What is the monthly production capacity?

Our monthly output exceeds 2000 pieces.

What certifications does the product have?

The product has CE, RoHS, SGS, ISO9001, ISO14001, ISO27001, ISO20000-1, and ISO18001 certifications.

Is after-sales service available?

Yes, we provide 24 hours after-sales service.

4 Channel Professional Loudspeaker Amplifier for PA Line Array Sound System High Power Digital with Da6.4

Name: 4 Channel Professional Loudspeaker Amplifier for PA Line Array Sound System High Power Digital with Da6.4
Brand: Guangzhou Ruifeng Intelligence Technology Co., Ltd
SKU: 878519665

Guangdong, ChinaGuangzhou Ruifeng Intelligence Technology Co., Ltd

US$680.00-800.00

1 Piece

Product profile

Customization

Available

Type

Professional Amplifier

Usage

Hi-Fi, AV, KTV System, AV, KTV System, Conference Hall,Stadium,Multi-Func

Model NO.

DA6.4

Used For

Professional

Tube Type

Transistor Amplifier

Function

Pre-amplifier

Sound Channel

4X650W

Output Number

4 Channel

Voltage

90-260VAC

Element Number

Push-Pull Amplifier

Conductive Mode

(4Ω) Stereo Power

4X1100W

8Ω Stereo Power

4X650W

2Ω Stereo Power

4X1870W

Transport Package

Carton Box or Flight Case

Specification

45X483X461mm

Trademark

Origin

China (Mainland)

HS Code

8518400090

Production Capacity

2000PCS/Month

Key features

High Efficiency: Multi-loop control technology ensures efficiency exceeds 95%.

Comprehensive Protection: Features under voltage, DC, overheat, temperature, and overload protection.

Low Distortion: THD+N is less than 0.01% with S/N ratio of at least 107dB.

Versatile Application: Suitable for PA systems, KTV, conference halls, stadiums, and theaters.

Stable Performance: Active PFC and soft switching power technology for harsh environments.

Certified Quality: Holds CE, RoHS, SGS, ISO9001, and other international certifications.

OEM/ODM Support: Professional manufacturer offering OEM and ODM services.

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.