What is the lead time for production?

The average lead time is one month for both peak and off-season periods.

Is OEM/ODM service available?

Yes, we provide both OEM and ODM services with dedicated R&D engineers.

What certifications does the product have?

The product holds CE certification.

4mm Omni Directional Back Electret Condenser Microphone

Name: 4mm Omni Directional Back Electret Condenser Microphone
Brand: Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
SKU: 831746225

Jiangsu, ChinaChangzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.

US$0.10-0.50

30,000 Pieces

Product profile

Customization

Available

Style

Electret Condenser Microphone

Application

Music, Voice, Recording

Model NO.

YD40155-383G-PAUC01-BD-0

Signal Transmission

Optional

Directivity

Air-Conduction

Sound Channel

6.1channel

Transducer Principle

Condenser Microphone

Sound Field Force

Optional

Connector(s)

Optional

Wireless Technology

Optional

Output Impedance

2.2K Ohm

Color

Black

Feature

High Quality

Function

Audio

Transport Package

Heat Sink

Specification

30000per caton

Trademark

Yuesonic

Origin

China

HS Code

8518100090

Production Capacity

2000000 Per Month

Key features

Omni-Directional Pickup: Air-conduction design ensures 360-degree sound capture for music and voice recording.

High Sensitivity: -41 to -35 dB sensitivity at 1kHz for clear audio signal capture.

High Quality Audio: Features a 58 dB signal-to-noise ratio for clean, high-fidelity sound.

Full Customization: Supports full customization, minor customization, and flexible customization options.

OEM/ODM Service: Manufacturer offers both OEM and ODM services with 2 R&D engineers.

100% Quality Inspection: Every finished product undergoes strict visual and functional inspection.

CE Certified: Products are certified with CE standards for quality and safety assurance.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Years of Export Experience

Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.13h

AI-Powered supplier vetting

SummaryChangzhou Wujin Yueda Electroacoustic Equipment Co., Ltd. is a manufacturing and sales supplier specializing in speakers, backup alarms, electroacoustic equipment, alarms, and related accessories. It demonstrates broad customization, OEM/ODM, and R&D capabilities, including recent product development, available SDK support, and documented engineering processes using AutoCAD, Pro/E, and SolidWorks. Production-related evidence includes inventory capability, valid contracts with associated subcontractors, standardized finished-product inspection, and documented supplier assessment procedures. The supplier has exported for 20 years, with exports representing 51%–70% of total sales, and holds self-operated import/export rights. However, it reports no overseas warehouse, showroom, agents, or branches, and lists zero countries with overseas services. An external audit by BV is recorded, but the provided audit type and evaluation result are coded and cannot be interpreted reliably. No explicit certification,...

Supplier typeThe supplier is identified as a combined company engaged in manufacturing and sales of electroacoustic equipment, alarms, devices, accessories, and mechanical parts. Its listed products are speakers and backup alarms, and it also conducts import and export activities.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaint handling. It can provide inventory and has participated in an offline trade show, but it reports no overseas warehouse, showroom, agent, or branch, and zero countries with overseas services.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, has an available SDK, and maintains R&D documentation covering design inputs, outputs, reviews, verification, and validation. Its engineers use AutoCAD, Pro/E, and SolidWorks and provide production technology support.

Production capacityProduction capability is supported by inventory availability, valid contracts with each associated subcontractor, standardized finished-product inspection instructions, documented supplier-assessment procedures, and a manufacturing business scope. The supplier also has a stated one-month average lead time in both peak and off-season periods.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full and minor customization, and flexible customization. It also provides ODM services and has R&D resources supporting product design and development.