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Sinbosen Ds-22q 4 Channel 5000W Class Td Switch Power Amplifier Audio Sound
US$500.00-900.00
1 Piece
Product profile
Customization
AvailableType
Professional AmplifierUsage
Hi-Fi, KTV SystemModel NO.
DS-22QUsed For
ProfessionalTube Type
Transistor AmplifierFunction
Pre-amplifierSound Channel
2Output Number
2Voltage
110V or 220VElement Number
MonoamplifierConductive Mode
DAmplifier Type
Professional Power AmplifierClass
Td Power Amplifier8Ωstereo Power(RMS)
2500wx4CH4Ωstereo Power(RMS)
46500wx4CHFrequency Response
20 Hz - 34 kHzCapacitor
3600UF 200VSubwoofer
18/21 Inch SubwooferColor
Blue, Black, RedCertificates
Ce RoHSWarranty
3 YearsTransport Package
Strong PackingSpecification
580× 180× 560mmTrademark
SinbosenOrigin
Guangdong Province, ChinaHS Code
8518400090Production Capacity
2000 Units/ MonthKey features
High Power Output: 4x2500W into 8 Ohms, 4x4650W into 4 Ohms for superior sound quality.
Class TD Technology: Advanced switching power amplifier with high efficiency and low distortion.
Comprehensive Protection: Features ACL, IGM, short circuit, DC voltage, and temperature protection.
Premium Components: Uses ONSEMI transistors, Neutrik connectors, and high-quality capacitors.
Flexible Configuration: Supports bridge-mode operation and selectable voltage gain settings.
OEM Service Available: Accepts custom logos and packaging for professional branding needs.
Certified Quality: CE and RoHS certified with a 3-year warranty for peace of mind.
Efficient Cooling: Built-in 12 fans ensure optimal temperature control during operation.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤4.71h
AI-Powered supplier vetting
SummarySinbosen demonstrates broad customization and ODM capability, has introduced new products within the past year, and reports RoHS compliance. It offers small orders and customized samples, a stated three-year warranty, 18-hour service availability, and free after-sales support for quality or product problems. Production indicators include seven production lines, six to ten quality-control staff, inventory capability, and lead times within 15 working days in both peak and off-season periods. However, the supplier has no valid manufacturing-capacity contract with related subcontractors, no supplier management-system certification, no overseas warehouse, overseas branch or agent, showroom, or offline trade-show participation. Inspection and supplier-assessment procedures exist without records, and approved-supplier lists lack signatures or dates. Financial information is present only as year labels, so financial credibility cannot be verified. Customer-case evidence is limited: no Fortune 500 cooperation or...
Supplier typeThe supplier presents itself as a manufacturer with R&D, ODM, customization, inventory, and seven production lines. It exports mainly to Europe and North America, but has no overseas warehouse, branch, agent, showroom, or overseas-service country coverage.
CertificationsRoHS is explicitly identified as the supplier’s sustainable-development and product-compliance certification. However, supplier management-system certification is listed as NIL, so certification coverage is limited to the stated product-related standard.
After-Sales capabilityThe supplier states that it provides a three-year warranty, welcomes small orders and customized samples, offers 18-hour online service, and provides free after-sales support for quality or product problems. These are explicit service commitments, although no performance records are provided.
R&D capabilityThe supplier reports new products within the past year, ODM service, and broad design customization. It has two years of total R&D-engineer experience and no available SDK, indicating some product-development capability but limited evidence of advanced technical integration.
Production capacityProduction evidence includes seven production lines, six to ten quality-control staff, inventory capability, 30 qualified service-capability suppliers, and lead times within 15 working days in peak and off-season periods. A material control weakness is that no valid manufacturing-capacity contract exists with related subcontractors, while inspection and supplier-assessment procedures lack records.
Customization capabilityThe supplier explicitly supports customization from samples, full customization, customization from designs, minor customization, flexible customization, ODM services, and customized samples for small orders. This is direct evidence of broad customization flexibility.
Client casesThe supplier reports no OEM service for popular brands and no cooperation with Fortune 500 companies. No named customers, project examples, or verifiable case studies are provided, so customer-case strength cannot be established.
Product Q&A
Q:What is the minimum order quantity?
A:
There is no MOQ limit; you can order from 1 piece to 1,000,000 pieces.
Q:Are there any additional fees in China?
A:
No, you only need to pay for the product value and shipping cost.
Q:What payment methods are accepted?
A:
We accept TT, Western Union, and PayPal for secure transactions.
Q:How long does production take?
A:
Orders under 5000 pcs take about 10 working days; larger orders require confirmation.
Q:What is the warranty period?
A:
We provide a 3-year guarantee with free replacements for any defects.
Send Inquiry
*To:
Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
Guangzhou Xinbaosheng Audio Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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