Cat. No. 502019
HDI 830
Infrared stethoset receiver | Assistive Listening, Conference
General Description
Features
Infrared wideband stethoset receiver
Ideal for stereo or 2 channel applications
Excellent signal transmission due to carrier frequencies 2.3 / 2.8 MHz
Balance control left/right
Ergonomic volume control
Automatic on/off
Moveable earpads and low weight for great wearing comfort
Lithium polymer battery for 12 hours of operation
Delivery includes: 1 stethoset receiver HDI 830
1 BA 300 rechargeable battery
2 alternative pairs of earpads
Product Variants
RI 830 020205.oN.taC
RI 830 S 120205.oN.taC
Recommended Accessories
BA 300 spare battery Cat. No. 500898
L300 10-10 charger Cat. No. 502710
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. 2.4 oz.
Architect & Engineering specs
The HDI 830 is a professional two channel stethoset receiver. It operates
on the carrier frequencies of 2.3 and 2.8 MHz for a high quality signal
transmission. It can be used for two channel or stereo applications.
Intuitive operating controls make it easy to use. The included BA 300
lithium polymer battery offers 12 hours of battery life.
A wideband infrared stethoset receiver operates on the carrier
frequencies 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 stethoset 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 2.4 oz. The battery shall be Sennheiser BA
300, the stethoset receiver shall be Sennheiser HDI 830.
