How long does it take to deliver the product?

The delivery time ranges from 2 to 25 days depending on the order.

What protection features are included?

It includes complete protection against short circuit, overload, high temperature, clip, and DC issues.

Does the amplifier have an auto standby function?

Yes, it has a built-in auto standby feature that activates after one minute of no signal input.

La-4240d Four Channel Commercial Installations Class-D AC DC 24V Power Digital Amplifier

Name: La-4240d Four Channel Commercial Installations Class-D AC DC 24V Power Digital Amplifier
Brand: Guangzhou Lingyin Electronic Co., Ltd.
SKU: 755377542

Guangdong, ChinaGuangzhou Lingyin Electronic Co., Ltd.

US$222.00-999.00

1 Piece

Sample price:US$333.00/piece.Request sample

Product profile

Customization

Available

Amplification Type

Passive

Speaker Material

Aluminium

Model NO.

LA-4240D

Usage

Stage/DJ, Karaoke, Portable Player, Home Theatre System, Computer

Adjusting Method

4 Ohms

Sound Channel

Structure

Amplifier

Function

SNR

81-90dB

Place of Origin

Guangzhou, Cn

Brand Name

Qqchinapa

Certificate

Ce, FCC, RoHS, CB

Protetion

High Temp, Overload&Short-C

Factory History

More Than 10 Years

Warranty

3 Years

Deliver Time

2-25days

Factory Ability

OEM ODM

Transport Package

Carton

Specification

CE. CB, CCC. FCC. ROHS

Trademark

QQ CHINA, Lingba, OEM

Origin

Guangzhou, Guangdong, China

Production Capacity

20000PCS/3months

Key features

Class-D Digital Technology: Switching power technology with 85% efficiency, low heat generation, and minimal rack space.

Dual Voltage Input: Switchable AC 115V-230V with optional 24V DC input for global installation support.

Comprehensive Protection: Built-in safeguards against short circuit, overload, high temperature, clip, and DC issues.

Flexible Speaker Output: Supports both high impedance 100V and low impedance 4-16 Ohms for PA and Hi-Fi systems.

Auto Standby Feature: Automatically enters standby after 1 minute of no signal and wakes instantly upon input detection.

OEM/ODM Capability: Over 10 years of experience with flexible customization options from designs or samples.

3-Year Warranty: Comprehensive 3-year warranty coverage for all mechanical defects and parts.

Multiple Channel Options: Available in 1, 2, or 4 channel configurations with RMS power ranging from 120W to 500W.

Company profile

Cooperated with Fortune 500Full Customization100% Finished Products InspectionPrivate Mold

Guangzhou Lingyin Electronic Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤5.50h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Guangzhou’s Baiyun District and operates in manufacturing. It demonstrates documented procedures for supplier-service assessment, corrective and preventive actions, complaint handling, and quality assurance. The supplier reports ISO9001:2015, ISO45001:2018, ISO14001, CE, and other certifications. R&D evidence includes new products within the past year, ODM services, SDK availability, and broad customization options. It reports OEM service for well-known brands, inventory capability, participation in the INTERSEC Exhibition, and access to Guangzhou and Shenzhen ports. However, it lacks a valid manufacturing contract with affiliated subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and reports zero countries with overseas services. Financial information is only represented by year labels, so financial strength cannot be determined.

Supplier typeThe supplier is classified as a factory, with a combined company type, located in Guangzhou’s Baiyun District; associated companies are in manufacturing. This directly supports its identity as a manufacturing supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, ISO14001, CE, and other certifications. These stated certifications provide explicit evidence of management-system and product-compliance credentials, although no certificate scope or validity details are provided.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, plus inventory capability and written supplier-service assessment procedures. However, it has no overseas warehouse, showroom, agent, or branch, and reports service coverage in zero countries, limiting evidence of overseas after-sales infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM services, and an available SDK. These are explicit indicators of active R&D and product-development capability.

Production capacityThe supplier is a factory, reports OEM service for well-known brands, inventory capability, 31 qualified suppliers, documented supplier-capability assessment, and peak-season fulfillment of one month. A stated lack of valid contracts with affiliated subcontractors is a production-governance weakness, but the records still provide explicit evidence of production capability.

Customization capabilityThe supplier offers flexible, minor, and full customization, including customization from customer designs and samples. It also reports ODM service, providing direct evidence of broad customization capability.

Client casesThe supplier reports OEM service for well-known brands and participation in the INTERSEC Exhibition. These indicate some brand-serving and market-exposure experience, but no specific customer names, project details, or verifiable case studies are provided.