The 3M Littmann Master Cardiology is the highest-performing mechanical stethoscope in the Littmann lineup — designed for clinicians who require absolute acoustic precision and won't compromise on sensitivity. It delivers the clearest, most detailed sound reproduction of any Littmann stethoscope, making it the instrument of choice for diagnosing subtle cardiac abnormalities where other stethoscopes fall short.

The single-sided stainless steel chestpiece is precision-machined for optimal sound transmission, paired with an ergonomically designed tunable diaphragm that enables full frequency range access through pressure adjustment alone — no flipping, no repositioning. Light pressure captures low-frequency sounds (S3 gallops, diastolic rumbles); firm pressure reveals high-frequency sounds (systolic murmurs, breath sounds). The result is an uninterrupted, focused auscultation experience.

The dual-lumen single tube eliminates the acoustic interference caused by the rubbing of traditional double tubes — preserving the clarity of what you hear. Next-generation tubing resists skin oils, alcohol, and staining, holds its shape after repeated pocketing, and is latex-free with no phthalate plasticizers.

• Single-sided precision-machined stainless steel chestpiece
• Tunable diaphragm — full frequency range via pressure adjustment
• Dual-lumen single tube — minimal acoustic interference
• Highest acoustic sensitivity among Littmann mechanical stethoscopes
• Adjustable headset tension | Snap-tight soft-sealing eartips
• Latex-free, phthalate-free | Alcohol and oil resistant tubing
• Tube length: 27 inches | Made in USA | 7-year warranty
• Includes: large and small soft eartips, large firm eartips, instructions

Ideal for: Cardiologists, internists, critical care physicians, and senior clinicians who require the highest diagnostic sensitivity from a mechanical stethoscope.

Care & Maintenance

• Wipe chestpiece with 70% isopropyl alcohol after each patient contact
• Do not immerse in liquid or autoclave
• Store away from extreme heat, solvents, and oils
• Replace eartips when they show signs of wear

Sold by BeHealthy — authorized 3M Littmann reseller in the Philippines. Genuine product with 7-year manufacturer warranty.