Product Description
Littmann Cardiology IV Stethoscope Model 6156
Precision acoustics. Sleek design. Trusted performance.
The Littmann Cardiology IV Diagnostic Stethoscope Model 6156 stands out in a vibrant plum finish that instantly adds energy and personality to your everyday routine. This bright, cheerful color helps create a warm and positive tone with patients while still looking polished and professional. At 27" in total length, this model fits comfortably around your neck and stays securely in place throughout your shift. It features Littmann’s eye-catching plum tubing paired with a sleek stainless steel chestpiece and binaurals for a clean, high-end look. Ready to move beyond basic black? Brighten the entire floor with this fun, confident plum color that patients will absolutely love.
Whether you're a physician, nurse, EMT, or medical student, the Cardiology IV delivers the performance and versatility needed to confidently assess both adult and pediatric patients.
Why Choose the Littmann Cardiology IV?
- Superior Acoustic Performance – Hear subtle heart, lung, and body sounds with clarity
- Dual-Sided Chestpiece – Easily switch between adult and pediatric patients
- Tunable Diaphragm Technology – Detect high and low frequencies without repositioning
- All-Black Professional Design – Sleek, modern, and durable
- Comfortable 27” Length – Fits securely around your neck for all-day use
- Weighs less** than other stethoscopes
- Same-Day Engraving Available – Personalize for identification or gifting
Built for Clinical Excellence
Engineered for demanding environments like hospitals, ERs, and clinics, the Littmann Cardiology IV features dual-lumen tubing that eliminates noise interference and delivers clear sound directly to each ear.
It’s more than twice as loud* as comparable stethoscopes and excels at detecting low-frequency (below 120Hz*) sounds such as:
- Korotkoff sounds
- Mitral stenosis murmurs
- S3 and S4 gallops
Product Features & Specifications
Model: 6156
Color: Stainless steel chestpiece and binaural, plum tubing
Length: 27 inches
Weight: 6.2 oz
Chestpiece:
- Adult diaphragm: 1.7”
- Pediatric diaphragm: 1.3”
- Convertible pediatric side to open bell (included sleeve)
Technology & Build:
- Dual-lumen tubing for reduced noise interference
- Tunable diaphragms on both sides
- Soft-sealing eartips for comfort and acoustic seal
- Adjustable headset for personalized fit
- Latex-free, phthalate-free tubing resistant to oils and alcohol
Warranty: 7-year manufacturer warranty
Origin: Made in the USA
Personalize with Same-Day Engraving
Add a custom engraving that appears in dark contrast on the stainless steel chestpiece.
Perfect for:
- Preventing loss or theft
- Medical school graduation gifts
- Professional identification
Who This Stethoscope Is For
- Physicians and specialists
- Nurses and nurse practitioners
- EMTs and paramedics
- Medical and nursing students
Trusted by Medical Professionals Worldwide
The Littmann Cardiology IV is one of the most widely recommended stethoscopes for its balance of performance, durability, and comfort. It’s built to handle the demands of daily clinical use while delivering consistent, reliable results.
Ready to Upgrade Your Diagnostic Tools?
Get the Littmann Cardiology IV Model 6156 today and experience unmatched acoustic performance.
- Order now for fast shipping
- Add engraving for same-day personalization
Disclaimer
*Based on tests against comparable stethoscopes in the same class using recorded heart sounds.
**Based on published weights of comparable stethoscopes in the same category.
Product Videos
Custom Field
Product Reviews
24 Reviews Hide Reviews Show Reviews
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Exactly what my RN needed.
Easy process, fast shipping. Daughter states she loves her gift.
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Wonderful
Please help us with your opinion... Dear Rebecca Pierce, I recently purchased an item from Stethoscope.com. They did a good job getting me what I ordered in a timely manner. I can tell they work very hard to make sure that the products they sell are exactly what you expect.
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Stethoscope purchase
It was very easy to order. The engraving was correct and perfect. 2 of my daughters are in the medical field 1 is OB Nurse and the other is a New Veterinarian. Both have used littmann stethoscopes. I bought this for my daughter who just became a Veterinarian for Christmas. I would recommend your website to anyone for medical supplies.
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Amazing customer service and fast shipping
Had a great shopping experience. Would 100% recommend stethoscope.com.
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Great Customer Service
We ordered this model at the request of our daughter who graduated with a Doctorate of Nursing. We are very excited to provide her with the best there is. It arrived in a timely manner, and her engraved name was spelled exactly. The person who took the order was great! Thank you!
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Stetho 3M Littmann Cardiology IV
Actually my colleague Roberto was in USA and the Stetho was purchased for my Daughter Maelly Romy Ikuno - (maellyromy@uol.com.br). It was very good for us your commitment in delivering them on time, and and I am very thankfull for that. We hope purchasing more items in a short time. Engraving is fantastic. Many many tkanks for now. Luiz Ikuno - (laikuno@mmm.com)
FAQ: Littmann Cardiology IV
Is the Littmann Cardiology IV worth it?
Yes, the Littmann Cardiology IV is worth it for clinicians, students, and nurses who want stronger acoustic performance than an everyday monitoring stethoscope. It is especially useful for users who need clearer high-frequency sounds, more precise auscultation, and a stethoscope that works well across adult and pediatric patients. The Cardiology IV starts around $199.00, with premium finishes and satin tube styles priced higher.
What is the difference between the Littmann Classic III and Cardiology IV?
The Littmann Classic III is a dependable everyday stethoscope designed for routine physical assessments, making it a strong choice for nursing students, medical students, and general clinical use. It features a dual-sided chestpiece with tunable diaphragms on both the adult and pediatric sides, offering solid versatility at a more accessible price point.
The Littmann Cardiology IV is a higher-performance model built for clinicians who want enhanced acoustic sensitivity and clearer sound detail, especially when listening for subtle heart, lung, or body sounds. It also has a dual-sided chestpiece for adult and pediatric patients, but it delivers stronger sound performance than the Classic III, making it a better fit for advanced assessments, cardiology-focused care, emergency medicine, and busy clinical environments.
Is the Littmann Cardiology IV good for pediatrics?
Yes. The Littmann Cardiology IV is good for pediatrics because it has a dual-sided chestpiece with an adult side and a smaller pediatric side. The pediatric side can be helpful when assessing children or smaller auscultation areas, while the adult side supports broader general and cardiology-focused exams.
Which is better: Littmann Cardiology IV vs. Master Cardiology?
The Littmann Cardiology IV is better if you want a two-sided chestpiece for both adult and pediatric patients. The Littmann Master Cardiology is better if you want Littmann's highest-level non-digital acoustic performance in a single-sided chestpiece designed primarily for adult patients. For students, pediatric users, and general clinical flexibility, choose Cardiology IV. For advanced adult auscultation and premium acoustic sensitivity, choose Master Cardiology.
Can you remove the bell on a Cardiology IV?
Yes. The Littmann Cardiology IV has a dual-sided chestpiece with an adult side and a pediatric side. The pediatric diaphragm can be removed and replaced with the included non-chill bell sleeve, converting that side into an open bell. This lets you use the smaller side for low-frequency sounds or smaller assessment areas.
For replacement diaphragms, eartips, and more, see Littmann spare parts.
When did the Littmann Cardiology IV come out?
The Littmann Cardiology IV was introduced in March 2016. 3M announced the new model on March 22, 2016, positioning it as the next-generation cardiology stethoscope with improved ability to detect hard-to-hear body sounds. To this day, it remains one of the most reliable and trusted stethoscopes by medical professionals.
How does the Cardiology IV stethoscope sound?
The Littmann Cardiology IV is designed for clear, high-performance acoustic sound with strong audibility of subtle heart, lung, and body sounds. Compared with more basic monitoring stethoscopes, it delivers richer sound detail, especially for high-frequency sounds, and is built for demanding environments such as hospitals, ERs, clinics, and specialty care settings. The Cardiology IV offers improved acoustic performance with better audibility of high-frequency sounds.
Its tunable diaphragm technology lets clinicians hear different frequencies by adjusting pressure on the chestpiece, while dual-lumen tubing helps reduce rubbing noise and sound interference. For clinicians who want a traditional acoustic stethoscope with stronger diagnostic clarity than an everyday model, the Cardiology IV is one of the most popular upgrades.