Can I get a pre-production sample?

Yes, within 7 days after receiving the 30% deposit, we will provide a pre-production sample for confirmation.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

400W Pre-Amplifier with Digital USB La-400

Name: 400W Pre-Amplifier with Digital USB La-400
Brand: Guangzhou Lingyin Electronic Co., Ltd.
SKU: 878735035

Guangdong, ChinaGuangzhou Lingyin Electronic Co., Ltd.

US$210.00

1-29 Pieces

US$205.00

30-99 Pieces

US$200.00

100+ Pieces

Product profile

Customization

Available

Amplification Type

Passive

Speaker Material

Aluminium

Model NO.

LA-400

Usage

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

Adjusting Method

4-16 Ohms-70-100V

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

Digital USB Interface: Equipped with digital USB for versatile connectivity and playback.

4-Zone Amplification: Supports 4 independent zones with 70-100V line voltage output.

Class D Power Amplifier: High performance switching power supply with imported US AI Digital Chip.

Independent Channel Protection: Each channel has independent power supply; failure in one does not affect others.

Comprehensive Safety Features: Protects against excess current, overload, short-circuit, and over-heat.

Compact 1.5U Design: Thin 1.5U structure with SMT modular design for space efficiency.

10+ Years OEM/ODM Experience: Over 10 years of professional experience in public address and audio systems.

Flexible Customization: Offers flexible, minor, and full customization options from designs or samples.

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: ≤5.20h

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.