What certifications does the G28 have?

The product is certified with CE and SGS.

Vtx PRO Audio G28 Dual 18 Inch Powerful Subwoofer

Name: Vtx PRO Audio G28 Dual 18 Inch Powerful Subwoofer
Brand: Guangzhou Hao Yang Pro Audio Manufactory
SKU: 1965465395

Guangdong, ChinaGuangzhou Hao Yang Pro Audio Manufactory

US$800.00-1,000.00

4 Pieces

Product profile

Noise

<102dB

Hi-Fi

Activity

Passive

Model NO.

G28

Operation Mode

Wire / Remote Control

Speaker System

Optional Combination

Speaker Material

Plywood

Application

Commercial

Certification

CE, SGS

THD

<0.005%

Sensitivity

96 dB

Transport Package

Fly Case

Specification

127X127X72CM

Trademark

DIASE

Origin

Guangzhou

HS Code

8518220000

Production Capacity

20 PCS/Month

Key features

High Power Output: Rated 1000W continuous, 2000W program, and 4000W peak power for intense bass.

Dual 18-Inch Drivers: Features two 18-inch neodymium drivers for deep and powerful low-frequency response.

Low Distortion: Total Harmonic Distortion (THD) is less than 0.005% for pure audio quality.

Wide Frequency Range: Frequency range of 35 Hz to 250 Hz (-10 dB) ensures comprehensive bass coverage.

Reverse Cardioid Design: Black side reverse cardioid configuration for precise sound control and directionality.

High Sound Pressure: Maximum sound pressure level reaches a peak of 132 dB for large venues.

Professional Certification: Certified with CE and SGS standards for safety and quality assurance.

Customization Support: ODM and OEM services available with dedicated R&D engineers for tailored solutions.

Company profile

Guangzhou Hao Yang Pro Audio ManufactoryGuangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2009-08-01 CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤24h CertifiedTerms of Payment: T/T, Western Union

AI-Powered supplier vetting

SummaryGuangzhou Hao Yang Pro Audio Manufactory is a privately owned Chinese manufacturer based in Guangzhou, Guangdong, established in 2006. It specializes in professional audio products, including line arrays, loudspeakers, power amplifiers, subwoofers, and sound systems, and reports exporting since 2009. The supplier operates 10 production lines and serves markets across Asia, Europe, Africa, the Americas, Australia, and domestic China. Its stated off-peak lead time is within 15 working days and peak-season fulfillment is one month. The supplier reports three years of R&D engineer experience and 41–50 quality-control staff, but no supplier management-system certification. The available information does not substantiate after-sales capability, financial credibility, customization capability, or specific customer cases.

Supplier typeThe supplier is identified as a privately owned combined business entity and a professional audio manufacturer integrating factory operations, R&D, production, and sales. Its stated product focus includes professional line arrays, loudspeakers, power amplifiers, subwoofers, and sound systems.

CertificationsThe supplier management-system certification field is explicitly recorded as NIL. This indicates no certification is evidenced in the provided information.

R&D capabilityThe supplier states that it integrates research and development and produces different professional line-array series under the DIASE brand. It reports three years of total R&D engineer experience, which supports the existence of R&D activity but provides limited evidence regarding innovation depth or outcomes.

Production capacityThe supplier identifies itself as a factory integrating production and sales, operates 10 production lines, and reports a 700.0 m² manufacturing plant with 41–50 quality-control staff. It also states fulfillment within 15 working days during off-peak periods and one month during peak season, providing explicit evidence of organized production capacity.