Schilke Trumpet 15B

First off, like all schilke products, this mouthpiece is excellent quality. My review comments are specifically comparing the Schilke 15B to the Schilke 15 (which I have played for 5 years now).

The sound quality from the 15B is a noticeable step down from the 15, I found the sounds a little abrasive and quiet dynamics were unpleasant. In terms of range gain, I did not find the high range more secure and I had to put in the same amount of effort. However, my top D (on Bb trumpet) was more in tune using the 15B over the 15. The 15B responds more immediately than the 15 making it a better choice for big band music than the 15 but I would not bring the 15B to a concert band or an orchestra.

Of course, your millage may vary and the best way to choose a mouthpiece is to go and try them in person to see if the concessions made by the 15B are worth the gains