Powered by Made-in-China.com

Professional Digital Processor Audio 4 Input 8 Output Dp 448 Audio Speaker Management Processor
US$229.00-300.00
1 Piece
Product profile
Customization
AvailableType
Audio ProcessorUsage
Hi-Fi, AV, KTV System, Stage, Professional PerformanceModel NO.
DP 448Used For
ProfessionalTube Type
Transistor AmplifierFunction
Post Amplifier, Amplifier Combined, Pre-amplifierVoltage
220-240 VAC 50/60 HzElement Number
MonoamplifierConductive Mode
DProduct Name
Dp 448 Digital ProcessorNumber of Channels
4 Input 8 OutputFrequency Response
20Hz - 20kHz, +/- 0.5dBPower Requirements
25 WApplication
Commercial, Professional PerformanceDimensions
44mm(H)X146mm(D)X482mm(W)Warranty
2 YearsSafety/Compliance
Ce, FCC, RoHSService
OEM ODM Support ;After-Sale ServiceTransport Package
Strong PackingSpecification
2.5 kgTrademark
SinbosenOrigin
Guangdong Province, ChinaHS Code
8542310000Production Capacity
1000 Units/ MonthKey features
High-Resolution DSP Processing: Features 32-bit high-speed DSP processor for superior signal dynamic range and resolution.
Wide Voltage Compatibility: Supports global voltage input from AC 95-250V/50-60Hz with automatic adjustment.
Independent Delay Control: Each output channel allows independent delay adjustment with a max of 6.979mS.
Noise-Free Operation: Equipped with 360-degree rotary encoder ensuring no turn-on pops or zipper noise.
Extensive Storage Capacity: Includes 20 user-defined storage modes with automatic shutdown saving.
Professional Audio Performance: Delivers THD+N of 0.003% and dynamic range >113dB for pristine sound quality.
Flexible Customization: Offers full customization, minor customization, and design-based options.
Comprehensive Warranty: Backed by a 2-year warranty covering mechanical defects.
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: ≤7.17h
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 frequency response range?
A:
The frequency response is 20Hz to 20kHz with a tolerance of +/- 0.5dB.
Q:Does the device support global voltage?
A:
Yes, it features a switch mode power supply that accepts AC 95-250V/50-60Hz.
Q:How many input and output channels does it have?
A:
It has 4 line inputs, 1 RTA Mic input, and 8 line outputs.
Q:Is customization available for this product?
A:
Yes, we offer full customization, minor customization, and customization from samples or designs.
Q:What is the warranty period?
A:
The product comes with a 2-year warranty.
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
Sinbosen 2 Input 6 Output PA2 Professional Audio Sound System Digital Processor
US$200.00-250.00
1 Piece(MOQ)
D260 2 Input 6 Output DSP Digital Effects Sound Audio Processor
US$159.00-200.00
1 Piece(MOQ)
Sinbosen Professional System 2 Input 6 Output PA Audio Effect Digital Processor
US$122.00-159.00
1 Piece(MOQ)
Sinbosen Karaoke Digital Audio Processor D260 Professional PRO Karaoke Audio Processor
US$159.00-200.00
1 Piece(MOQ)
Cvr Professional Stage Audio Mixer Karaoke Professional Digital Audio Processor
Negotiable
1 Piece(MOQ)
Digital Sound Processor+Audio DSP+Sound Processor
Negotiable
1 Piece(MOQ)
4 in 4 out DSP Audio Processor Afc, Automix, RS 232 and Camera Control, Dante Ultimo 4 Channel
US$246.00-320.00
1 Piece(MOQ)
16 in 16 out DSP Audio Processor Afc, Aec, Anc, Automix, RS 232 and Camera Control Dante Ultimo 4 Channel
US$433.00-563.00
1 Piece(MOQ)
PRO-3.6 Professional Audio Speaker Line Array Sound Equipment Management Processor
Negotiable
1 Piece(MOQ)
PRO Sound Ascsonic 96kHz Digital DSP Audio Processor
US$355.00-365.00
1 Piece(MOQ)
8 in 8 out DSP Audio Processor Afc, Automix, RS 232 and Camera Control, Dante 8 Channel
US$471.00-612.00
1 Piece(MOQ)
4 Input 8 Output PA DSP Digtal Speaker Processor DJ Stage
US$355.00-365.00
1 Piece(MOQ)
4 in 4 out DSP Audio Processor Afc Automix RS 232 and Camera Control
US$169.00-220.00
1 Piece(MOQ)
Input/Output: 6 Channels All Ke Audio China High-Performance Processor Auto-Backup
US$3,481.14-10,106.54
1 Set(MOQ)



















