Worth the extra $. Master cardiology is the way to go. Just read the amazon reviews and you can tell that it is a favorite. 3M Littmann Master Cardiology
The master cardiology is the way to go :) It is the best that i have ever had. It also comes with a pediatric attachment which is kinda neat. Check out the reviews of it on amazon, that's why I chose...
I also have the master cardiology. It is the nicest one that I have tried and it comes with a pediatric attachment which is kind of neat. here is a link: 3M Littmann Master Cardiology