What is the output configuration of this amplifier?

This professional amplifier supports 2 to 4 output channels.

Where is the product manufactured?

The product originates from Foshan, Guangdong, China.

a Series Class D Ring Transformer Power Amplifier 2CH 4CH Professional Audio Amplifier

Name: a Series Class D Ring Transformer Power Amplifier 2CH 4CH Professional Audio Amplifier
Brand: Resonance Audio Equipment Co., Ltd.
SKU: 2183853852

Guangdong, ChinaResonance Audio Equipment Co., Ltd.

US$144.00

1 Piece

Sample price:US$144.00/piece.Request sample

Product profile

Customization

Available

Type

Professional Amplifier

Usage

AV, KTV System

Model NO.

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier

Sound Channel

2-4

Output Number

Voltage

Wide Voltage

Element Number

Push-Pull Amplifier

Conductive Mode

Transport Package

Box

Specification

A high - carrier Class D amplifier circuit with hi

Trademark

RESONANCE

Origin

China

Production Capacity

10000pieces/Year

Key features

OEM & ODM Services: Long-term stable cooperation with global brands for full and flexible customization.

Wide Voltage Design: Engineered with wide voltage elements for versatile power supply compatibility.

Professional Class D Circuit: High-carrier Class D amplifier circuit ensuring superior sound quality and performance.

100% Quality Inspection: Finished products undergo visual and functional inspection with uniform instructions.

Flexible Customization: Options include customization from samples, designs, minor tweaks, or full customization.

Established Manufacturing: Modern plant with 8000 sqm, SMT, and reflow soldering machines since 2013.

Global Supply Capability: 11 years of export experience with 4 production lines and international shipping terms.

Low MOQ Requirement: Minimum Order Quantity is 1 unit, allowing for small batch purchases.

Company profile

Resonance Audio Equipment 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: 11 years CertifiedNearest Port: Guangzhou port, Shenzhen portAverage Response Time: ≤2.45h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a professional technical supplier offering 3D software design, OEM, ODM, and multiple customization options. It reports four production lines, SMT, a crest welder, an aging machine, standardized finished-product inspection instructions, and 11 years of export experience. Innovation evidence includes new products within the past year, but no SDK availability. Service infrastructure is limited: no overseas warehouse, showroom, agent or branch, offline trade-show participation, or overseas service coverage is reported. Service-management weaknesses include no written procedures or records for supplier assessment, corrective actions, or complaint handling, although quality assurance is reported. No factory environmental impact assessment report is available, and continuous batch quantity reconciliation is not performed. Certification and customer-case evidence are not provided.

Supplier typeThe supplier is classified as a combined company and explicitly identifies itself as a professional technical supplier. This indicates a mixed business structure with technical-service positioning, but the slices do not provide more specific legal or organizational detail.

After-Sales capabilityThe supplier reports no overseas warehouse, showroom, agent or branch, offline trade-show participation, or overseas service coverage. It also has no written procedures or records for complaint handling, supplier-service assessment, or corrective and preventive actions, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier provides 3D software design services, reports new products within the past year, and offers ODM services. However, it has no available SDK, so the evidence supports product and design development but not SDK-based innovation capability.

Production capacityManufacturing evidence includes four production lines, SMT, a crest welder, and an aging machine, as well as uniformly followed finished-product inspection instructions. However, the factory does not continuously reconcile quantities for every batch or mass-production run, indicating a documented production-control weakness.

Customization capabilityThe supplier explicitly supports customization from samples, minor customization, flexible customization, full customization, and customization from designs. It also provides 3D software design services, supporting a broad customization range.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of brand-serving experience. No specific customer names, project details, or case outcomes are supplied, so the depth of the customer-case record is limited.