What is your sample policy?

We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the freight.

Do you test all your products before delivery?

Yes, we have 100% test before delivery. We make sure our good quality.

Vk Brand Professional Single 18-Inch Line Array Subwoofer Passive Sub-Bass

Name: Vk Brand Professional Single 18-Inch Line Array Subwoofer Passive Sub-Bass
Brand: Guangzhou Ruifeng Intelligence Technology Co., Ltd
SKU: 853810695

Guangdong, ChinaGuangzhou Ruifeng Intelligence Technology Co., Ltd

US$680.00-885.00

1 Piece

Product profile

Customization

Available

Amplification Type

Passive

Speaker Material

Wood

Model NO.

PT18S

Usage

Stage/DJ, Karaoke, Home Theatre System, Auditorium,Stadium

Adjusting Method

by Wire

Sound Channel

Non-Direction

Structure

Bass Reflex Enclosure

Function

Cable

SNR

Passive

System Type

Single 18-Inch Subwoofer

Sensitivity(1W/1m)

98dB

Power Rating(AES)

1000W

Spl(Continue/Peak)

124.5dB/132.2dB

Frequency Response

40Hz~900Hz(±3dB)/33.5Hz~1000Hz(-10dB)

Norminal Imdepence

8Ω

Dimension(H×w×d)

543×600×800mm

Lf

1×18''

Weight

49kg

Transport Package

543× 600× 800mm

Specification

single 18 inch subwoofer

Trademark

Origin

China

HS Code

8518220000

Production Capacity

1500PCS/Month

Key features

High Power Output: 1000W AES power rating with 124.5dB continuous SPL for powerful sound.

Premium Speaker Unit: Equipped with a European well-known brand 18-inch speaker unit.

Versatile Application: Suitable for touring, stadiums, theaters, and fixed installations.

100% Quality Testing: All products undergo 100% testing before delivery to ensure quality.

Fast Stock Delivery: 3-7 days delivery time available for items in stock.

OEM & ODM Service: Professional manufacturer welcoming custom design and production.

Comprehensive Certifications: Holds CE, RoHS, SGS, ISO9001, and other international certifications.

Low Frequency Performance: Frequency response from 33.5Hz to 1000Hz for deep bass.

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.