Can I visit your factory?

Yes, you are welcome to visit our factory located in Enping City, Guangdong Province, about 200KM from Guangzhou, Foshan, and Shenzhen.

What is the battery life of the transmitter?

The battery life time is 10 to 15 hours when using 2*AA 1.5V Alkali batteries.

What is included in the package?

The box includes 1 wireless receiver, 1 transmitter, 2 antennas, 4 XLR cables, 1 anti-slip rubber ring, 2 zipper leather bags, 2 power supplies, 1.5v AA batteries, and 1 user guide.

St-850d Professional Handheld UHF Wireless Microphones for Clear Sound

Name: St-850d Professional Handheld UHF Wireless Microphones for Clear Sound
Brand: Guangdong Sanren Electronic Technology Co., Ltd.
SKU: 2307551825

Guangdong, ChinaGuangdong Sanren Electronic Technology Co., Ltd.

US$88.00

20-99 Sets

US$83.00

100+ Sets

Sample price:US$109.00/piece.Request sample

Product profile

Customization

Available

Style

Handheld Microphone

Application

Music, Voice, Meeting

Model NO.

ST-850D

Signal Transmission

Wireless

Directivity

Cardioid

Sound Channel

Stereo

Transducer Principle

Electrodynamic Microphone

Sound Field Force

Pressure Type

Connector(s)

XLR 3 Pin

Wireless Technology

UHF

Output Impedance

50-1000Ω

Channels

200

Working Range

50-80metros

Frequency Range

a 640-690 B 792-843

Output Power

16MW

Transport Package

Color Box

Specification

48.3*18.5*4.3

Trademark

Fulinda

Origin

Guangdong

HS Code

8518100001

Production Capacity

3000sets/Month

Key features

True Diversity System: Dual-channel UHF with 2 antennas for 1 transmitter ensuring rock-solid signal stability.

Wide Frequency Range: 566-615MHz with 200 frequency points per channel for interference-free operation.

Long Working Range: Up to 250 meters effective range without requiring any external antenna amplifiers.

Infrared Auto Sync: Instantly and automatically sets up the system with one-touch infrared scanning.

Group Function: Automatic addressing allows up to 8 systems to operate simultaneously in one location.

Multi-Functional LCD: Displays RF/audio status, volume control, and precise battery runtime monitoring.

Switchable RF Power: LO/HI power level switchable to adapt to different working environments.

High S/N Ratio: Signal-to-noise ratio exceeds 102dB for crystal clear sound quality.

Company profile

ODM Services100% Finished Products InspectionR&D Capabilities

Guangdong Sanren Electronic Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2013-06-28Nearest Port: guangzhou nanshaAverage Response Time: ≤4.60hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, EXW

AI-Powered supplier vetting

SummaryThe supplier is a limited company engaged in the research, development, production, and sales of microphones and related electroacoustic products. It provides 3D design, ODM, OEM, and multiple customization services, but reported no new products during the past year and has no available SDK. The supplier states that it holds ISO9001 and ISO14001 certifications and has written procedures for service assessment, corrective actions, and complaint handling. Finished-product inspection instructions are reportedly followed uniformly. Export sales account for 51%–70% of total sales, and the supplier has exported for seven years. Evidence of financial records exists for 2021–2023, but the slices do not provide sufficient financial performance details. No overseas warehouse, showroom, agent, or branch is reported. Customer-specific cases are not identified.

CertificationsThe supplier states that it has passed ISO9001 quality management system certification and ISO14001 environmental management system certification. These are explicit certification claims in the provided company description, but no certificate numbers, validity dates, or verification documents are supplied.

After-Sales capabilityThe supplier reports written procedures and implementation records for customer complaint handling, corrective and preventive actions, and service-capability assessment. However, it has no overseas warehouse, showroom, agent, or branch, which limits demonstrated overseas service infrastructure; the provided data does not specifically describe warranty or repair arrangements.

Production capacityThe supplier describes advanced production and testing equipment, professional technical personnel, and an established quality system. It also reports uniformly followed finished-product inspection instructions, supporting production and quality-control capability, although capacity figures and factory-scale data are not provided.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, in addition to ODM and OEM services for popular brands. This provides direct evidence of broad customization capability.