Can the voltage gain be adjusted?

Yes, the voltage gain is selectable with 8 levels ranging from 23dB to 44dB for precise control.

What protection features are included?

It offers comprehensive protection including ACL, IGM, AutoRamp, short circuit, DC voltage, and current inrush protection.

Is OEM service available for this amplifier?

Yes, OEM service is offered, allowing for customization based on samples, designs, or specific requirements.

Chinese Audio Fp20000q Professional High Power Subwoofer Amplifier

Name: Chinese Audio Fp20000q Professional High Power Subwoofer Amplifier
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 753842042

Guangdong, ChinaGuangzhou Xinbaosheng Audio Equipment Co., Ltd.

US$500.00-799.00

1 Piece

Product profile

Customization

Available

Type

Professional Amplifier

Usage

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

Model NO.

FP20000Q

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier, Amplifier Combined, Pre-amplifier

Sound Channel

4CH

Output Number

4CH

Voltage

110V or 220V

Element Number

Monoamplifier

Conductive Mode

Product Name

Fp20000q Power Amplifier

Class

Frequency Response

20 Hz - 34 kHz

Channel

4 Channel

8 Ohm Stereo Power(RMS)

2200W X 4CH

4 Ohm Stereo Power(RMS)

4000W X 4CH

Warranty

3 Years

Certificate

Ce, RoHS

Service

OEM Service Offered

Transport Package

Strong Carton Packing

Specification

65&60&15cm

Trademark

Sinbosen

Origin

Guangdong Province, China

HS Code

8518400090

Production Capacity

1000 Units/ Month

Key features

High Power Output: Delivers 4000W x 4CH at 4 Ohms and 2200W x 4CH at 8 Ohms for powerful audio performance.

Upgraded Components: Features 3600UF 200V capacitors and 8 rear panel fans for enhanced bass and heat dissipation.

Comprehensive Protection: Includes ACL, IGM, short circuit, DC voltage, and current inrush protection schemes.

Flexible Voltage Gain: Offers selectable voltage gain levels from 23dB to 44dB for precise input control.

Versatile Connectivity: Equipped with 3-pin XLR balanced inputs and 2-pole binding post outputs per channel.

Low Distortion: Achieves THD <0.1% and Signal-to-Noise Ratio >112 dBA for clear, high-fidelity sound.

OEM Service Available: Supports OEM customization with professional engineering support for tailored solutions.

Wide Application: Ideal for concerts, KTV, stage performances, and large-scale entertainment events.

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.