Yamaha MP TR 6A4A

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. Very shallow cup for easy high notes. Good for big-band type lead trumpet. It has 15.9 mm rim inner diameter and 3.65 mm throat.