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Sinbosen Professional 4 Channel Sound Amplifier Professional Power
US$500.00-700.00
1 Piece
Product profile
Customization
AvailableType
Professional AmplifierUsage
Hi-Fi, KTV System, Stage, KTV, Professional PerformanceModel NO.
DS -10QUsed For
ProfessionalTube Type
Transistor AmplifierFunction
Post Amplifier, Amplifier Combined, Pre-amplifierSound Channel
4CHOutput Number
4CHVoltage
110V or 220VElement Number
MonoamplifierConductive Mode
DAmplifier Type
Class Td Switching Power AmplifierAmplifier Name
Power AmplifierFrequency Response
20 Hz - 34 kHz8 Ohms Stereo Power(RMS)
1350wx4CH4 Ohms Stereo Power(RMS)
2100wx4CHFeature
Extended Heat Sink/Increase CapacitanceSpeaker
Dual/Single 15 Inch SpeakerApplication
Commercial, Professional Performance, ConcertService
OEM ODM Support ;After-Sale ServiceCertificates
CE, RoHSWarranty
Three YearsTransport Package
Strong PackingSpecification
483× 88× 396mmTrademark
SinbosenOrigin
Guangdong Province, ChinaHS Code
8518400090Production Capacity
1000 Units/ MonthKey features
Extended Warranty Coverage: Comprehensive 3-year warranty with free replacements for any defects.
High Power Output: Delivers up to 4200W at 4 Ohms and 2100W at 8 Ohms per channel.
Advanced Protection System: Includes ACL, IGM, short circuit, DC voltage, and thermal protection.
Flexible Voltage Operation: Supports 110V/220V with selectable operating range of 130-265V.
Superior Sound Quality: Low THD (<0.1%) and high signal-to-noise ratio (>112 dBA) for clear audio.
OEM and ODM Support: Accepts custom logo, packaging, and design modifications for branding.
Professional Connectivity: Equipped with Neutrik XLR and Speakon connectors for balanced input/output.
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 MOQ?
A:
There is no MOQ limit; you can order from 1 piece to 1,000,000 pieces.
Q:Are there any extra fees in China besides product value and shipping?
A:
No, there are no other fees needed in China.
Q:What are the payment terms?
A:
We accept TT, Western Union, PayPal, and credit card payments.
Q:How long does production take after payment?
A:
Orders under 5000 pcs take about 7 working days; larger orders require direct confirmation.
Q:What is the guarantee period?
A:
We provide a 3-year warranty. Any problems during this period are resolved with free replacements.
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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