How is the volume controlled?

It has adjustable volume with buttons for control and automatic muting when signal is too low.

What are the dimensions and weight?

Dimensions are 159 x 49 x 23 mm. Weight is 85g without battery and 128g with battery.

What is the supply voltage requirement?

The supply voltage is 3V to 4.2V, with a nominal voltage of 3.7V.

16 Channels

Name: Vissonic IR Language Distribution System Digital Infrared Receivers with 4/8/16 Channels
Brand: VISSONIC Electronics Ltd.
SKU: 936293635

Guangdong, ChinaVISSONIC Electronics Ltd.

Negotiable

1 Piece

Product profile

Customization

Available

Color

Black with Silver

Type

Simultaneous Interpretation System

Model NO.

VIS-VLI703A

Earphone Jack

Ø 3.5 mm

Dynamic Range

>80 dB

Angle of Sensitivity

270º

Supply Voltage

3V to 4.2V, Nominal 3.7 V

Video

Without Video

Composition

Lcd Display

Communication

Wireless

Pointing Feature

Sector

Transport Package

Carton Paper Box

Specification

159 x 49 x 23 mm

Trademark

VISSONIC

Origin

China

HS Code

8517629900

Production Capacity

3000PCS/Month

Key features

IEC Compliant Standard: Compliant to IEC 61603-7 and IEC 60914 for universal compatibility.

DQPSK Digital Technology: Uses DQPSK modulation to eliminate disturbance from high frequency lighting.

270 Degree Reception Angle: Unique super wide angle ensures perfect sound quality even when casually placed.

Multi-Channel Support: Supports 4, 8, 16, or 32 channels with automatic channel selection.

LCD Status Display: Displays channel number, language name, battery, and signal status.

Long Battery Life: Rechargeable lithium battery provides up to 24 hours of continuous use.

Sunlight Resistant: Operates without errors even in bright sunlight conditions.

Auto Power Off: Automatically turns off after 5 minutes when headphone is disconnected.

Company profile

VISSONIC Electronics Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2015-09-01Nearest Port: GuangzhouAverage Response Time: ≤6.53hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW

AI-Powered supplier vetting

SummaryVISSONIC Electronics Ltd. is identified as a China-based manufacturer/factory and group corporation producing audio and video products, including conference microphones and conference systems. The supplier reports ISO 9001, ISO 14001, OHSAS/OHSMS 18001, and GMP certifications, five production lines, 11–20 R&D engineers, 21–30 quality-control staff, and conference-system output of 100,000 pieces. Its stated services include system design, installation, troubleshooting, user training, and technical support. Export activity is documented since 2015, with 51%–70% of sales from exports. Evidence supports production, certification, innovation, and after-sales strengths, while customization, financial credibility, and customer-case depth remain insufficiently established.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and Group Corporation, with a stated Guangzhou manufacturing location and an in-house R&D, production, and sales operation for audio and video products. This directly supports its status as a product manufacturer rather than only a trading company.

CertificationsThe supplier reports OHSAS/OHSMS 18001, ISO 9001, ISO 14001, and GMP certifications. These stated management-system certifications provide explicit evidence of formal quality, environmental, occupational-health, and related operational controls.

After-Sales capabilityThe supplier states that staff support customers throughout system purchase, installation, on-site troubleshooting, and training on equipment use after installation. This is explicit evidence of comprehensive technical and user-support services.

R&D capabilityThe supplier describes itself as a high-tech enterprise with its own brand and dedicated R&D, production, and sales functions, focused on high-performance and innovative audio-video products. It also reports 11–20 years of combined R&D engineer experience, supporting an innovation capability assessment.

Production capacityThe supplier reports five production lines, 21–30 quality-control staff, and conference-system production capacity of 100,000 pieces. These explicit operating metrics support established production capability for conference-system products.