What is the total harmonic distortion?

The total harmonic distortion is less than 0.5% at 1kHz.

Does the manufacturer offer OEM services?

Yes, OEM and ODM services are available.

4 Channel UHF Microphone for Wireless Professional Sound Reinforcement

Name: 4 Channel UHF Microphone for Wireless Professional Sound Reinforcement
Brand: Guangzhou Temeisheng Audio Technic Co Ltd
SKU: 1917809181

Guangdong, ChinaGuangzhou Temeisheng Audio Technic Co Ltd

US$119.00

1-49 Pieces

US$114.00

50+ Pieces

Sample price:US$119.00/piece.Request sample

Product profile

Customization

Available

Style

4 Channel UHF Microphone

Carrier Frequency

UHF610-865MHz

Model NO.

WM 4000U

Oscillation Mode

Quartz Controlled Fixed Frequency

Stability

10ppm

Sensitivity

2UV @ Sjnad=12dB

Max. Deviation Range

50kHz

S/N Ratio

>105dB

T.H.D.

<0.5% @1kHz

Image Rejection

85dB Typical

Spurious Rejection

75dB Typical

Frequency Response

60Hz-16kHz

Squelch Control

Dual-Squelch Circuit

Transmitter Power

<30MW

Spurious Emission

<40dB(with Carrier)

Battery Voltage

AA1.5V*2

Battery Life

>10hours

Transport Package

Gift Box/ Export Carton/ Pallet

Specification

Trademark

Lucky Tone or OEM

Origin

China

HS Code

8518100090

Production Capacity

500000PCS Per Year

Key features

Professional Sound Reinforcement: Ideal for church, education, and live performance with high S/N ratio.

High Signal-to-Noise Ratio: Features an S/N ratio greater than 105dB for clear audio output.

Wide Frequency Range: Carrier frequency spans UHF 610-865MHz for diversified usage.

Low Total Harmonic Distortion: T.H.D. is less than 0.5% at 1kHz ensuring pure sound quality.

Long Battery Life: Powered by AA 1.5V batteries with over 10 hours of usage time.

Dual-Squelch Control: Equipped with dual-squelch circuit for effective noise suppression.

Full Customization Options: Supports full customization, samples, designs, and minor adjustments.

OEM/ODM Service Available: Manufacturer offers OEM and ODM services with 4 R&D engineers.

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: ≤4.56h

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.