Home Seeed Studio ReSpeaker Lite USB 2-Mic Array AI Audio Processing

Seeed Studio ReSpeaker Lite USB 2-Mic Array AI Audio Processing

Sale price $33.91
SKU: Seeed-107990273

๐Ÿ“ฆ Location of the warehouse: China

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Free Shipping from $50 in the US, $70 for non-continental US

- 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:ย OpenELAB provides aย 12-monthย warranty from the date of delivery.

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

  • Resolution:ย 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:ย You are entitled to aย 24-month statutory guaranteeย for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.

  • Relation:ย 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 isย VOIDย if the damage is caused by:

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

  2. Unauthorized Modification:ย This explicitly includesย soldering, cutting pins, modifying the PCB, orย flashing unauthorized/beta firmwareย that "bricks" the device.

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

  4. Normal Wear & Tear:ย 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:ย You may request a return withinย 30 daysย of receiving your order.

  • EU Customers:ย You have the statutory right to withdraw from the contract withinย 14 daysย 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 isย 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 aย Restocking Feeย (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:

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

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

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

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

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

C. Shipping Costs

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

  • Customer Remorse (Changed Mind / Ordered Wrong Item):ย Theย customerย 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:ย Contact us atย info@openelab.ioย before returning any item. Returns without prior authorization will not be accepted.

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

  3. Packing:ย 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:ย We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.
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- Pre-Ordering: If an item is unavailable, you can pre-order it. We'll dispatch once stock is replenished, usually within 10 working days. Special pre-sale products will specify the expected arrival time in the description.

- Express Shipping: Need it faster? Contact us via email or through our live chat support, and we'll arrange expedited delivery for you.

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Seeed Studio ReSpeaker Lite USB 2-Mic Array AI Audio Processing

Seeed Studio ReSpeaker Lite USB 2-Mic Array AI Audio Processing

$33.91

๐Ÿ”Š Powered by XMOS XU316 AI Sound & Audio Chipset, this dev board is a powerhouse for audio processing ๐ŸŽง. ๐ŸŽ™๏ธ Equipped with a dual microphone array, it's perfect for speech recognition ๐Ÿ—ฃ๏ธ and voice control ๐Ÿค–.

๐Ÿง  Featuring advanced onboard NLU algorithms, the XU316 delivers:

  • ๐Ÿšซ Interference cancellation

  • ๐Ÿ” Echo cancellation

  • ๐Ÿ”‡ Noise suppression

๐Ÿ”Œ Supports both I2S and USB connections, and is fully compatible with:

  • ๐Ÿงฉ Seeed Studio XIAO ESP32S3 (Sense)

  • ๐Ÿ Adafruit QT Py

  • ๐Ÿ“ Raspberry Pi

  • ๐Ÿ’ป PC

ย 

Features

๐ŸŽ™๏ธ Dual Microphone Array for Far-Field Voice Capture Capture clear voice input from up to 3 meters awayโ€”even in noisy environments! The two high-performance digital mics work together to cancel point noise and isolate speech with precision.

๐Ÿง  Advanced Onboard Audio Algorithms Powered by the XMOS XU-316 AI Sound & Audio Chip, this board features built-in Natural Language Understanding (NLU) algorithms for:

  • ๐Ÿšซ Interference Cancellation (IC)

  • ๐Ÿ” Acoustic Echo Cancellation

  • ๐Ÿ”‡ Noise Suppression

  • ๐Ÿ“Š Voice-to-Noise Ratio (VNR)

  • ๐Ÿ“ˆ Automatic Gain Control (AGC) All designed to deliver crisp, high-quality voice capture.

๐Ÿ’ป Open Source & Hardware Compatibility Seamlessly integrates with:

  • ๐Ÿงฉ XIAO ESP32S3 (Sense)

  • ๐Ÿ Adafruit QT Py via I2S

  • ๐Ÿ“ Raspberry Pi & ๐Ÿ’ป PC via USB Audio Class 2.0 (UAC2)

๐ŸŒˆ Onboard RGB LED Includes a programmable WS2812 RGB LEDโ€”perfect for custom lighting effects and visual feedback in your applications.

๐Ÿ”Œ Flexible Power Options Supports external 5V power supply, making it adaptable for diverse deployment scenarios.

๐Ÿ› ๏ธ DFU for Custom Firmware Development Ready for developers: update firmware via DFU-Util for tailored functionality and rapid iteration.

ย 

Specification

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.

Hardware Overview

1

Dual Microphone Array

Provides high-quality audio input.

2

Power Indicator Light

Illuminates when powered on.

3

RGB Light

Programmable WS2812, provides visual interface

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
  • Far-Field Voice Control
  • Offline Voice Processing
  • Local Command Processing
  • Custom Wake-Up Words
  • Low Power Voice Offload
  • Industrial Voice Control
  • Voice Recognition and Control for Home Assistant, Google Assistant, Amazon Alexa and more

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.

ย 

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

ย ย 

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

ย 

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.

ย  ย 

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.ย  ย 

ย 

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:ย OpenELAB provides aย 12-monthย warranty from the date of delivery.

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

  • Resolution:ย 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:ย You are entitled to aย 24-month statutory guaranteeย for conformity defects present at the time of delivery, in accordance with EU consumer protection laws.

  • Relation:ย 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 isย VOIDย if the damage is caused by:

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

  2. Unauthorized Modification:ย This explicitly includesย soldering, cutting pins, modifying the PCB, orย flashing unauthorized/beta firmwareย that "bricks" the device.

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

  4. Normal Wear & Tear:ย 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:ย You may request a return withinย 30 daysย of receiving your order.

  • EU Customers:ย You have the statutory right to withdraw from the contract withinย 14 daysย 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 isย 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 aย Restocking Feeย (or "Compensation for Loss of Value" for EU customers) from the refund.
Deductions apply if:

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

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

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

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

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

C. Shipping Costs

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

  • Customer Remorse (Changed Mind / Ordered Wrong Item):ย Theย customerย 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:ย Contact us atย info@openelab.ioย before returning any item. Returns without prior authorization will not be accepted.

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

  3. Packing:ย 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:ย We strongly recommend using a trackable shipping method. OpenELAB is not responsible for returns lost in transit.