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Professional Line Array PA System Single 18" Sub Bass Speaker DSP Low Pitch Subwoofer 1800W Wa218

Name: Professional Line Array PA System Single 18" Sub Bass Speaker DSP Low Pitch Subwoofer 1800W Wa218
Brand: Guangzhou Ruifeng Intelligence Technology Co., Ltd
SKU: 900857465

Guangdong, ChinaGuangzhou Ruifeng Intelligence Technology Co., Ltd

US$300.00-1,000.00

1 Piece

Product profile

Customization

Available

Noise

Professional Speaker

Hi-Fi

Not Hi-Fi

Model NO.

WA21820

Activity

Passive

Operation Mode

Wire / Remote Control

Speaker System

Optional Combination

Speaker Material

Wood

Application

Commercial, Home, Commercial, Stadium, Hall, Church

Certification

CE, RoHS, CCC

Monitor

No Screen

THD

<0.005%

Sensitivity(1W/1m)

103dB

Function

Commercial, Stadium, Hall, Church

Frequency Response

35Hz~300Hz(±3dB)/30Hz~350Hz(-10dB)

Nominal Impedance

8omega

Power Rating(AES)

1800W

System

Dual 18"Subwoofer

Spl(Continuous/Peak)

135.5dB/141.5dB

Transport Package

Carton Box or Flight Case

Specification

642.5*930*600mm

Trademark

Origin

Guangzhou, China

HS Code

8518220000

Production Capacity

2000PCS/Month

Key features

Dual 18 Bass Reflex Design: Features dual 18-inch drivers with imported neodymium magnets and 4-inch voice coils.

High Power Output: Delivers 1800W AES power rating with SPL up to 141.5dB peak.

Wide Frequency Response: Extends from 30Hz to 350Hz with optimized cabinet structure for low resonance.

Professional Certifications: Certified by CE, RoHS, SGS, ISO9001, ISO14001, ISO27001, ISO20000-1, and ISO18001.

OEM & ODM Support: Professional manufacturer offering custom design services and OEM/ODM solutions.

Fast Stock Delivery: Stock orders delivered within 3-7 days after deposit receipt.

24-Hour After-Sales Service: Dedicated support team available around the clock for technical assistance.

SGS Audited Supplier: Verified by SGS international certificate organization for quality assurance.

Company profile

Guangzhou Ruifeng Intelligence Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2018-03-29 CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤18h CertifiedTerms of Payment: T/T, Western Union

AI-Powered supplier vetting

SummaryGuangzhou Ruifeng Intelligence Technology Co., Ltd. is a China-based limited company established in 2015 and focused on professional audio products, including line array speakers, full-range speakers, monitors, subwoofers, amplifiers, and processors. The supplier reports an integrated R&D, manufacturing, distribution, design, and technical-consultation capability, with six production lines, 11 years of combined R&D engineer experience, and 21–30 quality-control staff. It reports a one-month peak- and off-peak lead time and production information of 20,000 line array speakers. OHSAS18001:2007 and other management-system certifications are stated, but the certification scope is not detailed. Evidence supports product development and manufacturing capability, while customer references, detailed after-sales procedures, customization examples, and broader financial credibility remain insufficiently documented.

Supplier typeThe supplier is a limited company based in Guangdong, China, operating as an integrated professional sound and lighting business. Its stated activities cover R&D, manufacturing, distribution, design services, technical consultation, and related technical services, with products spanning professional audio equipment.

CertificationsThe supplier states that it holds an OHSAS18001:2007 certificate and other certifications. This provides explicit evidence of at least one management-system certification, although no details are provided on the other certifications or current validity.

R&D capabilityThe supplier reports an R&D center, 11 years of combined R&D engineer experience, and an independent professional sound brand created in 2015. It also states that the subsidiary focuses on intelligent, high-end, professional-grade sound-product R&D, supporting a positive assessment of innovation capability.

Production capacityProduction evidence includes six production lines, two factories within the technology park, reported output of 20,000 line array speakers, and a stated one-month lead time in both peak and off-peak seasons. The supplier also reports a manufacturing plant area of 1,500 square meters, indicating established production capability, although capacity for products other than line array speakers is not specified.

Customization capabilityThe supplier explicitly offers design services and technical consultation and states that it delivers related technical services for professional-grade sound products. These statements support some solution-design capability, but no specific customized-product examples, engineering process, minimum order requirements, or customization scope are provided.