When selecting a mouthpiece, a brass instrumentalist should choose one with a solid, compact tone of large volume. A carefully selected Bach mouthpiece can help improve a player’s embouchure, attack, tonguing and endurance. Because no two players have the same lip or tooth formation, what is perfect for one may be entirely unsuitable for the other. Bach produces many different models so that each player can find the best mouthpiece for their individual embouchure. The Bach Megatone K3513b 3B Trumpet mouthpiece features a fairly large cup with a warm and full tone. Depth of Cup: Medium Deep Approx. Cup Diameter: