-channel IR simultaneous interpretation system with superior audio quality in new and higer frequency band 2-6 MHZ GONSIN TC-906 IR language distribution system is designed to offer 6-channel audio distribution using the advanced infrared transmission technology. As the central element of the system, the infrared transmitter interfaces with conference system, connects interpreter consoles and infrared radiators which transmit audio signals to wireless multi-channel receivers for the delegates to hear the language of their choice via personal headphones. The system operates in the higher 2 to 6 MHz frequency band which is immune to distortion from hall lighting andfree from radio frequency interference, ideally suited for use in business and government conferences, international conventions and other multilingual applications.