Product Description
Littmann Cardiology IV Stethoscope Model 6240
Precision acoustics. Sleek design. Trusted performance.
The Littmann Cardiology IV Stethoscope Model 6240 features all-black tubing and binaurals, paired with a high-polish rainbow chestpiece and black anodized stem for a bold, modern look. The rainbow chestpiece is one of our most popular finishes, showcasing a shimmering gold base with subtle hints of multiple colors. It adds a unique, vibrant touch while maintaining a professional edge. At 27 inches, it rests comfortably around your neck and stays securely in place throughout your day. Add same-day engraving to personalize it and help ensure it stays yours.
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: 6240
Color: High polish rainbow finish chestpiece, black binaurals, black tubing, black stem
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 6240 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
6 Reviews Hide Reviews Show Reviews
-
Great stethoscope!
Highly recommend!!
-
Littman Cardiology IV Stethoscope
Excellent acoustics. Lung sounds and cardiac sounds are awesome!
-
My experience with Stethoscope.com was great!
The website was easy to navigate, the checkout process was seamless, and my granddaughter received her stethoscope in 2 days! They even emailed me back when I asked how they did it so fast and did they indeed do the engraving? They did! and it came out beautiful! I highly recommend Stethoscope.com!
-
Love the product
Got this as a gift to myself and I absolutely love the stethoscope.
-
Excelent services and excelent product
Excelen services
-
The best stethoscope
I been buying with this company many years now and will buy again from them. I had a littman since I started nursing, my hubby bought it as a gift. You can hear real well, if you want to have a great stethoscope, I would definitely recommend Littman.


