We’re always being asked “Which stethoscope is the best?” and “What’s the difference between the Littmann Classic III and the Littmann Cardiology IV?” With a variety of stethoscope models to choose from, all with different specifications and coming it at different price points, it’s understandable why the answers to these questions are important to students and healthcare professionals. In this article, we will try to compare the differences between the different models of Littmann stethoscopes so you can decide which is best for you.