Infrared Conference Equipment Stethophone Infrared Receiver

The Sennheiser HDI-830 is a professional two-channel stethoset receiver for wideband transmission systems (with carrier frequencies of 2.3 MHz and 2.8 MHz) in museums, theaters and churches. The wearer can switch between channel 1, channel 2 or stereo signal reception. The HDI830's receiver provides excellent speech intelligibility and very good music reproduction. It is comfortable to wear and is sure to provide long operating times.

→ Infrared wideband stethoset receiver
→ Ideal for stereo and two-channel applications (2.3 / 2.8 MHz)
→ Excellent speech intelligibility
→ Very good music reproduction
→ Balance control for setting the volume for the right and left ear
→ Ergonomic volume control
→ Receiver automatically turns on/off when it is put on/removed
→ High degree of wearing comfort thanks to flexible earpads and low receiver weight
→ Lithium polymer battery technology ensures a long operating time of up to 12 hours

Modulation	FM, stereo
Receiving frequency	2.3 / 2.8 MHz
Frequency response (headphones)	50 - 16,000 Hz
Max. sound pressure level (active)	125 dB (1 kHz)
Total harmonic distortion (THD)	<1%
Signal-to-noise-ratio	typ. 75 dB(A)
Operating time (Accupack)	up to 12 hours
Charging time	approximately 3 hours
Weight incl. Accupack	approximately 2.4 oz (68 g)