Infrared Stereo Stethoscope Receiver


The IR RX20 is a comfortable, stereo stethoscope-shaped infrared receiver.

The headset works with all Williams Sound 2.3 or 2.8 MHz infrared systems.


Replacement earpads: EAR 089


Weight: 1.6 oz
Material and Color: IR Transparent polycarbonate, black
Battery Type: LiPo
Battery Life: 8 hours
Battery Charger: CHG 520
Operating Temp: 32-122° F (0-50° C)
Range: Up to 15,000 sq. ft. in single channel mode with IR T2 transmitter
Operating Frequency: 2.3 MHz or 2.8 MHz or stereo
Frequency Response: 100 Hz to 12 kHz, ± 3 dB
Signal to Noise Ratio: 60 dB at 10 m
Controls: Volume control thumbwheel;3-position selection switch (2.3 MHz, 2.8 MHz, stereo), Off/on slider for power
Acoustic Output: 120 dB MAX SSPL90 with 2 cc coupler
Compatibility: Compatible with 2.3 MHz and 2.8 MHz IR transmitters
Headphone Jack: 3.5mm stereo
Ear pads: EAR 089
Approvals: CE, RoHS, FCC, Canada, RCM, VCCI, WEEE
Warranty: 5 years (90 days on battery)



5 Years

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Design & Consultant Specs