How is the cooling system designed?

It features 8 high-quality fans and an extended heatsink board for enhanced heat dissipation.

Can the voltage gain be adjusted?

Yes, the gain is separately controllable with 8 selectable levels from 23 to 44 dB.

What is the frequency response range?

The frequency response is 20 Hz - 34 kHz with a tolerance of +0/-0.3dB.

Professional Sound System Class D Power Amplifier Fp22000q 4 Channel Amplifier

Name: Professional Sound System Class D Power Amplifier Fp22000q 4 Channel Amplifier
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 753349032

Guangdong, ChinaGuangzhou Xinbaosheng Audio Equipment Co., Ltd.

US$500.00-855.00

1 Piece

Product profile

Customization

Available

Type

Professional Amplifier

Usage

Hi-Fi, AV, KTV System, Stage

Model NO.

FP22000Q

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

Fp22000q Power Amplifier

Frequency Response

20 Hz - 34 kHz

Channel

4 Channel

Class

Application

Commercial, Professional Performance

Certificates

Ce, RoHS

Warranty

Three Years

Service

OEM ODM Support ;After-Sale Service

Transport Package

Strong Packing

Specification

65&60&15cm

Trademark

Sinbosen

Origin

Guangdong Province, China

HS Code

8518400090

Production Capacity

1000 Units/ Month

Key features

High Power Output: 4x4650W into 4 Ohms, 4x2500W into 8 Ohms for powerful sound.

Enhanced Cooling System: 8 high-quality fans and extended heatsink for better heat dissipation.

Upgraded Capacitor: 3600UF 200V capacitor adds 300UF capacity for louder bass.

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

Flexible Voltage Gain: Separately controllable gain with 8 selectable levels from 23 to 44 dB.

Wide Frequency Response: 20 Hz - 34 kHz response ensures high-fidelity audio reproduction.

Low Distortion: THD <0.1% at 1W for clear and accurate sound quality.

No MOQ Limit: Order from 1 piece to 1,000,000 pieces with no minimum quantity restriction.

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: ≤4.09h

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.