Haefner 1HXB model

The Haefner 1HXB is a Bb Trpt version of the Haefner 1HX. This mouthpiece is specifically designed for the Bb trumpet, with a throat component that matches  Bb trumpets. The rim  is identical to the 1HX and the cup is close to the same.  The 1HXB will have which allows improved articulation, accuracy, and efficiency, along with a pure core of sound.