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3M™ Littmann® Master Classic II™Teaching Stethoscope, Black and Burgundy Tube, 40 inch, 2139

UPC# 00707387443771    CAT# 2139    3M ID 70200677352     
Littmann Teaching Stethoscope photo
Littmann Teaching Stethoscope photo
Used by physicians and nurses worldwide, the 3M™ Littmann® Master Classic II™ Teaching Stethoscope combines award-winning ergonomic design with performance and comfort for quality sound transmission.


  • Dual headsets for real-time teacher-patient auscultation
  • 40-inch tube for easy movement around a patient
  • Pressure-based sound frequency adjustment with tunable diaphragm
  • Anatomically designed headsets
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Additional Benefits - Patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips - Durable, latex-free design - 3-year warranty


ApplicationsPhysical Assessment and Diagnosis
Chestpiece FinishPlated and Polished Alloy
Chestpiece TechnologySingle sided
ColorBlack, Burgundy
Color GroupAssorted
Diaphragm Diameter1.75 Inch
Diaphragm Diameter (metric)4.4 cm
Diaphragm MaterialEpoxy/Fiberglass
Diaphragm TypeTunable Diaphragm
Eartip TypeSoft Sealing
Extra EartipsYes
Headset MaterialWide diameter aerospace alloy / Anodized aluminum
Length40 Inch
Length (Metric)102 cm
ModelMaster Classic II™
Net Weight269 g
Net Weight (Metric)269 g
Small Diaphragm Diameter (metric)3.2 cm
Special AdaptorsNo
Tube ColorBlack and Burgundy
UsagePrint Collection
Warranty Period3 years