Is the product compliant with international standards?

Yes, the Voicewell MCU complies with international standards.

What is the power supply voltage?

The main and backup power supply voltage is AC220-240V, 50/60Hz.

En54 Voicewell Voice Alarm Master Control Unit with Built-in 500W Digital Power Amplifier

Name: En54 Voicewell Voice Alarm Master Control Unit with Built-in 500W Digital Power Amplifier
Brand: Guangzhou Temeisheng Audio Technic Co Ltd
SKU: 2066216685

Guangdong, ChinaGuangzhou Temeisheng Audio Technic Co Ltd

US$1,180.00

1-9 Pieces

US$1,089.00

10-49 Pieces

US$908.00

50+ Pieces

Sample price:US$1180.00/piece.Request sample

Product profile

Customization

Available

Parameters

Values

Main Power Supply Voltage

AC220-240V, 50/60Hz

Model NO.

PA-MCU

Backup Power Supply Voltage

AC220-240V, 50/60Hz

Main Power Supply Fuse

T10ah250V

Power Consumption

<760W

Microphone Input

as Follow

Input Sensitivity

-59±3dbv

Input Impedance

250 Ohm

Frequency Response

100Hz-14kHz, ±3dB

Snr

>50dB(with a-Weight)

Transport Package

Gift Box/ Export Carton/ Pallet

Specification

482 mmx133.5 mm *420 mm

Trademark

Lucky Tone or OEM

Origin

China

HS Code

8708401090

Production Capacity

500000PCS Per Year

Key features

Built-in 500W Amplifier: Integrated digital power amplifier capable of driving up to 8 loudspeaker lines.

Expandable System Capacity: Modular architecture supports expansion up to 128 speaker lines via zone expanders.

Comprehensive Fault Diagnosis: Features comprehensive fault detection and indication for system reliability.

Flexible Backup Modes: Offers flexible amplifier backup modes to ensure low cost of ownership.

Digital Volume Control: Provides digital volume control on all inputs and outputs.

OEM and ODM Services: Full customization available including from samples, designs, and minor adjustments.

Plug-and-Play Design: Enables easy commissioning with fully configurable keys for any task.

Dual Channel Audio: Supports dual channel audio capability for versatile applications.

Company profile

Importers and ExportersPatents AwardedQuality AssuranceR&D Capabilities

Guangzhou Temeisheng Audio Technic 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: 6 years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤4.57h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company in Guangdong offering export trade, manufacturing, service, quality control, R&D, and sustainability information. It demonstrates broad customization, ODM capability, recent product development, OEM service for known brands, five production lines, and documented procedures for service quality, complaints, and corrective actions. Export activity is substantial at 90% of total sales, with 17 experienced export-trade staff and Guangzhou Port proximity. However, the supplier has no SDK, overseas warehouse, showroom, overseas agent or branch, and has not participated in offline trade shows. Financial information is limited to year labels without measurable financial results. Quality control staffing is two inspectors, and continuous quantity reconciliation for each batch is not performed.

Supplier typeThe supplier is classified as a combined company, with offerings covering export trade, manufacturing, service, quality control, R&D, photos, and sustainability. Its head office is in Guangdong, and the representative title identifies portable and Bluetooth speaker products.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaint handling. However, it has no overseas warehouse, showroom, overseas agent, or branch, and reports zero countries with overseas services, limiting evidence of local overseas after-sales coverage.

R&D capabilityThe supplier reports an industry-leading design team, new products during the past year, ODM services, and customization from samples and designs. It does not have an available SDK, so its innovation evidence is stronger in product design and development than in software-development support.

Production capacityThe supplier reports five production lines, manufacturing equipment including punching, grinding, resistance and hi-pot testers, an oscilloscope, and standardized finished-product inspection instructions. It also has 90% export sales and 17 experienced export-trade staff, but does not continuously reconcile quantities for every batch.

Customization capabilityBoth R&D and design-service information explicitly lists customization from samples, customization from designs, full customization, minor customization, and flexible customization. ODM service is also available, providing direct evidence of broad customization support.

Client casesThe supplier explicitly states that it provides OEM services for well-known brands. No brand names, project details, product volumes, or verification materials are supplied, so the evidence supports the existence of brand-serving experience but not its breadth or quality.