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The product is certified with CE, RoHS, and FCC.

Heavy Duty Powered Speaker 4400 Watt PRO Audio 21′ ′ Neodymium Subwoofer

Name: Heavy Duty Powered Speaker 4400 Watt PRO Audio 21′ ′ Neodymium Subwoofer
Brand: GUANGDONG HIWELL AUDIO CO., LTD
SKU: 848443985

Guangdong, ChinaGUANGDONG HIWELL AUDIO CO., LTD

US$180.00-270.00

1 Piece

Sample price:US$270.00/piece.Request sample

Product profile

Customization

Available

Noise

Activity

Passive

Model NO.

21NDS151U1

Operation Mode

Speaker Material

Plastic

Application

Stage

Certification

CE, RoHS, FCC

AES Power Rating

2200 W

Program Power

4400 W

Voice Coil

6''vc Copper in/out

Frequency Range

29-1000Hz

Sensitivity

97 dB

Impedance

8 Ohm

Magnet

Neodymium

Chassis

Aluminium

Transport Package

Carton

Specification

570 x 570 x 307 mm

Trademark

Origin

China

HS Code

8518290000

Production Capacity

50000

Key features

High Power Output: 4400 Watt program power with 2200 Watt AES rating for professional audio.

Neodymium Magnet: Lightweight neodymium magnet ensures high efficiency and powerful bass.

Wide Frequency Range: Delivers deep bass from 29Hz to 1000Hz with 97dB sensitivity.

Durable Construction: Aluminum chassis and heavy-duty basket design for long-lasting performance.

Optimized Cooling: Advanced cooling system with demodulating ring prevents overheating.

Large Excursion: 53mm peak-to-peak maximum excursion for deep and accurate sound.

Triple Roll Surround: Triple roll surround design ensures resonance-free and robust operation.

Quality Assurance: Strict QC system with advanced testing equipment ensures zero defects.

Company profile

GUANGDONG HIWELL AUDIO CO., LTD

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2010-03-28Average Response Time: ≤24h

AI-Powered supplier vetting

SummaryGUANGDONG HIWELL AUDIO CO., LTD is identified as a China-based manufacturer/factory of professional loudspeakers, despite one record describing the company as a trading company. It reports operation of more than 10 production lines and has exported since 2010. The company states that it independently designs and manufactures automated production-line equipment, uses materials from respected suppliers, and holds design patents approved by National Patent Certification. Its products include loudspeakers, line-array speakers, compression drivers, woofers, midrange products, and subwoofers. Quality and service objectives are stated, but the available information does not establish formal certifications, detailed after-sales procedures, financial credibility, customization services, or named customer cases. Quality-control staffing is reported as fewer than five personnel, while R&D and total staff experience are unavailable.

Supplier typeThe records identify the supplier as both a trading company and a manufacturer/factory. The formal entity information names GUANGDONG HIWELL AUDIO CO., LTD as a manufacturer/factory in Guangdong, China, and its stated products and manufacturing activities support a production-oriented business profile.

CertificationsThe company states that its design patents are approved by National Patent Certification. However, no specific patent numbers, certification names, or other formal quality-management certificates are provided.

R&D capabilityThe company reports independently designing and manufacturing automated production-line equipment and holding approved design patents. It also emphasizes product innovation, providing explicit evidence of internal engineering and product-development activity.

Production capacityHIWELL identifies itself as a loudspeaker manufacturer, lists multiple professional-audio product categories, and reports operating more than 10 production lines. Its stated automated equipment development further supports production capability, although staffing and capacity details are limited.