The 3M Littmann® Master Cardiology Stethoscope is characterised by the best acoustic response in the Littmann mechanical stethoscope line; with a tunable diaphragm, dual-lumen tubing, and a precision, ergonomically designed, stainless steel chestpiece.

Features

• Outstanding acoustics: The highest in Littmann mechanical stethoscopes
• Two-in-one tube design (dual lumen) eliminates noise from two tubes rubbing together
• Dual-lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes
• Portable convenience of a single-sided chestpiece
• Allows you to perform neonatal or paediatric auscultation with special-procedures adaptor included with stethoscope purchase
• Comfortably angled, anatomically correct headset. This assures a proper fit, minimises air leaks and prevents the headset from loosening over time. Double-leaf binaural spring allows easy adjustment of ear tube tension
• Comfortable fit and excellent acoustic seal with patented 3M Littmann Snap-Tight Soft Sealing Eartips
• You won’t hear unwanted “rubbing noises” with its clever design. One tube contains two parallel sound channels intended minimise extraneous noise
• Expect peak performance with a 10 rating on a 1-10 performance scale
• Seven-year warranty
• Length: 69cm/27 in
• Weight 185g
• Acoustic Performance 9
• Chestpiece: construction single sided, material polished stainless steel
• Diaphragm diameter 4.4cm
• Tubing: construction single lumen, single acoustic channel
• Material: not made with natural rubber or phthalate plasticizers
• Headset: material wide diameter aerospace alloy/ anodised aluminium