The Littmann Master Cardiology Stethoscope is engineered to deliver the highest level of acoustic performance in the Littmann mechanical stethoscope line. Featuring a tunable diaphragm, dual-lumen tubing, and a precision ergonomically designed chestpiece, it allows for exceptional sound clarity during detailed assessments. This model comes with a black tube and standard finish, double lumen binaural construction, and a matte chestpiece. It measures 69 cm (27.17 inches), weighs approximately 185 g, and is designed for cardiology and high-performance applications. Catalog number 2161.