3M Littmann® Cardiology IV Clinician Stethoscope, Black


The 3M™ Littmann® Cardiology IV™ Clinician Stethoscope provides outstanding acoustic performance combined with exceptional versatility. Its innovative design provides a single-piece tunable diaphragm on each side of the chestpiece.

It offers improved acoustics with enhanced audibility of high-frequency sounds. 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 smooth, single-piece diaphragms that are easy to remove, attach and clean.

Headset tension can be easily adjusted depending on the head size and comfort. Simply squeeze together and pull apart the eartubes. Snap-tight, soft-sealing eartips conform to individual ears for an exceptional acoustic seal and comfortable fit. Eartips snap firmly onto the ends of the eartubes and require some force to remove. Resilient tubing retains its shape and flexibility even after being stored in a cramped space. It provides longer stethoscope life due to improved resistance to skin oils and alcohol, and is less likely to pick up stains. Next-generation tubing is not made with natural rubber latex or phthalate plasticizers.

The stethoscope comes complete with large and small soft-sealing eartips, large firm eartips, a non-chill bell sleeve and instructions.


  • Quality acoustics promote improved high-frequency audibility (adult side, firm pressure)
  • Tunable diaphragm allows you to hear high or low-frequency sounds by slightly adjusting the pressure
  • Dual-lumen tubing eliminates the rubbing noise of traditional double tubes
  • Next-generation tubing lasts longer and resists stains
  • Not made with natural rubber latex or phthalate plasticizers
  • Open bell resists dirt by utilizing the small diaphragm for cover
  • Ideal for general practice physicians, specialists, nurses, EMTs, students and other healthcare professionals
  • Headset is adjustable for individual fit and comfort
  • Angled eartubes align with ear canals


  • Chestpiece finish: Machined stainless steel
  • Chestpiece size: 1.3"
  • Chestpiece weight: 3.1oz
  • Diaphragm material: Epoxy/fiber glass
  • Eartip type: Soft-sealing
  • Headset material: Wide diameter aerospace alloy/anodized aluminum
  • Length: 22" (item L6151 only), 27"
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