Is the amplifier suitable for home theaters?

Yes, it is designed for home theaters, bars, cinemas, stadiums, and line array systems.

Sr4-1800 High-Power Stage Class D 4 Channel 2u Digital 1800W Power Amplifier

Name: Sr4-1800 High-Power Stage Class D 4 Channel 2u Digital 1800W Power Amplifier
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 2326415645

Guangdong, ChinaGuangzhou Xinbaosheng Audio Equipment Co., Ltd.

US$590.00-625.00

1 Piece

Product profile

Customization

Available

Type

Professional Amplifier

Usage

Home Theater

Model NO.

SR4-1800

Sound Channel

4 Channels

Output Number

Voltage

90V~240V

Conductive Mode

Features

Ultra-Quiet Amplifier

Chassis

2u Channel

Signal-to-Noise Ratio

>110db

Gross Weight(Kg)

10kg

8 Ohms Stereo Power(RMS)

4 × 1800W / 8ω (RMS)

4 Ohms Stereo Power(RMS)

4 × 3000W / 4ω (RMS)

2 Ohms Stereo Power(RMS)

4 × 3800W / 2ω (RMS)

Specification

Trademark

Sinbosen

Origin

Guangdong Province, China

HS Code

8518400090

Key features

Robust Protection: Includes short-circuit protection and stable drive capability for line arrays.

Premium Connectors: Equipped with 4 NL4 and 1 NL8 genuine Neutrik output connectors.

Modular Design: Designed for easy maintenance and service with long-term stability.

Flexible Customization: Offers full customization, minor customization, and design-based options.

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: ≤5.40h

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.