Sennheiser HDI 830 Stethophone Infrared Receiver for Two Channel / Stereo (2.3 / 2.8 MHz) Systems

The HDI830 is a professional two-channel stethoscope receiver for wide band transmission systems (with carrier frequencies of 2.3MHz and 2.8MHz) 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. Includes BA300 battery and 2 alternative pairs of earpads.

• (1) HDI830 Stethoset Receiver
• Infrared Wideband Stethoset Receiver
• Frequency Response (Headphones): 50 - 16,000Hz

• (1) BA300 Battery
• Ideal for Stereo and Two-Channel Applications (2.3/2.8MHz)
• Total Harmonic Distortion (THD): < 1%
• (2) Alternative Pairs of Earbuds
• Excellent Speech Intelligibility
• Weight: 68g
• Very Good Music Reproduction
• Charging Time: 3 hours
• Balance Control for Setting the Volume for the Right and Left Ear
• Signal-to-Noise Ratio: Typ. 75dB(A)
• Ergonomic Volume Control
• Operating Time: Accupack: up to 12 hrs
• Receiver Automatically Turns On/Off When it is Put On/Removed
• Modulation: FM, Stereo
• High Degree of Wearing Comfort Thanks to Flexible Earpads and Low Receiver Weight
• Maximum Sound Pressure Level (Active): 125dB (1kHz)
• Lithium Polymer Battery Technology Ensures a Long Operating Time of up to 12 Hours
• Receiving Frequency: 2.3/2.8MHz