Bach 4G Large Shank Trombone Mouthpiece
Large shank mouthpiece. The 4G is a popular large alternative to the more common 5G series models. The larger cup and throat (bore) help darken the tone, especially at loud dynamics and in the middle and lower registers. For stronger players.
• 26.00mm diameter rim
• Deep cup
• 429 backbore
• 0.276" throat
• Medium wide and slightly rounded rim