Datasheet

Cat. No. 502019
HDI 830
Infrared stethoset receiver | Assistive Listening, Conference
General Description
The HDI 830 is a professional 2 channel stethoset receiver. It works on
carrier frequencies of 2,3 and 2,8 MHz for a high quality signal transmis-
sion. It can be used for 2 channel or stereo applications. Intuitive operat-
ing controls make it easy to use. The included BA 300 lithium polymer
battery offers 12 hours of battery life.
Features
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Infrared wideband stethoset receiver
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Ideal for stereo or 2 channel applications
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Excellent signal transmission due to carrier frequencies 2.3 / 2.8 MHz
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Balance control left/right
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Ergonomic volume control
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Automatic on/off when receiver is put on/removed
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Moveable earpads and low weight for great wearing comfort
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Lithium polymer battery for 12 hours of permanent operation
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Delivery includes: 1 stethoset reveiver HDI 830
1 BA 300 rechargeable battery
2 alternative pairs of earpads
Product Variants
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RI 830 Cat. No. 502020
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RI 830 S Cat. No. 502021
Recommended Accessories
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BA 300 spare battery Cat. No. 500898
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L300 10-10 charger Cat. No. 502710
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Clip for attaching the receiver Cat. No. 528184
Technical Data
Modulation .......................................................................... FM, stereo
Receiving frequencies ................................................... 2.3/2.8 MHz
Frequency response (headphones) ......................50 – 16,000 Hz
Max. Sound pressure level ......................125 dB (1 kHz) Nominal
THD, total harmonic distortion ................................................< 1 %
Signal-to-noise ratio .................................................. typ. 75 dB(A)
Operating time .....................................................................typ. 12 h
Charging time .................................................................. approx. 3 h
Weight incl. battery ....................................................... aprox. 68 g
Architect & Engineering specs
A wideband infrared stethoset receiver works on carrier fre-
quencies of 2.3 and 2.8 MHz. It provides two operating modes,
two channels or stereo mode. Balance control attenuates the
volume level either on the left or the right side. The volume
control is easy to access and to control. A frequency range of
50 to 16,000 kHz is covered by the stehtoset receiver with
a maximum sound pressure level of 125 dB at 1 kHz. The
included rechargeable battery provides an operating time of
12 hours. The weight including the battery may not exceed
68 g. The battery shall be Sennheiser BA 300, the stethoset
receiver shall be Sennheiser HDI 830.
www.sennheiser.com