Yamaha Trumpet Mouthpiece 11B4

Features

• The 11B4 trumpet mouthpiece has a somewhat shallow cup and medium rim that provide extra endurance and a brilliant tone.
• 16.46mm inner diameter, semi-shallow cup
• Semi-flat rim, semi-narrow backbore
• Extra thick silver plating for added durability and longevity.
• Fits all brands and models of standard trumpets.