The B and S Challenger II Series Professional Bb Trumpets are the best of German quality and craftsmanship from Markneukirchen Germany. The B & S Challenger II Series features .459-inch bore designed for excellent response and intonation. The Challenger II Series also features 4.9-inch #37 taper bell for superior projection. Inspired by the Bach Stradivarius 180S-37 and very similar in construction to the F. Schmidt 37S Bb Trumpet, the B and S Challenger II Bb Trumpets are well suited for any type of performance situation. The B and S Challenger II Series Professional Bb Trumpet include a deluxe case and mouthpiece. The Challenger I Bb trumpet is a step-up instrument which offers excellent value for money, and is especially suited to students.