Sennheiser 502019 (502-019, 502/019, 50-20-19, 502 019) (HDI-830, HDI/830, HDI830) HDI 830 2-Channel Stethoset Receiver
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.
In The Box