What is the net weight of the amplifier?

The net weight is 15kg, and the transport weight is 17kg.

What is the main usage scenario for this amplifier?

It is designed for KTV systems and professional audio applications.

High-Performance Domc E4.3 Four-Channel Pure Power Amplifier 400W*4

Name: High-Performance Domc E4.3 Four-Channel Pure Power Amplifier 400W*4
Brand: Weifang Domc Audio Co., Ltd
SKU: 2128755152

Shandong, ChinaWeifang Domc Audio Co., Ltd

US$1,039.00

1-9 Pieces

US$939.00

10+ Pieces

Sample price:US$1039.00/piece.Request sample

Product profile

Customization

Available

Type

Professional Amplifier

Usage

KTV System

Model NO.

E4.3

Used For

Professional

Tube Type

Transistor Amplifier

Function

Amplifier Combined

Sound Channel

4.1

Output Number

Voltage

AC 220V

Element Number

Monoamplifier

Conductive Mode

Weight

15kg

8ω Stereo Power

300W*4

4ω Stereo Power

400W*4

Rated Power

0.775V

Transport Package

Durable Double Cartons or Flight Case

Specification

470mm*485mm*88mm

Trademark

DOMC or OEM

Origin

Made in China

HS Code

8518400090

Production Capacity

500PCS Per Month

Key features

Professional Grade: Designed for KTV systems with 4.1 sound channels and AB conductive mode.

OEM/ODM Support: Offers custom branding and manufacturing services for partners.

Trusted Brand: AAA Credit Enterprise certified with a focus on quality and integrity.

Global Certification: Compliant with CE and FCC standards for international markets.

Efficient Design: Compact transistor amplifier with 33dB voltage gain and 15kg net weight.

Flexible Payment: Accepts T/T, Western Union, and Credit Card for secure transactions.

Fast Delivery: Average lead time of one month off-season, ensuring timely supply.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedProduct Certification

Weifang Domc Audio Co., Ltd

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2024-05-06Nearest Port: Shandong Port Weifang Port.Co.,Ltd., Qingdao PortAverage Response Time: ≤0.39hTerms of Payment: T/T, Western Union, Credit Card

AI-Powered supplier vetting

SummaryDongmei Audio Co., Ltd. is identified as a combined company operating in audio equipment manufacturing and sales, household appliances, lighting, technical services, and related activities. It demonstrates substantial R&D and customization capabilities, including 3D design, ODM, OEM for popular brands, recent product development, and documented design review, verification, and validation records. The supplier reports quality assurance and inventory capability, with stated lead times of within 15 workdays off-season and one month during peak season. However, important control gaps remain: no written corrective and preventive action or complaint-handling procedures, no valid manufacturing contract with associated subcontractors, no overseas warehouse or showroom, and no SDK availability. Financial information is present only as years, without sufficient evidence to assess credibility. Customer reach is described broadly, but specific customer cases are not provided.

Supplier typeThe supplier is classified as a combined company and operates in audio equipment manufacturing and sales, alongside household appliances, lighting, technical services, import/export, and related activities. It also reports inventory capability, but lacks a valid manufacturing contract with associated subcontractors.

After-Sales capabilityTechnical engineers are responsible for technical support during production and after-sales service, and the supplier has relevant service-capability records. Nevertheless, it has no written corrective and preventive action mechanism or written customer-complaint handling procedures, indicating a documented after-sales process deficiency.

R&D capabilityThe supplier provides 3D software design, ODM services, and multiple forms of customization, and reports new product development within the past year. R&D engineers handle customer requirements, technical support, and new product development, while auditable design documentation is available; however, no SDK is available.

Customization capabilityThe supplier explicitly supports customization from samples, customer designs, full customization, minor customization, and flexible customization. Its 3D design, ODM, and engineering support capabilities further support customized development and production.