What certifications does the product have?

The product is certified with RoHS and CE.

What payment methods are accepted?

We accept LC, T/T, D/P, and PayPal.

Is the amplifier module Class D?

Yes, it features a professional-grade audio Class D amplifier circuit.

Ka18 Professional 18 Inch Active Powered Subwoofer Bass Speaker

Name: Ka18 Professional 18 Inch Active Powered Subwoofer Bass Speaker
Brand: Guangzhou Xinbaosheng Audio Equipment Co., Ltd.
SKU: 2310690695

Guangdong, ChinaGuangzhou Xinbaosheng Audio Equipment Co., Ltd.

US$400.00-900.00

1 Piece

Product profile

Customization

Available

Noise

<102dB

Hi-Fi

Not Hi-Fi

Model NO.

KA18 active

Activity

Active

Operation Mode

Wire / Remote Control

Speaker Material

Wood

Application

Commercial, Home, Stage, KTV, Professional Performance

Frequency Response

40Hz-250Hz

Sensitivity

100db(1m/W)

Impedance

4ω

Feature

Support Strong Bass Sound

Transport Package

Strong Wooden Frame and Carton

Specification

70x38x25cm

Trademark

Sinbosen

Origin

Guangdong Province, China

HS Code

85182200

Production Capacity

1000 Units/ Month

Key features

Deep Bass Performance: 18-inch driver delivers impactful low-frequency output with 40Hz-250Hz response.

High Power Output: Rated power 700W and peak power 2500W with 1200W Class D amplifier module.

Advanced DSP Control: Built-in 48K DSP with FIR function, USB/RS485 connectivity for precise tuning.

LED Display Interface: Integrated LED screen allows easy adjustment of Gain, Bridge, Delay, and language.

Robust Construction: 18mm plywood wood case with polyurea paint for durability and professional finish.

Comprehensive Protection: Features temperature, short circuit, and DC protection for safe operation.

Versatile Connectivity: 2-channel output allows connection to extra passive speakers or line array systems.

Global Power Compatibility: PFC power supply supports AC 90-265V at 50-60Hz for worldwide use.

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: ≤4.21h

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.