Littmann Cardiology IV Stethoscope Caribbean Blue Tube, 27 inch (6157)

The 3M Littmann Cardiology IV Stethoscope is designed for clinicians who require outstanding acoustic performance combined with exceptional versatility. ARTG ID 99380
$256.00 ex GST
$281.60 inc GST

Littmann Cardiology IV Stethoscope Caribbean Blue Tube, 27-inch (6157)

The first stethoscopes invented by Rene Laennec in 1816 were little more than hollow tubes. Although useful as a listening device, Laennec was also concerned with appropriate medical examination procedures that allowed physicians to keep a respectful distance from the female breast area. Over time, stethoscope use became accepted medical practice, and today’s stethoscopes are among the most immediately recognisable of all medical equipment.

In the 1960s, Dr David Littmann of Harvard University set out to design a flexible, more adaptable stethoscope utilising acoustically superior design features and components. The stethoscopes we use today are remarkably similar to Dr Littmann’s equipment, although the Littmann dedication to medical excellence is unwavering, including innovations that utilise the latest technology and medical science. As non-invasive and highly reliable diagnostic tools, stethoscopes are in a class of their own, and the Littmann Cardiology IV Stethoscope range is at the top of the class.

Caribbean-blue tube colour

Although the function of stethoscopes has remained unchanged for 200 years, the modern devices are far superior, providing improved diagnostic properties and ergonomic comfort for both doctor and patient. Along with improved features and greater utility, Littmann also offers personalised stethoscope colour choices. Quality Littmann stethoscopes are guaranteed for 7 years of reliable service, so a tailored approach to quality medical equipment is expected. The gleaming stainless-steel stethoscope can even be engraved with your name for secure, long-lasting and untarnished use. The Caribbean-blue tube Littmann Cardiology IV Stethoscope (6157) showcases style and colour that is familiar in hospital and medical environments.

What are the Cardiology IV benefits?

As a trusted stethoscope manufacturer, Littmann product development is in keeping with the expectations of students, doctors and other medical professionals. Littmann Cardiology IV stethoscope improvements include better acoustics, improved design and high-quality materials courtesy of the latest advances in medical science. Cardiology IV benefits ultimately lead to greater listening capacity for barely audible sounds, resulting in superior diagnosis and patient treatment. Littmann Cardiology IV Stethoscope benefits include:

  • Tuneable diaphragm for greater audibility of high frequency sounds
  • Diaphragm versatility; suitable for both adult and paediatric use
  • Single-piece diaphragm for easy removal and cleaning
  • Open bell adaptability that allows stethoscope conversion from paediatric to adult use
  • Next-generation tubing that resists tarnishing by skin oils, alcohol and other chemicals
  • Precision engineered chestpiece designed for comfortable, repeated use

What is Next Generation Tubing?

Littmann Cardiology IV Stethoscopes, including the 27-inch, Caribbean-blue model, are all made using next-generation tubing for longer life and greater resistance to corrosive chemicals. Rubber latex and phthalate plasticizers have been replaced by materials that don’t affect sensitive skin or damage the environment. In addition, Littmann Cardiology stethoscopes are fitted with double lumen tubing that facilitates two sound paths in one tube, eliminating distracting rubbing noise associated with regular twin-tubed stethoscopes. 

Tuneable diaphragm advantages

Improved Littmann advantages include tuneable technology for convenient, accurate stethoscope use. The advantages are appreciated by students and healthcare staff who demand accuracy every time. Tuneable, or dual-frequency stethoscope diaphragms combine the bell (low frequencies) and diaphragm (high frequencies) into on single-sided chestpiece that switches between frequencies using simple variations of pressure.

When using your Caribbean-blue Littmann Cardiology IV Stethoscope, there is no need to remove and replace the chestpiece for attaining accurate auscultation, providing confidence for the patient and certainty for the treating doctor. From the stainless-steel diaphragm to the comfortably adjustable ear pieces and every component in-between, Littmann Cardiology IV stethoscopes satisfy medical expectations for innovation, versatility and comfort. If you are commencing study or embarking on a medical career, Mentone Educational and Littmann products are worthy partners during every phase of your development.  


Cardiology/High Performance
Approved Environmental Marketing Claim (EMC)
3M™ Littmann® tubing does not contain phthalate plasticizers. It provides longer stethoscope life due to improved resistance to skin oils and alcohol, and is less likely to pick up stains.
Binaural Construction
Double Lumen
3M™ Littmann® Stethoscopes
Chestpiece Finish
Machined stainless steel
Chestpiece Technology
Double Sided
Chestpiece Weight (metric)
87 g
Black, Burgundy, Caribbean Blue, Hunter Green, Navy Blue, Plum, Raspberry, Rose Pink
Colour Group
Black, Blue, Brown, Green, Purple, Red
Diameter (Metric)
Diaphragm Diameter (metric)
4.3 cm
Diaphragm Material
Diaphragm Type
Tunable, single-piece
Eartip Type
Soft Sealing
Environmental claim being made
Environmental claim relates to
Evidence for Claim
Self Certified
Extra Eartips
Headset Material
Wide diameter aerospace alloy / Anodized aluminum
69 cm
Cardiology IV™
Net Weight (Metric)
177 gm
Small Diaphragm Diameter (metric)
3.3 cm
Special Adaptors
Tube Colour
Black, Burgundy, Caribbean Blue, Hunter Green, Navy Blue, Plum, Raspberry, Rose Pink
Warranty Period
7 Years
SKU PE2006
Brand Littmann
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