The 3M™ Littmann® Cardiology IV™ Stethoscope is the next generation of one of the most recognized stethoscopes in the profession, offering improved acoustic performance with better audibility of high-frequency sounds (adult side, firm pressure). Its distinctive chalice-shaped chestpiece features tunable diaphragms on both sides to deliver outstanding acoustic performance, diagnostic versatility, and convenience for treating adult and pediatric patients. The pediatric side of the chestpiece converts to a traditional open bell by removing the tunable diaphragm and replacing it with the included non-chill bell sleeve.

Both the adult and pediatric sides of the chestpiece have a one-piece diaphragm with a smooth, gap-free surface for easy removal, installation, and cleaning.

Tunable Diaphragm Technology – 3M Invention – Allows clinicians to hear different frequencies of sound simply by adjusting the pressure on the chestpiece. Press lightly on the chest piece and listen for low-frequency sounds. Press and hold to hear higher frequency sounds. This time-saving feature allows the clinician to focus on the patient, and the uncooled rim ensures patient comfort.

Headset tension is easily adjusted for head size and comfort by squeezing together or pulling apart the ear tubes. Snap-tight, soft-sealing ear tips conform to individual ears for an excellent acoustic seal and comfortable fit. Ear tips snap firmly onto the ends of the ear tubes and, for safety, require a significant effort to remove.

Dual-lumen tubes combine two sound paths into one tube, eliminating the frictional noise that traditional dual tubes produce. This feature allows clinicians to hear the patient with less interference.

Next-generation resilient tubing maintains its flexibility and shape even after being folded tightly into a pocket. Due to better resistance to skin oils and alcohol, it prolongs the life of the stethoscope and is less likely to pick up stains. The absence of natural rubber latex in the tubing of the future is advantageous for sensitive medical professionals and their patients. Additionally, the next-generation tubing is constructed without the use of phthalate plasticizers in order to contribute to the preservation of human health and the environment.

Not simply cardiologists can use the Cardiology IV stethoscope. It is used to recognize, listen to, and study cardiac, pulmonary, and other bodily sounds in adult and pediatric patients by specialists and general practitioners, critical care nurses, EMTs, and other healthcare workers. The Cardiology IV stethoscope is made in the USA and comes with a 7-year warranty. Comes with large and small soft seal ear tips, large solid ear tips, a thermal bell, and instructions. ​

• Dual-lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes.

• Tunable diaphragm: Hear high or low-frequency sounds by slightly adjusting pressure on the chest piece.

• Outstanding acoustics with better audibility of high-frequency sounds (adult side, firm pressure).

• ​Next-generation tubing lasts longer and resists stains. Not made with natural rubber latex or phthalate plasticizers.

• Headset is easily adjusted for individual fit and comfort. Angled ear tubes align with ear canals.


  • Optimal fit and comfort through individually adjustable ear loop
  • tunable diaphragm: adjusting the frequency ranges by changing the pressure allows the chest piece
  • Outstanding acoustics with improved perception of high-frequency tones (large side, increased pressure)
  • Integrated dual tube system: elimination generated by double tubes crepitation by single hose with dual lumen
  •  Seven years warranty
  • Durable and dirt resistant tubing without natural rubber latex and plasticizers


Material: 100% Polyester
Color: Blue, Purple, White
Size: 20, 24



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Round-the-clock delivery 30$
Transportation by plane 105$
Transportation by traine 35$
Transportation by ship 90$
3M Littmann Stethoscope Cardio...