Standard trumpet line mouthpiece in Silver plate. Few companies know more about mouthpiece manufacture, design and physics than the Schilke Company. They make a complete line of excellent trumpet mouthpieces that work with any instrument but especially compliment their fine line of outstanding trumpets. Models available: 14A4A: One of our most popular mouthpieces, the 14A4a offers a shallow “A†cup, semi-flat #4 rim and tight “a†backbore allows a player a strong upper register without sacrificing tonal production.