Overview
The 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 receiver provides excellent speech intelligibility and very good music reproduction. It is comfortable to wear and is sure to provide long operating times.
Features
- 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
- 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
| Frequency response (Headphones) | 50 - 16,000 Hz |
| THD, total harmonic distortion | < 1 % |
| Weight | 68 g |
| Charging time | 3 h |
| Signal-to-noise ratio | typ. 75 dB(A) |
| Operating time | Accupack: up to 12 h |
| Modulation | FM, stereo |
| Max. Sound pressure level (active) | 125 dB (1 kHz) |
| Receiving frequency | 2.3/2.8 MHz |