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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
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4000
sq.ft. (370 sq.m.) coverage. Any number of IR-400 transmitters can
be daisy chained together for greater coverage.
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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.
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The
IR-400 can be wall mounted or on optional tripod for table or floor
setups.
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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)
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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)
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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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