Bach Bach / 5B IGP Trumpet Mouthpiece Editions Bim Thanks to its excellent sound

Thanks to its excellent sound quality

and finger rolls

C - STANDBY (1 ON / 2 OFF) - When set to ON

A copper alloy containing 20-25% tin

Bach Bach / 5B IGP Trumpet Mouthpiece Editions Bim Thanks to its excellent soundBach 5B IGP Trumpet Mouthpiece with Inner Gold Plated Finish (Only the Rim and Cup Interior are Gold Plated) Bach mouthpieces are the most popular around the world, used by professionals and beginners alike. Poor instruments can be leveled up and good instruments can become even better. It has a rich volume, excellent intonation, good response from high to low notes, a rich resonance, consistent sound particles across the entire range, and moderate