The ultimate acoustical stethoscope.  Patented single-sided "Master" chestpiece with tunable diaphragm lets you monitor both high and low frequencies without having to turn over the chestpiece. Features hand-crafted, solid stainless steel chestpiece, two-tubes-in-one design, lightweight comfort headset, special procedures adapter for difficult site and pediatric auscultation, nonchill rim, double-leaf binaural spring, and patented 3M Littmann Snap-Tight Soft-Sealing Eartips.

The 3M Littmann Master cardiology Stethoscope provides the best acoustics Littmann stethoscopes offer, with a significant improvement in low-frequency response. The Littmann Master Cardiology Stethoscope meets the exacting standards of health care professionals who demand the highest acoustic response.  With the unique patented Master chestpiece, you'll get diagnostic information accurately and efficiently.

• The patented tunable diaphragm alternates between low and high frequencies without turning over the chestpiece. This allows for same-site auscultation.
• Two-tubes-in-one design: Two tubes are incorporated into a single-tube design that eliminates noise artifacts created from two tubes rubbing together.
• Latex free tubing.
• Includes a flexible patented special procedures adapter designed for auscultation of difficult body sites (such as ankles, neck, wrists, etc.), pediatric and emaciated patients.
• Durability: The headset assembly is permanently set at an anatomically correct angle. This assures a proper fit, minimizes air leaks and prevents the headset from loosening over time.
• Patented 3M Littmann Snap-tight Soft-sealing Eartips assure maximum comfort and excellent acoustical seal.
• Nonchill rim and diaphragm assembly for patient comfort.
• Stethoscope is 27" in length from the eartips to the tip of the chestpiece.
• Seven-year warranty.

Alternative Views:

Using your 3M Littmann Master Cardiology Stethoscope

with patented tunable diaphragm

Tunable technology provides convenience, versatility and enhanced acoustics. Its dual-frequency diaphragm combines both bell (low-frequency) and diaphragm (high-frequency) modes in one chestpiece side. You control bell and diaphragm modes by pressure on the chestpiece rather than turning it over.

Bell Mode (low-frequency)                 Diaphragm Mode (high-

Use light contact with tunable                 frequency)

chestpiece to hear low                            Without turning the chestpiece

frequency sounds.                                    over, use firm pressure to hear

                                                                   high-frequency sounds.

Product SKU: Black #2160, Burgundy #2163, Navy #2164, Hunter Green #2165, Plum #2167, Gray #2168, Chocolate #2169