What applications is this amplifier suitable for?

It is designed for AV usage, commercial venues, and professional stage engineering such as bars, KTV, live tours, and theaters.

What protection features does the amplifier include?

It features full intelligent protection including soft start, overload, overheat, short circuit, DC, peak voltage, and peak clipping limits.

High-Efficiency 4CH Class D Power Amplifier for Superior Sound

Name: High-Efficiency 4CH Class D Power Amplifier for Superior Sound
Brand: Resonance Audio Equipment Co., Ltd.
SKU: 2173827532

Guangdong, ChinaResonance Audio Equipment Co., Ltd.

US$370.00

1 Piece

Sample price:US$380.00/piece.Request sample

Product profile

Customization

Available

Type

Professional Amplifier

Usage

Model NO.

Used For

Commercial / Professional Stage Engineering

Tube Type

High-Frequency MOS Transistor

Function

Post Amplifier

Sound Channel

Output Number

Voltage

Wide Voltage

Element Number

Multi-Group High-Current Mosfet

Conductive Mode

Transport Package

Standard Export Carton with Pearl Cotton Inner Lin

Specification

483x430x88mm

Trademark

LA8GREEN/RESONANCE

Origin

China

Production Capacity

50000pieces/Year

Key features

High-Efficiency D-Class Circuit: Features regulated switching power supply for stable performance.

High-Current MOS Output: Max 120A output with low internal resistance for powerful sound.

Custom LC Output Circuit: Delivers full, wide, and delicate sound quality.

Comprehensive Protection System: Includes soft start, overload, overheat, short circuit, and DC protection.

Premium Aluminum Panel: Brushed aluminum finish ensures durability and a professional look.

Flexible Customization Options: Supports full customization, minor customization, and design-based customization.

OEM and ODM Services: Established long-term cooperation with global brands for custom manufacturing.

Wide Voltage Input: Designed to handle various voltage standards for global use.

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: ≤3.74h

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.