble, stylish, and acoustically optimized
🏡 Ideal for smart home automation, AI voice projects, and rapid prototyping 🤖.
🌟 Features
- 🎤 Dual Microphone Array – Far-field voice capture up to 3m, even in noisy environments
- 🧠 Onboard AI ASR Algorithms – Powered by XMOS XU316 , supporting IC, AEC, NS, VNR, AGC
- 🔌 Open Source Friendly – Compatible with Raspberry Pi, PC (UAC2), XIAO ESP32S3, and Adafruit QT Py via I2S
- 🔊 High-Quality Audio Output – 5W Mono Enclosed Speaker for clear sound
- 🧱 Acrylic Acoustic Enclosure – Matte black, laser-cut, enhances audio performance
- 🏠 Smart Home Integration – Works with Home Assistant via ESPHome , Alexa, Google Assistant
- 💻 Developer Friendly – Supports Arduino, PlatformIO, MicroPython, CircuitPython
📊 Specifications
| Microphones | 2 × High-Performance Digital Microphones |
| Sensitivity | -26 dBFS |
| Acoustic Overload Point | 120 dBL |
| SNR | 64 dBA |
| Far-Field Capture | Up to 3m |
| Audio Output | Speaker Connector / 3.5mm Jack |
| Power Supply | USB 5V / External 5V |
| Dimensions | 92mm × 42mm × 95mm |
| Weight | 200g |
| Processor (Optional) | XIAO ESP32S3 – Dual-core Xtensa LX7, WiFi + BLE, 8M PSRAM & 8MB Flash |
| Audio Chip | XMOS XU316, 16kHz sampling |
| Speaker | Mono Enclosed Speaker, 4Ω, 5W, 88±3dB SPL |
| Enclosure | Acrylic, Matte Black |
🔧 Hardware Overview
🧩 Applications
- 🔊 Smart Speakers & Virtual Assistants – Works with Alexa & Google Assistant
- 🎧 Audio Processing Development – Signal analysis, filtering, real-time processing
- 💼 Conference Systems – Clear communication in meetings
- 🚗 Voice-Controlled RC Cars – Hands-free robotics and STEM projects
- 🗝️ Keyword Spotting – Hotword detection and wake-up triggers
- 🏠 Smart Home – Compatible with Home Assistant via ESPHome
📚 Documents
- Acrylic Enclosure for ReSpeaker Lite.dxf
- Assembly Instructions for Acrylic Enclosure
- XMOS XU316 Datasheet
- ReSpeaker Lite – CE Certifications
- ReSpeaker Lite – FCC Certifications
- Voice Assistant Kit with XIAO ESP32S3 – CE Certifications
- Voice Assistant Kit with XIAO ESP32S3 – FCC Certifications
- ReSpeaker Lite Schematic
📦 Part List
| Must choose one | ReSpeaker Lite with XIAO ESP32S3 | 1 |
| ReSpeaker Lite | 1 | |
| Optional | Mono Enclosed Speaker - 4R 5W | 1 |
| Optional | Acrylic Enclosure for ReSpeaker Lite | 1 |