Does the product support OEM or ODM services?

Yes, we offer OEM and ODM support with flexible customization options including full customization and minor customization.

What certifications does the amplifier have?

The product holds CE and RoHS certifications.

What is the frequency response range?

The frequency response is 10Hz to 34kHz with a tolerance of +/-0.1dB.

800 Watts 1u Digital DSP 4 Channels Power Amplifier

Name: 800 Watts 1u Digital DSP 4 Channels Power Amplifier
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 2104527445

Guangdong, ChinaGuangzhou Xinbaosheng Audio Equipment Co., Ltd.

US$300.00-400.00

1 Piece

Product profile

Customization

Available

Type

Professional Amplifier

Usage

Hi-Fi, AV, KTV System, Stage

Model NO.

K4-800 dsp

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier, Amplifier Combined, Pre-amplifier

Sound Channel

4.1

Output Number

Voltage

110V or 220V

Element Number

Monoamplifier

Conductive Mode

Amplifier Type

1u Digital DSP Amplifier

Product Name

K4-800 DSP Power Amplifier

Class

Class D Power Amplifier

Channel

4 Channel

Output Power 8Ω

800wx4CH

Output Power 2Ω

1200wx4CH

Frequency Response

20 Hz - 20 kHz

Application

Commercial, Professional Performance

Certificates

CE, RoHS

Warranty

Three Years

Service

OEM ODM Support ;After-Sale Service

Transport Package

Strong Packing

Specification

Trademark

Sinbosen

Origin

Guangdong Province, China

HS Code

85184000

Production Capacity

5000 PCS/Month

Key features

Class D Digital Amplifier: Features high efficiency, high power density, and reliable R-SMPS power supply system.

1U Compact Design: Lightweight 8kg-11kg unit with small space occupation, ideal for easy installation.

DSP Parameter Control: Connect to computer via software to adjust parameters and set peak clipping limiter.

Wide Voltage Operation: Supports 90-265V~50Hz with PFC, adaptable for global power supply standards.

Comprehensive Protection: Includes short circuit, open circuit, thermal, overload, DC, and super audio protection.

High Signal-to-Noise Ratio: Achieves >106dB signal noise ratio for clear audio performance.

Professional Connectors: Equipped with Neutrik Speakon output and Combo XLR input sockets.

Three-Year Warranty: Covers quality problems with engineer support and free parts or labor.

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: ≤4.81h

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 warranty period?

We provide a comprehensive three-year warranty. If quality issues arise, please provide pictures or videos for engineer assessment and after-sale support.

Q:Can I adjust the amplifier parameters?

Yes, the unit includes a DSP processor that allows you to connect to a computer and set parameters via software.

Q:What is the minimum order quantity?

There is no minimum order quantity limit. You can order as few as 1 piece or up to 1,000,000 pieces.

Q:Is this amplifier suitable for subwoofers?

No, the K series is designed for middle and high speakers. It is not recommended for use with subwoofers.

Q:What are the lead times for shipping?

Both peak season and off-season lead times are within 15 workdays.