2CH 4CH Digital D-Class Amplifier Built-in DSP Fir Filter Meeting Room Power Amplifier

Name: 2CH 4CH Digital D-Class Amplifier Built-in DSP Fir Filter Meeting Room Power Amplifier
Brand: Resonance Audio Equipment Co., Ltd.
SKU: 2183921892

Guangdong, ChinaResonance Audio Equipment Co., Ltd.

US$239.00

1 Piece

Sample price:US$239.00/piece.Request sample

Product profile

Customization

Available

Type

Professional Amplifier

Usage

KTV System, Professional Stage&Performance

Model NO.

DDA

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier, Amplifier Combined, Pre-amplifier

Output Number

Voltage

AC 220V

Element Number

Push-Pull Amplifier

Conductive Mode

Model

Dda42

Height

Channel Number

4CH

8ohm Output Power/Per CH

200W

4ohm Output Power/Per CH

300W

2ohm Output Power/Per CH

600W

DSP

Yes

Fir

Yes

Dante Input Function

Yes

Dimensions

483*450*45mm

Transport Package

Inner Carton Packaging and Outer Carton Packaging

Specification

Net Weight: 6KG

Trademark

RESONANCE

Origin

Foshan, China

Production Capacity

10000pieces/Year

Key features

All-in-one Digital DSP Power Amp: Features 64-bit floating-point DSP with 96KHz sampling rate for premium sound.

Advanced Audio Processing: Includes 15-band parametric EQ, noise gate, delay, and phase adjustment per input.

Flexible Input/Output Configuration: Equipped with 2 analog + 2 digital inputs and 4 power output channels.

Dante Digital Audio Integration: Supports Dante input function for seamless networked audio transmission.

High-Efficiency Class D Design: Delivers high power output with superior energy efficiency and reliability.

Comprehensive Output Protection: Features 10-band EQ, filter, compressor, and limiter per output channel.

User-Friendly Control Interface: Includes 2-inch anti-burn display and shuttle knob for easy menu navigation.

Customization Capabilities: Offers full customization, minor customization, and design-based options.

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: ≤1.77h

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.