Seeed Studio ReSpeaker Lite Voice Assistant Kit Mic Array Mono Enclosed Speaker Enclosure
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- Other Countries Delivery Time: 15 working days.
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Seeed Studio ReSpeaker Lite Voice Assistant Kit Mic Array Mono Enclosed Speaker Enclosure
🎙️✨ This is a smart voice assistant development kit that packs powerful voice processing 🧠 and crystal-clear audio playback 🔊 into one sleek setup!
🧩 The kit includes:
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🛠️ ReSpeaker Lite (choose between the 2-Mic Array or the version with XIAO ESP32S3 pre-soldered)
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📦 Mono Enclosed Speaker for rich sound output
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🧱 Laser-cut acrylic enclosure that’s easy to assemble and perfect for showcasing your build
🏡 Whether you're crafting your own voice assistant 🤖 or diving into home automation projects 🏠, this kit is designed to get you started fast and smart!
Features
🎤 Far-Field Voice Capture with Dual Microphones Two high-performance digital mics 🎙️ capture clear speech from up to 3 meters away—even in noisy environments 🌪️. Thanks to dual-input noise cancellation, your voice stays front and center.
🧠 Onboard AI-Powered ASR Algorithms Driven by the XMOS XU-316 AI audio chip ⚡, the kit features advanced Automatic Speech Recognition (ASR) algorithms:
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🛡️ Interference Cancellation (IC)
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🔊 Acoustic Echo Cancellation
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🤫 Noise Suppression
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📈 Voice-to-Noise Ratio (VNR)
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🎚️ Automatic Gain Control (AGC) All working together for crisp, reliable voice input.
💡 Open Source Friendly ReSpeaker Lite plays well with:
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🍓 Raspberry Pi
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💻 PC via USB (UAC2)
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🧠 XIAO ESP32S3 (Sense)
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🧩 Adafruit QT Py via I2S Perfect for makers, hackers, and smart home builders!
🔊 High-Quality Audio Output Includes a Mono Enclosed Speaker (4Ω 5W) 🔈 for loud, clear playback—ideal for voice feedback and alerts.
🖤 Laser-Cut Acrylic Acoustic Enclosure Matte black, sleek, and acoustically tuned 🧱. This DIY-friendly enclosure adds both style and performance to your build.
🏠 Smart Home Integration Ready Supports voice assistants like:
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🏡 Home Assistant (via ESPHome)
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🗣️ Amazon Alexa
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🧠 Google Assistant Control your home with just your voice!
🛠️ Flexible Development Environment Compatible with:
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🧪 Arduino
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⚙️ PlatformIO
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🐍 MicroPython
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🐍 CircuitPython Build, test, and deploy your ideas with ease!
Specification
|
General |
Digital Microphones |
High-Performance Digital Microphones * 2 |
|
Sensitivity |
-26 dBFS |
|
|
Acoustic Overload Point |
120 dBL |
|
|
SNR |
64 dBA |
|
|
Far-Field Voice Capture |
Up to 3m |
|
|
Audio Output |
Speaker Connector / 3.5mm Headphone Jack |
|
|
Power Supply |
USB 5V, External 5V |
|
|
Dimensions |
Length: 92mm Width: 42mm Height: 95mm |
|
|
Weight |
200 g |
|
|
Audio Processing Chip |
Model |
XMOS XU316 |
|
Maximum Sampling Rate |
16Khz |
|
|
Automatic Speech Recognition Algorithms |
NLU, IC, AEC, NS, VNR, AGC |
|
|
Processor (Optional)XIAO ESP32S3 |
Processor |
ESP32-S3R8 |
|
Xtensa LX7 dual-core, 32-bit processor running up to 240 MHz |
||
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Wireless |
Complete 2.4GHz WiFi subsystem |
|
|
BLE: Bluetooth 5.0, Bluetooth mesh |
||
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On-chip Memory |
8M PSRAM & 8MB Flash |
|
|
Speaker |
Model |
Mono Enclosed Speaker |
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Rated Input Power |
at 5.0W |
|
|
Rated Impedance |
4ohm±15% |
|
|
Output S.P.L |
88±3dB |
|
|
Distortion |
10% Max |
|
|
Enclosure |
Model |
Acrylic Enclosure for ReSpeaker Lite |
|
Material |
Acrylic |
|
|
Color |
Matte Black |


|
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(Optional) |
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. |

Application
🔊 Smart Speakers & Virtual Assistants Seamlessly integrates with Amazon Alexa 🗣️ and Google Assistant 🤖 to enhance voice command recognition and responsiveness.
🎧 Audio Processing Development Ideal for projects involving audio signal analysis, filtering, and real-time processing 🔍—from voice enhancement to acoustic modeling.
💼 Conference Systems Ensures crystal-clear communication 💬 during video and audio calls, even in challenging acoustic environments.
🚗 Voice-Controlled Remote Cars Enable hands-free control of RC vehicles using voice commands 🎙️—perfect for smart robotics and STEM projects.
🗝️ Keyword Spotting & Wake-Up Detection Supports hotword detection 🔓 and wake-up triggers for voice-first interfaces and low-power applications.
🏠 Voice Control for Home Assistant Compatible with Home Assistant 🏡 via ESPHome, enabling intuitive voice-based smart home automation.

Documents
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 |
1. General Shipping Information
- We provide premium shipping methods with a tracking number for each order.
-
Shipping address should be input in English without any special symbols to help the courier company recognize your address in the system. We will ship according to the shipping address you provided. Please notify us of any address change before your order is marked "Shipped" to avoid parcel loss.
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Please contact our customer service staff immediately if you need to cancel or change an order. Once your order has reached "Shipped" status, it can no longer be canceled or changed in any way. To avoid complications, please recheck your shopping cart before checkout.
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We can ship all in-stock orders within 1 business day as your order has been confirmed.
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All items are inspected before dispatch and are carefully hand-packed.
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With standard courier practice, you need to check the contents of the parcel before signing for your goods. Otherwise, we will not be held responsible for any damage that may have occurred in transit.
2. Shipping Options for Germany, EU* countries and US
(For Products in Munich Warehouse, Long Beach Warehouse)
2.1 Orders with a value not exceeding €5:
Shipping Options:
| Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
€6 Arrive in 3-4 Business Days |
€15 Arrive in 5-9 Business Days |
| Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
€7.95 Arrive in 3-7 Business Days |
€8.95 Arrive in 5-9 Business Days |
|
UPS Express |
€13.95 Arrive in 2-4 Business Days |
€17.95 Arrive in 3-7 Business Days |
2.2 Shipping options for an order value between €5 and €30 inside Germany, €5 and €50 inside the EU, or €5 and €45 in the U.S.:*
Shipping Options:
| Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
€3.5 Arrive in 3-4 Business Days |
€6 Arrive in 5-9 Business Days |
|
DHL Paket |
€6 Arrive in 2-3 Business Days |
€15 Arrive in 3-7 Business Days |
|
DHL Express |
€14 Arrive in 1-2 Business Day |
€65 Arrive in 2-3 Business Days |
| Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
€4.95 Arrive in 3-7 Business Days |
€6.95 Arrive in 5-9 Business Days |
|
UPS Express |
€11.95 Arrive in 2-4 Business Days |
€13.95 Arrive in 3-7 Business Days |
2.3 Free shipping options for an order value of above €30 inside Germany, €50 inside the EU* or €45 in US :
| Free Shipping Options | Germany | EU* |
|---|---|---|
|
Deutsche Post |
Free Above €30 | Free Above €50 |
|
DHL Paket |
+ €2 for Above €30 / Free Above €60 | + €8 for Above €50 / Free Above €80 |
|
DHL Express |
+ €10 for Above €30 | + €60 for Above €50 |
| Free Shipping Options | Continental U.S. | Non-Continental U.S. |
|---|---|---|
|
USPS Ground Advantage |
Free above €45 | Free above €60 |
|
UPS Express |
+ € 8.95 for Above €45 | + € 11.95 for Above €45 |
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Certain EU Countries are not included in our EU Zone definition: United Kingdom (excluding Ireland), Switzerland, Liechtenstein, Vatican City, Albania, Belarus, Norway, Ukraine, and Iceland. For the above countries, the International Shipping Rule applies.
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2.4 Shipping Options for International Countries:
(via Deutsche Post or YunExpress)
| Order Amount | International |
|---|---|
| €0 - €15 | €8 |
| €15 - €30 | €7 |
| €30 - €50 | €6 |
| €50 and above | €4 |
Important Notice:
- Please verify the inventory location on the product page before placing your order to confirm delivery timeframes.
- For products in the Shenzhen warehouse, we will typically first ship the products from the Shenzhen warehouse to our Munich warehouse or Long Beach warehouse, which will take around 1.5 weeks. After we receive the shipment in Munich/ Long Beach, we will send the items to you. We will only arrange YunExpress shipping from Shenzhen for orders with products in the Shenzhen warehouse worth more than €50.
- If you place an order with products from both Munich and Shenzhen warehouses, we will first ship the products in the Munich warehouse, and then send the remaining products to you when we receive them from Shenzhen.
3. International Warehouse
3.1 German Warehouse
3.2 US Warehouse
3.3 Chinese Warehouse
4. Customs and Taxes
4.1 How are customs handled by OpenELAB for import or export?
4.2 How is VAT charged when the Customer places an order from OpenELAB?
4.3 What kind of fee will be charged except VAT?
Effective Date: August 7, 2025
At OpenELAB, we are committed to providing accurate product descriptions and delivering high-quality products. If you experience any issues with your purchase, please notify us within 30 days of the shipment date.
1. Warranty Disclaimer
Unless explicitly stated in a specific agreement or purchase order, OpenELAB makes no warranties—express or implied—regarding the fitness, suitability, or merchantability of any product for a particular purpose or special use.
2. Warranty Policy
Warranty Period
The standard warranty period for products sold by OpenELAB is 12 months from the date of delivery.
Under this warranty, OpenELAB will make a reasonable effort to repair or replace products free of charge if defects are due to issues with raw materials, design, or manufacturing.
If the defect qualifies under this policy but falls outside the covered scope, reasonable charges may apply for repair or replacement.
After the warranty period, support may still be available at a reasonable fee.
Warranty Exclusions
The warranty does not apply in the following cases:
- The product is beyond the 12-month warranty period.
- Damage due to misuse, improper maintenance or storage, or failure to follow the user guide or manual.
- Issues caused by Force Majeure events (e.g., natural disasters, war, legal changes, etc.).
- Unauthorized repair attempts by the customer.
- The product is not defective but has been opened and is non-returnable by policy.
3. Returns & Refunds
If you're not satisfied with your purchase, you may be eligible for a return or exchange:
- Return for Refund: Within 15 days of receipt (unopened).
- Return for Replacement: Within 30 days of receipt (damaged or defective).
- Exchange Window: Up to 30 days from receipt.
Please email us at info@openelab.io for a return authorization before sending anything back.
Return Conditions
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Shipping & Fees
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- If a return is requested due to customer reasons (e.g., change of mind, incorrect order, etc.), both the original shipping cost and the return shipping cost will be deducted from the refund amount.
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Shopify Payments: 1.8% + €0.3
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