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Amplifier 2000W Professional PA Audio System Four Channels Da20.420
US$600.00-1,200.00
1 Piece
Product profile
Customization
AvailableType
Professional AmplifierUsage
Hi-Fi, AV, KTV System, AV, KTV System, Conference Hall,Stadium,Multi-FuncModel NO.
Da20.420Used For
ProfessionalTube Type
IC AmplifierFunction
Pre-amplifierSound Channel
2X3000WOutput Number
2Voltage
90-260VACElement Number
Push-Pull AmplifierConductive Mode
D(4Ω) Stereo Power
4X3400W8Ω Stereo Power
4X2000W2Ω Stereo Power
4X4760WPower Supply
90~260VAC, 50~60HzTransport Package
Carton Box or Flight CaseSpecification
45X483X461mmTrademark
RFOrigin
China (Mainland)HS Code
8518400090Production Capacity
2000PCS/MonthKey features
Advanced Protection: Features under voltage, DC, overheat, and overload protection for safety.
High Efficiency: Multi-loop control technology ensures efficiency over 95% and stable operation.
Low Distortion: THD+N is less than 0.01% with frequency response from 20Hz to 20kHz.
Wide Voltage Range: Adapts to 90-260VAC power supply for use in various environments.
OEM & ODM Support: Professional manufacturer welcomes custom design and private label services.
Multiple Certifications: Holds CE, RoHS, SGS, ISO9001, ISO14001, ISO27001, ISO20000-1, and ISO18001.
Fast Delivery: Stock orders ship in 3-7 days; new orders take 10-20 days after deposit.
Company profile

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.
Product Q&A
Q:How long is the warranty for the speakers?
A:
1year warranty.
Q:How about the delivery time?
A:
3-7days for stock. 10-20 days for new order depend on order quantity since receipt of 30% T/T deposit payment.
Q:What kind of payments does RF support?
A:
T/T, Western Union, Cash are accpeted.
Q:What's the MOQ?
A:
MOQ is 1pcs
Q:Can you produce according to customers' design?
A:
Yes we can, we are professional manufacturer,OEM & ODM are welcome .
Send Inquiry
*To:
Guangzhou Ruifeng Intelligence Technology Co., Ltd
Guangzhou Ruifeng Intelligence Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
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