The Eastman EME421 Series Bb marching euphonium delivers strong projection and reliable performance for students and section leaders looking for an edge on the field. Built with an 11" yellow brass bell, the instrument produces a warm, powerful tone that supports low brass lines in any outdoor setting. Stainless steel pistons offer fast action and durability, while the .571" bore encourages a centered, focused sound. An adjustable 1st valve tuning trigger provides precise intonation correction on the move—a key advantage during fast-paced show sets. Supplied with a Stadium series mouthpiece and a sturdy case, this marching euphonium is available in lacquer or silver plate, making it ready for long practice sessions, parades or game-day performances.

Eastman Build Quality Supports Demanding Marching Environments

Students and instructors looking for a balanced, powerful instrument will notice how the EME421's yellow brass bell maintains consistent sound from the first note to the final cadence. Stainless steel valves resist sticking, even after hours of rehearsals in variable weather. The 1st valve tuning trigger makes live intonation fixes simple, reducing stress during complex drill routines. Designed for comfort and reliability, the EME421 Series Bb marching euphonium adapts to stadiums, parades and field competitions. Marchers stay confident, knowing their equipment stands up to the rigors of the season while supporting every musical detail that brings halftime shows to life.