LOTUS Trumpet 9XS2 Nickel Silv. Gen3; mouthpiece for trumpet; cup diameter: 16.0 mm, comparable to Warburton 7ES and Monette 40ES; cup depth: extremely shallow; bore: 3.6 mm; material: nickel silver (brighter and more focused sound, clearer articulation), LOTUS gold plating: hypoallergenic, scratch-resistant and does not tarnish; focuses the most exciting notes and amplifies them dramatically; "screaming" sound; Extremely bright timbre and very easy access to the upper register.