Sensitive

Description:
* patented dual membrane stethoscope
* improved transmission of low and high frequencies due to newly developed dual membrane system
* double channel tube, black
* diameter of chest piece 50 mm, brass, chrome-plated
* super-soft eartips
* in decorative cardboardbox

Precise

Description:
* patented dual membrane stethoscope
* improved transmission of low and high frequencies due to newly developed dual membrane system
* single channel tube, black
* diameter of chest piece 50 mm, brass, chrome-plated, switchable
* super-soft eartips
* in decorative cardboardbox