What payment terms are accepted?

We accept LC, T/T, D/P, and PayPal as terms of payment.

What are the dimensions and weight of the amplifier?

The size is 483x429x44mm. The net weight varies by model, with the K4-1000 weighing 9kg.

K4-1000 4 Channels 1000W Class D Professional Audio Digital Power Amplifier Module

Name: K4-1000 4 Channels 1000W Class D Professional Audio Digital Power Amplifier Module
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 708136782

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.

K4-1000

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier, Amplifier Combined, Pre-amplifier

Sound Channel

4.1

Output Number

Voltage

90V~240V

Element Number

Monoamplifier

Conductive Mode

Amplifier Type

1u Digital Amplifier

Product Name

K4-1000 Power Amplifier

Class

Class D Power Amplifier

Output Power 4Ω

1400wx4CH

Output Power 8Ω

1000wx4CH

Frequency Response

20 Hz - 20 kHz

Channel

4 Channel

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

8518500000

Production Capacity

2000 Units/ Month

Key features

High Efficiency & Energy Saving: Low working temperature and compact design reduce operating and transportation costs significantly.

Professional Audio Performance: 1000W output per channel with >106dB signal-to-noise ratio and <0.05% THD for clear sound.

Comprehensive Protection System: Features short circuit, open circuit, thermal, overload, DC, and super audio protection mechanisms.

Flexible Customization Options: Supports OEM/ODM, full customization, minor customization, and flexible design adjustments.

Wide Voltage Compatibility: Operates on 90-265V AC power supply with PFC, suitable for global voltage standards.

Certified Quality Assurance: Products hold CE and RoHS certifications, ensuring safety and EMC standards compliance.

No Minimum Order Quantity: Flexible purchasing options with no MOQ limit, allowing orders from 1 piece to large volumes.

Quiet & Reliable Cooling: Equipped with high-quality fans and temperature control for quiet operation and efficient heat dissipation.

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: ≤4.35h

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 for this amplifier?

We provide a three-year warranty for the power amplifier. If there are quality problems, please provide pictures or videos for engineer assessment and after-sale support.

Q:Does the product support OEM or ODM customization?

Yes, we support OEM and ODM services. Customization options include full customization, customization from samples/designs, minor customization, and flexible customization.

Q:What is the minimum order quantity (MOQ)?

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

Q:What certifications does the amplifier have?

The products are certified with CE and RoHS, complying with safety and EMC standards.

Q:What are the lead times for production?

The average lead time is within 15 workdays for both peak season and off-season periods.