Sennheiser : HDI 830
Description
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.
Features
→ 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
Specifications
| 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) |