What is the lead time for samples?

The sample lead time is 1 day, with production lead times within 15 workdays for both peak and off-peak seasons.

Are OEM services available?

Yes, we offer OEM services including full customization, customization from designs, and minor customization.

What is the power supply voltage range?

The operating voltage is selectable between 130-265 V and 65-135 V.

Sinbosen Ds-14K 2 Channel Extreme Audio Amplifier Board Portable Speaker Amplifier

Name: Sinbosen Ds-14K 2 Channel Extreme Audio Amplifier Board Portable Speaker Amplifier
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 707319492

Guangdong, ChinaGuangzhou Xinbaosheng Audio Equipment Co., Ltd.

US$540.00-600.00

1 Piece

Product profile

Customization

Available

Type

Professional Amplifier

Usage

Hi-Fi, KTV System

Model NO.

DS-14K

Used For

Professional

Tube Type

Transistor Amplifier

Function

Pre-amplifier

Sound Channel

2 Channels

Output Number

2 Channels

Voltage

110V or 220V

Element Number

Monoamplifier

Conductive Mode

Business Type

Manufactuer

Amplifier Name

Power Amplifier

Color

Red, Black, Blue

Capacitance

3300UF, 220V

8ωStereo Power(RMS)

2400wx2CH

4ωStereo Power(RMS)

4400wx2CH

Output Power

20-20kHz

Application

Stage, Large Concert, Outdoor Activities

Supply Spare Parts

Yes

Certificate

CE, RoHS

Warranty

3 Years

Special Service

OEM Service Offered

Transport Package

Strong Carton Packing 580*180*560mm

Specification

Trademark

Sinbosen

Origin

Guangzhou China

HS Code

8518400090

Production Capacity

2000 Per Month

Key features

High Power Output: Delivers 4400Wx2 at 4 Ohms and 2400Wx2 at 8 Ohms for professional audio applications.

3-Year Warranty: Comprehensive coverage with free accessories and engineer support for quality issues.

No MOQ Limit: Flexible ordering from 1 piece up to 1,000,000 pieces without quantity restrictions.

Scalable Voltage: Operates on 110V or 220V with selectable voltage gain for global compatibility.

Premium Components: Uses original ONSEMI transistors and high-quality 3300UF capacitors for superior sound.

Comprehensive Protection: Includes short circuit, DC voltage, transient, and current protection schemes.

Bridge Mode Operation: Supports bridge-mode for touring applications with up to 14000W output.

Professional Certification: Products certified with CE and RoHS standards for safety and compliance.

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: ≤4.94h

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.