• Compliant toCompliant toCompliant to IEC 61603-7 and  IEC 60914
• Compatible with the latest national standard GB 50524-50524
• Compatible with any other IR system compliant to IEC 61603-7
• Capable of distributing a maximum of 4, 8, 16 or 32 audio channels
• 2 ~ 8 MHZ carrier frequencies, compatible with the international standard  spectrum
• Wider signal radiation Angle
• Use filter lens, against noise interference of light effective, work in sunshine, neon lights and complex environment
• Hand in hand radiation signal, easy to enlarge the coverage of signal, also be used to configure into many rooms
• Transmission delay compensation function, guarantee proper signals
• Infrared cannot penetrate walls or ceiling, ensure the privacy of the meeting, avoid eavesdropping
• Humanized human-computer interface design, easy to use

• Compliant to IEC 61603-7 and IEC 60914
• Immune to interference from HF-driven lighting
• Coverage up to about 50 meters (25 w)
• Hand in hand radiation signal, easy to enlarge the coverage of signal, also be used to configure into many rooms
• Installation: fixed up by bracket or tripod
• Half-transmitting angle: ±22°
• Delay compensation for differences in cable lengths between transmitter and radiators

Digital Interpreter Console Unit-YSD604I

• Fully digital design, high sound quality and greatly anti-jamming ability
• Volume adjust and automatic feedback eliminator
• Cough elimination function
• When the speakers speak too fast, can press the request button (missile) requires the speaker “SLOW” speaking speed
• Configurable secondary translation functions, when the translator did not understand the speaker's language, by listening to the other translators transliteration again on the second translation
• Support 4, 8, 12, 16, 20, 24, 32 road audio channel
• Color display, optional headphones and microphones

IR Receiver-YSD604R

• Support 4,8,16 or 32 channels available
• Immune to interference from HF-driven lighting
• Flexible configuration of channels and channel quality modes
• LCD receiver display channel number and battery capacity
• 28 level adjustable volume
• Digital infrared signal transmission, low noise, no broken sound, wide dynamic range
• Ergonomically compact and elegant design
• Simple operation, lightweight, convenient to carry
• Lightweight and handy receiver in conjunction with single earphone or headphone for easy and comfortable use
• Receiver unit use rechargeable batteries, can work continuously for 15 hours, and equipped with charging box
• Setting data electricity saving function
• Within the scope of the infrared emission, no restricted quantity of the receiver
• Freedom of movement within the range of IR power radiator
• Channel selection via up/down button
• Works without errors, even in bright sunlight
• Compliant to IEC 61603-7 and IEC 60914

  Recharging Storage Box –YSD604C

• 220V ac power supply
• charges 24 receivers unit per charging
• Draw rod extension and convenient pulley for moving
• Charging protection function and   instructions