Delivery time after payment?

Stock orders: 12 days. Sourced orders: 37 days (see quote).

Tape/reel/tray + antistatic vacuum bag + desiccant. PCBA: ESD foam + strong carton. Labels: fragile, up, keep dry.

Domestic: SF Express, Deppon (or your choice). International: DHL, FedEx, UPS, air/sea freight.

Tracking number provided after dispatch. Check via carrier website or contact us.

What if I find defects?

Contact us within 7 working days with photos/videos and defect rate. If confirmed faulty, we cover return & replacement.

Wrong parts/quantity?

Keep original packing & label, contact us within 3 days. We will resend correctly at our cost.

Dual Microphone Voice Expansion Board for Raspberry Pi

Name: Dual Microphone Voice Expansion Board for Raspberry Pi
Brand: Shenzhen Donghan System Technology Co., Ltd.
SKU: 2307927325

Guangdong, ChinaShenzhen Donghan System Technology Co., Ltd.

US$15.27

1 Piece

Product specifications

Product profile

Customization

Available

Metal Coating

Electroless Nickel Immersion Gold

Mode of Production

SMT

Model NO.

ReSpeaker 2-Mics Pi HAT V2.0

Layers

2 Layers

Base Material

Fr-4 High Thermal Conductivity Substrate

Certification

RoHS, CCC, Reach

Customized

Standard Ready Stock

Condition

Brand New Original

Material

High Purity Copper Base + Fr4 Substrate

Adhesive

3m Thermally Conductive Double-Sided Adhesive Tape

Applicable Model

Raspberry Pi 3b/3b+/4b/5, Voice Recognition Develo

Feature

Dual Microphone Array, Onboard Audio Codec, I2s Au

Interface Type

40pin Gpio, I2s, Speaker Terminal, 3.5mm Audio JAC

Application

Smart Voice Control, Ai Speech Recognition, Voice

Compatible Model

Raspberry Pi 3b, 3b+, 4b, 5

Supported RAM

Operating Voltage: 3.3V/5V, 2 Onboard Microphones

Transport Package

Anti-Static Bag + Neutral Brown Carton

Specification

ReSpeaker 2-Mics Pi HAT V2.0 Dual Microphone Voice

Trademark

Generic

Origin

China

Key features

100% Original Components: All parts sourced from original or authorized channels with trace codes available.

PCBA One-Stop Solution: Full-process services from BOM kitting to SMT assembly, DIP insertion, and testing.

Comprehensive Quality Control: Includes incoming inspection, AOI, X-Ray, and functional testing for high yield.

Fast Response Time: Professional team provides quick responses to quotes, samples, and technical inquiries.

Competitive Pricing: Reduced procurement costs through volume sourcing and efficient operations.

Stable Supply Chain: Long-term cooperation with manufacturers ensures sufficient inventory and controllable lead times.

Professional Packaging: ESD protection, moisture control, and ISTA 3A validated shipping methods.

Global Shipping Options: Support for air, sea, and express freight via DHL, FedEx, UPS, and domestic carriers.

Company profile

High Repeat Buyers ChoiceExperienced TeamQuality AssuranceIn-stock Capacity

Shenzhen Donghan System Technology Co., Ltd.

Guangdong, China

Business Type: Trading CompanyExport Year: 2008-04-01Nearest Port: SHENZHENAverage Response Time: ≤1.86hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): EXW, FOB, Others, FCA, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT

About Our Factory & Business Background

AddressNo. 2505A-2505B, 25th Floor, Hangdu Building, No. 1006, Hua Fu Road, Hua Hang Community, Hua Qiangbei Street, Futian District, Shenzhen City

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsElectronic Components, Integrated Circuits, Microcontrollers, Diodes, Transistors, Capacitors, Resistors, PCBA, IC, PCB

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What components do you supply?

ICs, diodes, transistors, SMD caps/resistors, inductors, and PCBA one-stop service.

Q:Are parts 100% original?

Yes. All from original or authorized channels. Test reports & trace codes available.

Q:Can I get samples?

Free samples for common types (freight collect). Special types may need sample fee, deductible from bulk order.

Q:How to place an order?

Send BOM by email/WeChat. We quote, confirm, and sign a sales contract.

Q:Payment methods?

Bank transfer, WeChat/Alipay (small amounts), PayPal (international). Monthly payment for longterm partners.

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