What is the voice coil material and diameter?

It uses a copper voice coil with a diameter of 75mm (3 inches).

350W 97 dB 15 Inch Professional Ferrite Woofer with Cast Aluminum Basket

Name: 350W 97 dB 15 Inch Professional Ferrite Woofer with Cast Aluminum Basket
Brand: DONGGUAN FDB AUDIO MANUFACTURE CO .,LTD
SKU: 893776705

Guangdong, ChinaDONGGUAN FDB AUDIO MANUFACTURE CO .,LTD

US$60.00-474.00

1 Piece

Product profile

Customization

Available

Application

Commercial

Transport Package

Carton Box

Model NO.

PB1530C

Trademark

FDB

Origin

Dongguan, China

HS Code

8518220000

Production Capacity

5000PCS/Month

Key features

High Power Capacity: Rated power capacity of 350W for professional audio applications.

Wide Frequency Range: Delivers a frequency range of 30-3000 Hz with 97 dB sensitivity.

Cast Aluminum Basket: Constructed with a durable cast aluminum basket for stability.

Copper Voice Coil: Features a 75mm copper voice coil for efficient performance.

OEM and ODM Services: Offers both OEM and ODM customization services for clients.

ISO 9001 Certified: Manufacturing follows ISO 9001:2008 quality management standards.

Fast Lead Time: Average lead time within 15 working days for both peak and off-peak seasons.

CE and RoHS Certified: Products meet CE and RoHS certification requirements.

Company profile

DONGGUAN FDB AUDIO MANUFACTURE CO .,LTD

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, Small-amount payment CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryThe supplier is a China-based professional audio manufacturer with operations in Dongguan, Guangdong, and reported establishment dates of 2006 and 2010 in different records. Its stated product scope includes professional transducers, speaker cabinets, amplifiers, processors, horns, and related accessories. Evidence indicates a 7,500 m² manufacturing plant, 98 employees, advanced production and testing equipment, 10 R&D engineers, and ISO9001:2015 and ISO14001:2015 certifications. The company reports cooperation with BOSE, Thoman, and Proel in developing models, as well as positive customer feedback regarding quality stability, reliability, and consistency. However, the records contain inconsistent legal/company names and entity classifications, and provide insufficient evidence regarding after-sales processes, financial credibility, and formal customization services.

Supplier typeThe records identify the supplier as a manufacturing-oriented company in the professional audio sector, with a Dongguan manufacturing address, a 7,500 m² plant, and products including transducers, cabinets, amplifiers, and processors. However, one record classifies the company as a trade company, while another identifies a limited manufacturing company, so the exact legal and operating classification is inconsistent.

CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certifications, and also describes a formally enforced quality management system. This provides direct evidence of certified quality and environmental management systems.

R&D capabilityThe supplier reports dedicated R&D activity, 10 R&D engineers, advanced technology and testing equipment, development cooperation with materials and accessories manufacturers, and joint model development with BOSE, Thoman, and Proel. These details directly support meaningful product-development capability.

Production capacityEvidence supports in-house manufacturing of professional audio products, including a 7,500 m² plant, 98 employees, advanced production equipment, testing apparatus, and a broad product range. The supplier also describes established quality-control processes, indicating a substantive production operation.

Client casesThe supplier explicitly states that it cooperated with BOSE, Thoman, and Proel on new-model development, and reports positive feedback from local and overseas customers regarding stable quality, reliability, and consistency. These are direct customer-related references, although the records do not provide project details, dates, or independently verified case documentation.