Do you offer guarantee for the products?

Yes, we offer 1 years warranty to our products.

How to proceed an order for loudspeaker?

Firstly let us know your requirements or application. Secondly we quote according to your requirements or our suggestions. Thirdly customer confirms the samples and places deposit for formal order. Fourthly We arrange the production.

How to deal with the faulty?

Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%. Secondly, during the guarantee period, we will send new products with new order for small quantity. Or we can discuss the solution including re-call according to real situation.

Ks28 18 Inch Active Subwoofer for Complete Professional Sound System

Name: Ks28 18 Inch Active Subwoofer for Complete Professional Sound System
Brand: L-Solution Audio Engineering Co., Ltd
SKU: 2264260835

Guangdong, ChinaL-Solution Audio Engineering Co., Ltd

US$970.00

1-11 Pieces

US$960.00

12+ Pieces

Product profile

Customization

Available

Noise

<95dB

Hi-Fi

Model NO.

KS28-A

Activity

Active

Operation Mode

Button Control

Speaker System

Not

Speaker Material

Wood

Application

Commercial

Certification

CE, RoHS, CCC

Monitor

Not

THD

<0.005%

Product Name

Ks28 Active Subwoofer

Components

2×18 "

Frequency Response

29Hz-200Hz

Sensitivity(1m@1W)

99db

Max Splat 1m

142db

Power RMS/Peak

2400W/9600W

Nominal Lmpedance

4ω

AMP Module

1250W+1250W@8ω(with DSP)

Enclosure

18mm Birch Plywood &Black Painting

Product Size(mm)

565*1345*730mm

Shipping Size(mm)

1450*810*810mm

N.W(Kg)

84.1kg

G.W(Kg)(1PCS/Case)

131.6kg

Transport Package

Flight Case

Specification

565*1345*730mm

Trademark

L-solution

Origin

China

Production Capacity

5000

Key features

Deep Bass Frequency: Frequency response ranges from 29Hz to 200Hz for professional sound.

Durable Enclosure: Constructed from 18mm birch plywood with black painting finish.

Low Distortion: Total Harmonic Distortion (THD) is less than 0.005%.

High Sensitivity: Sensitivity reaches 99dB at 1m@1W for efficient sound projection.

Strict Quality Control: 100% inspection on material, structure, phase, and frequency response.

Global Certification: Certified with CE, RoHS, CCC, and ISO9001 standards.

Customization Support: OEM and ODM services available with full and flexible customization.

Company profile

Importers and ExportersFast DeliveryODM ServicesOEM Services

L-Solution Audio Engineering Co., Ltd

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤1.37h

AI-Powered supplier vetting

SummaryThe supplier operates in display devices, lighting fixtures, projection equipment, and mechanical and electrical equipment. It identifies as a professional technical supplier, offers 3D design, OEM, ODM, and multiple customization options, and reports inventory capability, contracted manufacturing relationships, and production lead times within 15 workdays in both off-peak and peak seasons. Quality-related credentials include ISO9001:2015, CE, and RoHS. After-sales and complaint-handling procedures are documented, while overseas warehouses, overseas showrooms, overseas agents or branches, SDK availability, and offline trade-show participation are absent. Financial assessment is inconclusive because the supplied financial figures are all zero or incomplete. The supplier claims OEM service for well-known brands and a 95% repurchase rate, but no specific customer cases are identified.

Supplier typeThe supplier presents itself as a professional technical supplier and its stated business scope covers display devices, lighting fixtures, projection equipment, and mechanical and electrical equipment. It also provides OEM and ODM services, indicating a manufacturing-oriented supplier profile rather than a purely trading or distribution profile.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE and RoHS product compliance certifications. These are explicit certifications relevant to quality management and product compliance, although the slices do not provide certificate validity dates or scope details.

After-Sales capabilityThe supplier states that it provides full after-sales support and reports a below-1% complaint rate, while its quality information records clear, followed procedures for corrective and preventive actions and customer complaints. These points explicitly support an established after-sales and complaint-management capability.

R&D capabilityThe supplier reports professional R&D capability, new products during the past year, 3D software design services, and ODM capability. However, it has no available SDK; the available evidence still explicitly supports product and design innovation capability.

Production capacityThe supplier reports growth to a professional team of over 30 staff, inventory capability, valid contracts with associated subcontractors, and lead times within 15 workdays in both off-peak and peak seasons. It can quote on FOB, EXW, and CIF terms and is positioned near Shenzhen and Guangzhou ports, supporting manufacturing and export execution, though overseas warehouse and branch capabilities are absent.

Customization capabilityThe supplier explicitly offers customization from samples, designs, minor customization, full customization, and flexible customization, supported by 3D software design services. Its stated ODM capability further indicates the ability to develop and manufacture customer-specific products.