Home Seeed Studio ReSpeaker Lite 2-Mic Array Voice Kit ESPHome ESP32-S3

Seeed Studio ReSpeaker Lite 2-Mic Array Voice Kit ESPHome ESP32-S3

Sale price $38.55
SKU: Seeed-110061601

šŸ“¦ Location of the warehouse: China

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- US Delivery Time: 2~7 Business days.

- Non-Continental US Delivery Time: 3~9 working days.

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Guarantee & Return Policy

Effective Date: December 10, 2025

At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.

1. Warranty Policy

A. Standard Limited Warranty (Global & US)

For customers in the United States, Asia, and other non-EU regions:

  • Warranty Period:Ā OpenELAB provides aĀ 12-monthĀ warranty from the date of delivery.

  • Coverage:Ā This warranty covers defects in material and workmanship under normal use.

  • Resolution:Ā We will repair or replace defective units at no charge.

B. Statutory Rights for EU/UK Customers (EU Compliance)

If you are a consumer residing in the European Union or the UK purchasing from our global site:

  • Statutory Guarantee:Ā You are entitled to aĀ 24-month statutory guaranteeĀ for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.

  • Relation:Ā The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.

C. Warranty Exclusions (Applies to ALL Regions)

Warranty coverage isĀ VOIDĀ if the damage is caused by:

  1. Misuse:Ā Incorrect installation, reverse polarity, or exceeding voltage limits.

  2. Unauthorized Modification:Ā This explicitly includesĀ soldering, cutting pins, modifying the PCB, orĀ flashing unauthorized/beta firmwareĀ that "bricks" the device.

  3. Physical Damage:Ā Drops, moisture/water damage, or electrical surges (lightning).

  4. Normal Wear & Tear:Ā Consumable parts (e.g., batteries), unless defective upon arrival.

Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.

2. Return & Refund Policy

A. Return Window

  • Standard:Ā You may request a return withinĀ 30 daysĀ of receiving your order.

  • EU Customers:Ā You have the statutory right to withdraw from the contract withinĀ 14 daysĀ of receipt without giving a reason.

B. Refund Conditions & Restocking Fees

To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.

1. Full Refund (100%)

  • The item isĀ Brand New, Unopened, and Unused.

  • The original packaging is intact and sealed.

  • All accessories are present.

2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct aĀ Restocking FeeĀ (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:

  • Signs of Use:Ā Visible scratches, mounting marks on screw holes, or fingerprints.

  • Damaged Packaging:Ā Original box is torn, written on, or missing.

  • Technical Modification:Ā The device has beenĀ powered on, programmed/flashed, or soldered.

  • Broken Seals:Ā Anti-static bags or security seals have been opened.

Depending on the severity of the usage/damage, the deduction may range fromĀ 15% to 50%Ā of the product price. Items damaged beyond repair due to misuse will not be refunded.

C. Shipping Costs

  • Defective / Wrong Item:Ā OpenELAB covers the return shipping cost.

  • Customer Remorse (Changed Mind / Ordered Wrong Item):Ā TheĀ customerĀ is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.

3. Return Process (RMA)

To ensure a smooth return process, please follow these steps:

  1. Authorization:Ā Contact us atĀ info@openelab.ioĀ before returning any item. Returns without prior authorization will not be accepted.

  2. RMA Number:Ā We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.

  3. Packing:Ā Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).

  4. Tracking:Ā We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
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Seeed Studio ReSpeaker Lite 2-Mic Array Voice Kit ESPHome ESP32-S3

Seeed Studio ReSpeaker Lite 2-Mic Array Voice Kit ESPHome ESP32-S3

$38.55

šŸ§  Powered by XMOS XU316 AI Sound & Audio Chipset, this high-performance, open-source development kit is built for next-gen voice assistant applications šŸŽ™ļøšŸ¤–.

šŸ”Š Integrated with ReSpeaker Lite Dual-Microphone Array and the mighty XIAO ESP32S3 processor, it delivers:

  • šŸ—£ļø Exceptional voice recognition

  • šŸ”‡ Advanced noise reduction

  • šŸŽ›ļø Intelligent voice processing via onboard AI NLU algorithms

šŸ” Smart Home Ready: Seamlessly integrates with Home Assistant via ESPHome, making it perfect for:

  • šŸ  Smart voice assistants

  • šŸ”Œ Home automation systems

  • šŸ“” IoT voice interfaces

šŸ’” Whether you're prototyping or deploying, this kit brings clarity, intelligence, and flexibility to your voice-enabled projects.

Ā 

Features

šŸ”Œ Pre-Soldered ESP32 Controller A powerful XIAO ESP32S3 comes pre-soldered via I2S pins, offering a hassle-free, solderless setup for rapid development and seamless integration šŸ§©.

šŸŽ™ļø Dual Microphone Array for Far-Field Voice Capture Two high-performance digital microphones capture voice from up to 3 meters, even in noisy environments šŸŒŖļø. Point noise is intelligently cancelled using dual input for crystal-clear speech recognition šŸ—£ļø.

šŸ§  Onboard Audio Front-End Algorithms Driven by the XMOS XU-316 AI Sound & Audio Chip, the kit features advanced Natural Language Understanding (NLU) algorithms:

  • šŸš« Interference Cancellation (IC)

  • šŸ” Acoustic Echo Cancellation

  • šŸ”‡ Noise Suppression

  • šŸ“ˆ Automatic Gain Control (AGC) All working together to ensure high-quality voice capture in real time.

šŸ’» Open Source Friendly Fully compatible with Arduino, PlatformIO, MicroPython, and CircuitPython, making it perfect for developers who love flexibility and customization šŸ”§.

šŸ—£ļø Works with Popular Voice Assistants Build your own natural language processor and connect it to:

  • šŸ  Home Assistant via ESPHome

  • šŸ—Øļø Amazon Alexa Voice Service

  • šŸ” Google Assistant

  • ā˜ļø Cloud Speech-to-Text APIs Enable voice commands and smart interactions across your applications.

šŸŒˆ Onboard RGB LED Includes a programmable WS2812 RGB LED, perfect for custom lighting effects and visual feedback šŸŽØ.

Ā 

Specification

  • General

Core Chip

XMOS XU316

Digital Microphones

High-PerformanceĀ DigitalĀ Microphones * 2

Sensitivity

-26 dBFS

Acoustic Overload Point

120 dBL

SNR

64 dBA

Power Supply

USB 5V,Ā External 5V

Dimensions

35*86 mm

Audio Output

Speaker Connector / 3.5mm HeadphoneĀ Jack

Maximum Sampling Rate

16Khz

Speaker

Supports 5WĀ AmplifierĀ Speakers.
  • XIAO ESP32S3

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),Ā 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:Ā 100mA

Low Power Consumption Model

(Supply Power: 3.8V)

Modem-sleep Model:Ā ~ 25 mA

Light-sleep Model:Ā ~ 2mA

Deep Sleep Model:Ā ~Ā 14 Ī¼A

WiFi Enabled Power Consumption

Active Model:Ā ~ 100 mA

BLE Enabled Power Consumption

Active Model:Ā ~ 85 mA

Working Temperature

-40Ā°C ~ 65Ā°C


Hardware Overview

  • Hardware Flowchart

  • Hardware Diagram

1

Dual Microphone Array

Provides high-quality audio input.

2

Power Indicator Light

Illuminates when powered on.

3

RGB Light

ProgrammableĀ 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

Application

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

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.
  • 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.
  • We can ship all in-stock orders within 1 business day as your order has been confirmed.
  • All items are inspected before dispatch and are carefully hand-packed.
  • 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.

Ā 

2. Shipping Options & Rates (United States)

(For Products in the US Warehouse & Global Warehouse)

2.1 Continental U.S. (50 States)

Shipping Method Order Value Cost Est. Delivery
USPS Ground Advantage $0.00 - $5.00 $9.99 3-7 Business Days
USPS Ground Advantage $5.00 - $50.00 $5.99 3-7 Business Days
USPS Ground Advantage Over $50.00 Free 3-7 Business Days
USPS Priority Mail
(Faster Option)		 $0.00 - $50.00 $19.99 1-4 Business Days
USPS Priority Mail Over $50.00 $17.59 1-4 Business Days

Ā Ā 

2.2 Non-Continental U.S.

(Includes Alaska, Hawaii, Puerto Rico, Guam, Virgin Islands, etc.)

Shipping Method Order Value Cost Est. Delivery
USPS Ground Advantage $0.00 - $5.00 $9.99 5-9 Business Days
USPS Ground Advantage $5.00 - $70.00 $7.99 5-9 Business Days
USPS Ground Advantage Over $70.00 Free 5-9 Business Days

Ā 

Important Notice:

  • Before placing your order, please check the inventory location on the product page to confirm the delivery timeframes.
  • For products stored in the Global Warehouse (Shenzhen), we will ship them directly from China.
  • If you place an order for products from both the U.S. warehouse and the Global warehouse, we will ship your order separately: the products from the Global warehouse will be sent from China, and the products from the U.S. warehouse will be sent from the U.S. warehouse.

Ā  Ā 

3. Warehouse Locations

Our products are stored in both our U.S. and Global warehouses to provide more flexible logistics solutions. On each product's description page, we indicate the specific warehouse location.

3.1 U.S. Warehouse

Located in Dover, Delaware (19901).
For products stored here, we use USPS for shipping. Logistics within U.S. are very efficient, with an estimated delivery time of 3-7 business days.

3.2 Global Warehouse (China)

Located in Shenzhen, Guangdong.
For orders shipping from our Global Warehouse, we typically use YunExpress. Given the complexities of international shipping, the estimated delivery time is around 10 business days, though this may vary due to customs processes.

To ensure that your order is delivered within your desired timeframe, we recommend reviewing the warehouse information provided on the product pages before placing your order.Ā  Ā 

Ā 

4. Customs and Taxes

Effective Date: December 10, 2025

At OpenELAB, we are committed to providing accurate product descriptions and high-quality electronics. The following policy outlines your rights and obligations, designed to be fair to both our customers and our business operations globally.

1. Warranty Policy

A. Standard Limited Warranty (Global & US)

For customers in the United States, Asia, and other non-EU regions:

  • Warranty Period:Ā OpenELAB provides aĀ 12-monthĀ warranty from the date of delivery.

  • Coverage:Ā This warranty covers defects in material and workmanship under normal use.

  • Resolution:Ā We will repair or replace defective units at no charge.

B. Statutory Rights for EU/UK Customers (EU Compliance)

If you are a consumer residing in the European Union or the UK purchasing from our global site:

  • Statutory Guarantee:Ā You are entitled to aĀ 24-month statutory guaranteeĀ for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.

  • Relation:Ā The Standard Limited Warranty (Section 1.A) applies in addition to, and does not replace, your statutory rights.

C. Warranty Exclusions (Applies to ALL Regions)

Warranty coverage isĀ VOIDĀ if the damage is caused by:

  1. Misuse:Ā Incorrect installation, reverse polarity, or exceeding voltage limits.

  2. Unauthorized Modification:Ā This explicitly includesĀ soldering, cutting pins, modifying the PCB, orĀ flashing unauthorized/beta firmwareĀ that "bricks" the device.

  3. Physical Damage:Ā Drops, moisture/water damage, or electrical surges (lightning).

  4. Normal Wear & Tear:Ā Consumable parts (e.g., batteries), unless defective upon arrival.

Note: For non-warranty repairs (e.g., customer-induced damage), we may offer repair services for a fee. Shipping and diagnostic costs will be borne by the customer.

2. Return & Refund Policy

A. Return Window

  • Standard:Ā You may request a return withinĀ 30 daysĀ of receiving your order.

  • EU Customers:Ā You have the statutory right to withdraw from the contract withinĀ 14 daysĀ of receipt without giving a reason.

B. Refund Conditions & Restocking Fees

To protect against policy abuse, the refund amount is strictly determined by the condition of the returned item.

1. Full Refund (100%)

  • The item isĀ Brand New, Unopened, and Unused.

  • The original packaging is intact and sealed.

  • All accessories are present.

2. Partial Refund (Restocking Fee / Value Depreciation)
If the item is returned in a condition that prevents it from being sold as new, OpenELAB reserves the right to deduct aĀ Restocking FeeĀ (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:

  • Signs of Use:Ā Visible scratches, mounting marks on screw holes, or fingerprints.

  • Damaged Packaging:Ā Original box is torn, written on, or missing.

  • Technical Modification:Ā The device has beenĀ powered on, programmed/flashed, or soldered.

  • Broken Seals:Ā Anti-static bags or security seals have been opened.

Depending on the severity of the usage/damage, the deduction may range fromĀ 15% to 50%Ā of the product price. Items damaged beyond repair due to misuse will not be refunded.

C. Shipping Costs

  • Defective / Wrong Item:Ā OpenELAB covers the return shipping cost.

  • Customer Remorse (Changed Mind / Ordered Wrong Item):Ā TheĀ customerĀ is responsible for all return shipping costs to our designated return center (located in the US, Germany, or China, depending on your region). Original shipping fees are non-refundable unless required by local law.

3. Return Process (RMA)

To ensure a smooth return process, please follow these steps:

  1. Authorization:Ā Contact us atĀ info@openelab.ioĀ before returning any item. Returns without prior authorization will not be accepted.

  2. RMA Number:Ā We will provide you with a Return Merchandise Authorization (RMA) number and the correct return address.

  3. Packing:Ā Ship the item back in its original packaging with the RMA number clearly marked on the shipping label (not on the product box).

  4. Tracking:Ā We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.