What is the warranty period for the DP 448?

The product comes with a 2-year warranty.

What certifications does the audio processor have?

The product is certified with CE, FCC, and RoHS standards.

What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 set.

Audio Processor Manufacturers 4 Input 8 Output Dp 448 Professional Audio Effect Processor

Name: Audio Processor Manufacturers 4 Input 8 Output Dp 448 Professional Audio Effect Processor
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 772292532

Guangdong, ChinaGuangzhou Xinbaosheng Audio Equipment Co., Ltd.

US$229.00-300.00

1 Piece

Product profile

Customization

Available

Type

Audio Processor

Usage

Hi-Fi, AV, KTV System, Stage, Professional Performance

Model NO.

DP 448

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier, Amplifier Combined, Pre-amplifier

Voltage

220-240 VAC 50/60 Hz

Element Number

Monoamplifier

Conductive Mode

Product Name

Dp 448 Digital Processor

Number of Channels

4 Input 8 Output

Frequency Response

20Hz - 20kHz, +/- 0.5dB

Power Requirements

25 W

Application

Commercial, Professional Performance

Dimensions

44mm(H)X146mm(D)X482mm(W)

Warranty

2 Years

Safety/Compliance

Ce, FCC, RoHS

Service

OEM ODM Support ;After-Sale Service

Transport Package

Strong Packing

Specification

2.5 kg

Trademark

Sinbosen

Origin

Guangdong Province, China

HS Code

8542310000

Production Capacity

1000 Units/ Month

Key features

Professional DSP Processing: 32-bit high-speed DSP with 32-bit converters for high resolution signal dynamic range.

Wide Voltage Compatibility: Supports AC 95-250V/50-60Hz with switch mode power supply for global use.

Precise Delay Control: Independent channel delay adjustment with max 6.979mS and 0.021mS step distance.

Noise-Free Operation: 360-degree rotary encoder ensures no turn-on pops or zipper noise during operation.

Flexible Customization: OEM/ODM support available with options for full, minor, and sample-based customization.

Memory Storage: 20 user-defined storage modes with automatic shutdown save for all settings.

High Fidelity Audio: Frequency response 20Hz-20kHz with >113dB dynamic range and 0.003% THD+N.

Versatile Application: Suitable for Hi-Fi, KTV, Stage, Studio, Conference, and Theater environments.

Company profile

High Repeat Buyers ChoiceYears of Export Experience

Guangzhou Xinbaosheng Audio Equipment Co., Ltd.

Guangdong, China

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: ≤5.55h

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.