Is the speaker Hi-Fi or passive?

This is a passive speaker system, not Hi-Fi.

Professional Speaker Single 18" Subwoofer Line Array System Audio System PA Vk18b20

Name: Professional Speaker Single 18" Subwoofer Line Array System Audio System PA Vk18b20
Brand: Guangzhou Ruifeng Intelligence Technology Co., Ltd
SKU: 900396765

Guangdong, ChinaGuangzhou Ruifeng Intelligence Technology Co., Ltd

US$400.00-700.00

1 Piece

Product profile

Customization

Available

Noise

Professional Speaker

Hi-Fi

Not Hi-Fi

Model NO.

VK18B20

Activity

Passive

Operation Mode

Wire / Remote Control

Speaker System

Optional Combination

Speaker Material

Wood

Application

Commercial, Home, Stadium,Theatre,Auditorium,Banquet Hall,Multi-Func

Certification

CE, RoHS, CCC

Monitor

No Screen

THD

<0.005%

System Type

Single 18" Subwoofer

Power Rating(AES)

600W

Sensitivity(1W/1m)

98dB

Function

Cable

Frequency Response

40Hz~250Hz(±3dB)/35Hz~300Hz(-10dB)

Nominal Impedance

8omega

Weight

53.2kg

Transport Package

Carton Box or Flight Case

Specification

600*566*690mm

Trademark

Origin

Guangzhou, China

HS Code

8518220000

Production Capacity

2000PCS/Month

Key features

High Power Output: 600W AES power rating with 126dB continuous and 132dB peak SPL.

Wide Frequency Response: Covers 40Hz-250Hz (+/-3dB) and extends to 35Hz-300Hz (-10dB).

Versatile Application: Ideal for stadiums, theatres, auditoriums, banquets, and touring.

Professional Build: Wooden enclosure with 18-inch ultra-low frequency driver and Neutrik connectors.

Low Distortion: THD less than 0.005% ensures clear and accurate audio reproduction.

Flexible Installation: Supports hanging or ground stacking for various setup configurations.

High Sensitivity: 98dB sensitivity (1W/1m) for efficient sound projection.

Certified Quality: Complies with CE, RoHS, and CCC safety and environmental standards.

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: ≤15h 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.