Powered by Made-in-China.com
Wholesale K4-1400 4 Channels 2000W Amplifier 1u Digital Power Amplifier
US$400.00-520.00
1 Piece
Product profile
Customization
AvailableType
Professional AmplifierUsage
Hi-Fi, AV, KTV System, StageModel NO.
K4-1400Used For
ProfessionalTube Type
Transistor AmplifierFunction
Post Amplifier, Amplifier Combined, Pre-amplifierSound Channel
4.1Output Number
4Voltage
110V or 220VElement Number
MonoamplifierConductive Mode
DAmplifier Type
1u Digital AmplifierProduct Name
K4-1400 Power AmplifierClass
Class D Power AmplifierChannel
4 ChannelOutput Power 4Ω
2200wx4CHOutput Power 8Ω
1400wx4CHFrequency Response
20 Hz - 20 kHzApplication
Commercial, Professional PerformanceCertificates
CE, RoHSWarranty
Three YearsService
OEM ODM Support ;After-Sale ServiceTransport Package
Strong PackingSpecification
1UTrademark
SinbosenOrigin
Guangdong Province, ChinaHS Code
85184000Production Capacity
5000 PCS/MonthCompany 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: ≤5.15h
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.
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
You may also like
DSP20kq-Pfc 4-Channels 20000W Class D 90V-260V Digital DSP Audio Power Amplifier
US$830.00
1 Piece(MOQ)
DSP 2 Ohms Stable D4-3000 Professional 4 Channnels 6500W DSP 1u Digital Power Amplifier Audio Sound
US$900.00-1,000.00
1 Piece(MOQ)
Da18K4 18000W 4 Channel 1u Class D Digital Professional Audio Speaker Stereo DSP Power Amplifier
US$100.00-760.00
1 Piece(MOQ)
D18K4 4 Channel Class D 1u Professional Audio Digital Power Amplifier for Livehouse
US$679.00-700.00
1 Piece(MOQ)
La8 4 Output Channel Professional Digital Audio Power Amplifier with DSP Function
US$300.00-700.00
1 Piece(MOQ)
Xiy Ma4120 4 Channels 1200W*4 Digital Power Amplifier Professional for Stage Karaoke
US$254.29-264.29
1 pieces(MOQ)
K4-1700 4 Channels Sound Professional Audio 1700 Watts Digital 1u Class D Power Amplifiers
US$500.00-550.00
1 Piece(MOQ)
Sinbosen Digital Amplifier 1u Karaoke Home Audio Amplifier 4 Channels 450 Watt Power Amplifier
US$145.00-165.00
1 Piece(MOQ)
Amplifier with Dante Fn18K4 4 Channels 18000W Class D 1u Digital DSP Power Amplifier
US$1,050.00-1,080.00
1 Piece(MOQ)
Elong 410 2X3000W 4 Channel 1u Class D Professional Power Amplifier Sound Amplifier
US$300.00-500.00
1 Piece(MOQ)
Digital Switching Power Amplifier with Four Channels and Touch Screen
US$1,503.55-1,531.92
1 unit(MOQ)
Professional 4 Channel High Power 960W 1u Digital Audio Video Power Amplifiers Class D Power AMP
US$219.00-262.00
20 Pieces(MOQ)
Dt10kq Professional 4 Channel 10000W DSP Fir Dante Digital Power Amplifier
US$100.00-1,050.00
1 Piece(MOQ)
D32K4 4CH 6700 Watts Big Power Class D Digital 1u Rack Mount Audio Amplifier
US$844.00-870.00
1 Piece(MOQ)
Ca-2.2 2 Channels Digital Audio 2000 Watts Power Amplifier Professional Class D
Negotiable
1 set(MOQ)
Cvr D-2004 4 Channels Digital Audio 3400watts Power Amplifier
Negotiable
1 Piece(MOQ)



















