Nady IR-400 Infared Hearing Assistance Systems

Offering 4 channels of independent programming, the IR System 400 is the professional choice of reliable, easy-to-use and affordable multi-language and simultaneous translation applications.

• Utilizes advanced state-of-the-art PPM (Pulse Position Modulation) IR technology (@300-900KHz). The 4-channel signal modulates a sequence pulse code as a sub-carrier which then modulates the infrared carrier directly. This innovative technique offers clearer audio and superior interference-free transmission than earlier narrow-band FM modulated IR systems
• 4000 sq.ft. (370 sq.m.) coverage. Any number of IR-400 transmitters can be daisy chained together for greater coverage.
• IR-400 can transmit 4 independent channels of speech or music to any number of IR-410 receivers which can all select any of the 4 channels as needed.
• The IR-400 can be wall mounted or on optional tripod for table or floor setups.
• IR-400 features: high gain IR-LED (light-emitting diode) emitter panel with built-in amplifier; modulation input: sync output for daisy chaining with up to ten more IR-400 transmitters for extended coverage; and a DC input for powering by an external AC/DC adapter (28V DC @ 1.6A)
• IR-405 features: 4 selectable Audio In or MIC In inputs with volume control; separate Mix Input; built-in ALC; 3 headphone out jacks to allow 3 listeners to monitor the channel 1 signal (e.g., such as interpreters for channels 2, 3 and 4); peak audio level LED indicators for each of the 4 Audio In and MIC In signals; a signal out for modulating the IR-400 transmitter; and a DC input for powering by an external AC/DC adapter (12V DC @ 200mA)
• IR-410 headphone receiver features: ultra IR light-sensitive diodes for optimum reception and maximum range; 4-channel select switch; individual volume controls for each ear; 2 X AAA battery operation; adjustable headband for comfortable universal fit

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