3M™ Littmann® Master Cardiology™ Stethoscope – Navy Blue, 27” Tubing
Where elite acoustic performance meets timeless navy style.
Thanks to 3M’s innovative pressure-sensitive diaphragm, there’s no need to reposition the chestpiece—simply apply light or firm pressure to switch between low and high-frequency sounds. This seamless auscultation experience means faster assessments and more focused care.
The solid stainless steel chestpiece is precision-machined for superior sound transmission, while the single-sided design offers unmatched convenience in busy environments. Whether listening to faint heart murmurs or lung sounds, every detail is captured with clarity.
Designed for healthcare professionals who rely on absolute clarity, the Littmann Stethoscope Master Cardiology Navy Blue is the gold standard in mechanical stethoscopes. Its deep navy finish projects calm authority, while its cutting-edge design delivers performance you can trust in every examination.
Equipped with dual-lumen tubing, the stethoscope channels sound through two distinct pathways within a single tube, eliminating the interference of rubbing noise—so what you hear is pure and precise.
Tailored for comfort, the adjustable headset and Snap-Tight soft-sealing eartips create a custom acoustic seal that adapts to your ears and minimizes external noise. The included Special Procedures Adapter ensures accurate auscultation in pediatric or hard-to-reach cases, expanding its diagnostic versatility.
Built with next-generation latex- and phthalate-free tubing, this model resists the wear and tear of daily use while maintaining flexibility. Its navy blue color resists staining and adds a professional, understated style.
Personalize your Littmann Master Cardiology Navy Blue with laser engraving to add a name, title, or icon—ideal for preventing loss and adding a touch of individuality.
Proudly made in the USA and backed by a 7-year limited warranty, this stethoscope is built to last and trusted by top-tier clinicians around the globe.




Victor Castillo –
The Master Cardiology in navy blue is outstanding! The sound quality is unmatched, and the deep blue color gives it a sleek, professional look.
Manuel Cruzado –
The Master Cardiology is incredibly sturdy and feels built to last. The weight is well-balanced, so it never feels cumbersome, and the headset sits comfortably without needing adjustments. A truly reliable stethoscope for everyday use.
Ramon Reyes (Verified customer) –
Absolutely love the clarity and the Navy Blue looks stunning—worth every peso!