Vissonic Digital Wireless IR Simultaneous Interpretation Infrared Receivers Conference System

• Type: Simultaneous Interpretation System
• Video: Without Video
• Composition: Regulator
• Communication: Wireless
• Pointing Feature: Cardioid
• Color: Black
• Power Supply: Built-in Rechargeable Battery
• Receiving Frequency: 2m-6MHz
• Weight: 250g
• Size: 60L X 176W X 30h (mm)
• Transport Package: Carton
• Specification: 185W*130 D*50H mm (without microphone)
• Trademark: VISSONIC
• Origin: China
• Production Capacity: 10000

Product Description

VISSONIC Digital IR Simultaneous Translation System Digital Infrared Receivers
 

Main Features

Compliant to IEC 61603-7 and IEC 60914
Compatible with any other IR simultaneous interpretation system compliant to IEC 61603-7 
30 hours long use time after full charge.
Digital infrared processor with DQPSK digital modulation/demodulation technology 
Transmitting in 2~8 MHz frequency band eliminates disturbance from high frequency lighting systems 
Channel selection via up/down button, at most 4,8,16 or 32 channels available 
LCD display with channel number, language name, battery and signal status indication 
Number of available channels is always the same as the number of channels in use by the system, eliminating the need to scroll through unused channels
Adjustable volume 
Unique 270º super wide reception angle, ensuring perfect sound quality even when casually placed 
Audio signal automatically muted when signal is too low, ensuring that the user receives only high quality audio.

System Specifications 


Modulation...............DQPSK, according to IEC 61603-7 Modulation frequency

Carriers 0 to 5...............2 to 6 MHz, according to IEC 61603-7 

Frequency response...............20 Hz to 10 kHz (-3dB) at standard quality

20 Hz to 20 kHz (-3dB) at perfect quality 

THD at 1 KHz ...............<0.05% 

Isolation...............>80 dB 

Dynamic range...............>80 dB 

Weighted SNR...............>80 dBA 

Input range...............-12 dBV ~ +12 dBV (adjustable) 


Electrical 

IR irradiance level...............4 mW/m2 per carrier

Angle of sensitivity...............270º

Headphone output level at 2.4 V 450 mVrms (speech at maximum volume, 32 Ohm 
headphone) 

Headphone output freq. range...............20 Hz to 20 kHz 

Headphone output impedance...............32 Ohm to 2 kOhm 

Max. SNR...............>80 dBA 

Supply voltage...............3V to 4.2V,nominal 3.7 V

Headphone jack unplugged after 5 minutes...............0 mA Battery life 

Rechargeable battery pack ...............30 hours 


Mechanical 

Dimensions (H x W x D) ...............159 x 49 x 23 mm

Weight............... excluding battery 85 g 

including battery 128g (0.27 lb) 

Color...............black with silver
 

 

  Application