What is the product warranty period?

Standard warranty lasts two years from shipment. For extension, contact customer service.

Can you provide after-sales service?

After-sales covers equipment failure and technical service. Strict quality control reduces failures. We offer replacement or repair for failures. Technical services include a 24-hour hotline and online support.

Four-Channel Amplifier Featuring 20 Hz-20 kHz Frequency Response

Name: Four-Channel Amplifier Featuring 20 Hz-20 kHz Frequency Response
Brand: Guangzhou Jiuding Audio-Visual Technology Co., Ltd.
SKU: 2134348342

Guangdong, ChinaGuangzhou Jiuding Audio-Visual Technology Co., Ltd.

US$226.00-269.00

5 Pieces

Product profile

Customization

Available

Type

Professional Amplifier

Usage

Hi-Fi, AV, KTV System

Model NO.

MP-26403

Used For

Professional

Tube Type

Transistor Amplifier

Function

Post Amplifier, Amplifier Combined, Pre-amplifier

Sound Channel

4CH

Output Number

Voltage

AC 220V

Element Number

Monoamplifier

Conductive Mode

Harmonic Distortion

<0.08%

Frequency Response

20 Hz-20 kHz(±0.5dB)

Sensitivity

0.77V/1.0V/1.4V

Signal-to-Noise Ratio

>98 dB

8ω Average Power

300W×4

Dimensions(WDH)

483X360X88 mm

Transport Package

Strong Packing

Specification

Black

Trademark

MEKEY

Origin

Guangzhou, China

HS Code

8518400090

Production Capacity

2000PCS/Month

Key features

Low Distortion: Total Harmonic Distortion remains below 0.08% for pristine audio quality.

Class-AB Topology: Utilizes Class-AB power amplifier topology for balanced performance and efficiency.

Flexible Input Sensitivity: Supports multiple input levels: 0.77V, 1.0V, and 1.4V for various sources.

Professional Connectivity: Features balanced XLR inputs and NL4 SPEAKON outputs for secure connections.

High Signal-to-Noise Ratio: Achieves over 98 dB signal-to-noise ratio for clear, quiet audio output.

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

Company profile

Importers and ExportersFast DeliveryQuality AssuranceR&D Capabilities

Guangzhou Jiuding Audio-Visual Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤3.99h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company and limited company offering pro audio, microphones, conference systems, and conference cameras, with related broadcasting, installation, software, and information-technology activities. It reports 3D design, flexible customization, ODM services, and new-product activity during the past year. Dedicated R&D centers, quality laboratories, and exhibition facilities are described, while quality assurance procedures are present. The supplier claims more than 200,000 completed project cases in military, government, and public-institution fields. However, the evidence also shows no SDK, no OEM service for popular brands, no overseas agents or branches, no overseas warehouse or showroom, no offline trade-show participation, and zero countries listed for overseas services. Supplier approval, corrective-action, and complaint-handling documentation is incomplete or lacks written records. Contract status for manufacturing capacity is unknown, and the available...

Supplier typeThe supplier is explicitly classified as a trading company and a limited company. Its stated offerings include pro audio, microphones, conference systems, and conference cameras, alongside broadcasting, installation, software, and information-technology services.

R&D capabilityThe supplier reports new products during the past year, ODM capability, 3D software design services, dedicated R&D centers, and activities covering AI software development, software development, and information-system integration. The absence of an available SDK is a stated limitation, but the evidence supports an innovation capability overall.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with 3D software design services. This directly supports a broad customization capability.

Client casesThe supplier claims more than 200,000 successful project cases in military, government agencies, and public institutions, covering applications such as conferences, government meetings, cultural performances, and outdoor sporting events. These are explicit stated cases, although no individual customer names or supporting case documentation are provided.