Sennheiser RI 150 mono stethoset infrared receiver
Wideband stethoset single channel infrared receiver.
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Mono stethoset infrared receiver for use with infrared hearing or simultanous translation systems.
The Sennheiser RI 150 stethoset receiver is worn on the ears with the body suspended under the chin (similar to a stethoscope). The receiver is lightweight and comfortable to wear even for long events. The user can adjust their own volume to a comfortable level by turning the wheel on the bottom of the receiver.
Wideband stethoset receiver
Extremely reliable transmission due to new carrier frequency (2.3 MHz)
Extremely lightweight – only 45 g
Excellent speech intelligibility and good music reproduction
Very easy to use
Operates on environmentally friendly rechargeable NiMH accupack
Operating time 5h
1 Sennheiser RI 150
1 Sennheiser BA 151 rechargable accupack battery
Modulation FM, Mono
Carrier frequencies 2,3 MHz
Frequency response (headphones) 18.....18000 Hz
THD, total harmonic distortion <1 %