Is there a big difference between the 22" tube & the 27"?

Bought a 22'' several years ago, and I didn't notice a difference acoustically. What gets annoying sometimes is the 22" falling off my shoulders (I keep it there, rather than in my coat pocket) when not in use. May not seem like a big deal, but there have been a few times when I'm doing an abdominal or patient in supine position exam, where the 22 inch 'scope can easily slide off my one shoulder and clunk the patient in the chest.

Is the cardiology iv worth the extra money in comparison to the iii? Does it have better sound quality than the iii? What are the main differences?

I actually purchased a 3 had it for 3 weeks and it got stolen so I got a 4. The sound quality on the 4 is amazing. is it better than the 3, I can't really tell a noticeable difference... it does feel lighter to me than the 3. I also feel that it is made with different material as it seems to be easier to clean. Not exactly sure what the main differences are but for an extra 20$ I think it is completely worth it.

Is this better than the classic iii? my wife will receive her diploma as a m.d. , and this will be my gift to her. she already use a classic iii

The 3M Littmann 6158 Cardiology IV Stethoscope has a seven year warranty. The acoustics are better than the classis III. On an acoustic scale of 1 to 10 it would be a 9.The Classic III has a five year warranty. On an acoustic scale of 1 to 10 it would be a 7.Thank you for your interest.CeilBlue Service

Is the littman cardiology iv better than the cardiology iii?

Yes!! Way better!! Had a 3 for years and just got a 4 and absolutely love it!! The sound quality is amazing!!

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🎧 Elevate your diagnostic game with sound clarity that sets you apart

SAFE SMART - Made without natural latex or phthalates, combining safety with professional-grade performance
BUILT TO LAST - Next-gen tubing resists stains and wear, ensuring your stethoscope stays pristine through every shift
HEAR EVERY DETAIL - Advanced acoustics with enhanced high-frequency audibility for pinpoint diagnostics
CUSTOMIZABLE CLARITY - Easily adjustable diaphragm lets you switch between high and low frequencies with simple pressure
COMFORT MEETS PRECISION - Ergonomically designed, adjustable headset aligns perfectly with your ear canals for all-day wear

The 3M Littmann Cardiology IV stethoscope features dual lumen tubing that eliminates sound interference, a tunable diaphragm for versatile frequency detection, and durable, stain-resistant materials free from latex and phthalates. Designed for clinicians demanding superior acoustic performance and comfort, it offers an adjustable headset for a personalized fit and long-lasting reliability.

Reviews

A**A

Good experience

Was a bit worried about some negative reviews regarding fake and poor quality products, because it's a non returnable product. But took the risk and it's truly a littmann, the sound is absolutely amazing!

2.10.2024

A**R

Unmatched quality 👌

Excellent performance

24.04.2025

R**N

Original Product & Good functionality.

I like the stethoscope in general, love the quality of sound.Two issues were first the tubing is sticking somewhat & diaphragm finishing was not good.

23.10.2023

L**L

Totally worth it

This is original product and cheapest 3M cardiology series stethoscope, I got this in 10.9k in Amazon sale, just go for it

17.09.2022

D**R

Great

Original product

8.01.2024

V**H

Good and original product

Using the cardiology 3 for since 10 yrs...it was stolen.due to the quality of cardiology series again opted for this series ...quality is good and minor noticable changes...

1.12.2022

S**R

It's authentic

Buy it if you really want to appreciate heart murmurs.

30.05.2023

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Colour	Black
Brand	3M Littmann
Exterior Finish	Stainless Steel
Material	Stainless Steel
Item Weight	0.17 Kilograms
Model Name	Cardiology IV
Recommended Uses For Product	Heart Beat
UPC	707387789770
Global Trade Identification Number	00707387789770
Manufacturer	3M
Country of Origin	India
Model number	6152
Number of Memory Sticks	1
Item Weight	167 g
Product Dimensions	40.64 x 18.54 x 14.73 cm; 167 g
Item model number	6152
Item Height	14.73 Centimeters
Item Width	18.54 Centimeters
Included Components	Warranty card, spares, Manual
Are batteries included?	No

3M Littmann Cardiology IV Diagnostic Stethoscope, Standard-Finish Chestpiece, Black Tube, Stainless Stem and Headset, 27 inch, 6152

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