The King 1129SP marching euphonium offers deep rich voicing to compliment the balance of any marching organization. Allows for a full lower register and a unique voicing on the field that baritones cannot offer. 1st slide trigger and 3rd slide finger ring allow for easy intonation adjustments. Nickel plated pistons provide smooth, quick action and unmatched durability. The heavy duty marching case is designed to be stackable to minimize space requirements.