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28mm 100Ω Waterproof Headphone Speaker
US$0.10-0.99
1,000 Pieces
Sample price:US$0.19/piece.Request sample
Product profile
Customization
AvailableCone
PetImpedance
100ΩModel NO.
YDR28-4-100Usage
AcceptWORD nChannels
2.1ChannelMaterial
Metal FrameSize
Dia 28*5.4mmF0
100HzCategory
ReceiverTransmission Mode
Air-conductionTransducer Principle
Permanent Magnetic SpeakerStyle
MiniRadiation Mode
Direct Radiation TypeCertification
ISO9001Brand
YuesonicTransport Package
CartonSpecification
0.1WTrademark
YuesonicOrigin
ChinaHS Code
85182900Production Capacity
5000000/MonthKey features
Waterproof Design: 28mm metal frame headset speaker built for waterproof performance.
Wide Frequency Range: Frequency range from F0 to 5kHz for versatile usage.
RoHS/REACH Compliant: All products meet strict RoHS and REACH safety standards.
Flexible Customization: Supports customization from samples, designs, and minor adjustments.
Low MOQ Acceptance: Minimum order quantity starts at 1 PC, accepting small trial orders.
Free Samples Available: Free samples provided for evaluation before bulk purchase.
Fast Shipment Option: Regular models often in stock for immediate shipment.
Company profile
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.
Product Q&A
Q:What is the MOQ?
A:
1000 pcs, we also accept small trial orders.
Q:What is the lead time?
A:
2-8 weeks, for regular models, we usually prepare some in stock, so shipment could be made very soon.
Q:Can I have some free samples for evaluation first?
A:
Sure. We could offer some free samples.
Q:What payment methods do you accept?
A:
T/T, PayPal, western Union, Money gram.
Q:What payment terms do you accept?
A:
Generally, payment before shipment at the beginning.
Send Inquiry
*To:
Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.
Changzhou Wujin Yueda Electroacoustic Equipment Co., Ltd.*Content:
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