Yamaha MP TR 14B4

Trumpet mouthpiece - produced using the most advanced computer design and manufacturing technology. Standard Series mouthpieces feature unmatched precision, smooth attack, secure control, and easy playability. They have the ideal weight for all-around usage and are available in over 100 configurations. Relatively large rim diameter and shallow cup. Outstanding overall balance for all musical genres. It has 16.85 mm rim inner diameter and 3.65 mm throat.