Two Piece System!
The Warburton Two-Piece Tenor Trombone System offers the player an optimum choice of cup style and backbore to best meet their performance needs. These mouthpieces feature separate cups with different cup depths in a certain diameter plus backbores that allow the player to adjust the sound for different performance settings.
Features
Available with shallow, medium, deep, symphony tenor and bass cups and small or large shank backbores