Manufacturer Specifications  PDF


The 3M™ Littmann® Master Cardiology™ Stethoscope is characterized by the best acoustic response in the Littmann mechanical stethoscope line; with a tunable diaphragm dual-lumen tubing, and a precision, ergonomic design, stainless steel chest piece.

Product Code: 3MC2161

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Millions of medical professionals around the world begin their medical education with the purchase of a 3M™ Littmann® Stethoscope. The outstanding acoustic performance and high quality of the Littmann stethoscopes help these professionals render diagnostic from the first day of school and throughout their entire careers.
  • Outstanding acoustics: The highest performance for Littmann mechanical stethoscopes.
  • Tunable diaphragm: hear high or low-frequency sounds by slightly adjusting pressure on the chest piece.
  • Dual-lumen tubing: two sound paths in one tube eliminate the rubbing noise of traditional double tubes.
  • Includes Special Procedures Adaptor for pediatric or neonatal auscultation.
  • Headset is easily adjusted for individual fit and comfort; angled ear tubes align with ear canals. Polished stainless steel single-sided
  • wide diameter aerospace alloy
  • Tunable 4.4 cm (1.75”)
  • Tunable diaphragm technology.
  • Precision chest pieces.
  • High quality, Dual-Lumen tubing.
  • Snap tight soft-sealing ear tips.
  • No additional item is provided with this product.