3M Littmann 4100 Electronic Stethoscope
Friday, February 12th, 2010 at
11:44 pm
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Amplification is up to 18 times greater than the best non-electronic stethoscopes.
Ambient Noise Reduction (ANR) technology.
Filter circuitry provides three frequency response modes for listening to heart, lung, and other body sounds: Bell (20-200 Hz), Diaphragm (100-500 Hz), and Extended Range (20-1000 Hz).
Digital recording and storage of soun... [Read More]














