3M Littmann Master Cardiology Stethoscope – Brass Finish 2175

✔ Highest acoustic performance in the Littmann lineup ✔ Tunable diaphragm for high and low frequency sounds ✔ Dual-lumen tubing reduces ambient noise interference ✔ Adjustable headset with angled eartubes for comfort ✔ Brass-finish stainless steel chestpiece, 27" black tubing The 3M Littmann Master Cardiology Stethoscope delivers top-tier acoustic performance for advanced assessments. Its tunable diaphragm allows clinicians to easily switch between low and high-frequency sounds by adjusting pressure on the chestpiece. Dual-lumen tubing eliminates the friction sounds of traditional double tubes, while the headset adjusts for a secure and comfortable fit. Ideal for cardiologists and critical care professionals seeking clarity and performance