Conn Precision 3 vs Conn Precision 4

the Conn Precision 4 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    Conn Precision 3
    • Trombone
    General
    MaterialSilver-plated brass
    Best suited for
    📋Musicians with large lips; all kinds of band work
    🎶Full round tone; ideal for large lips
    vs
    Mouthpiece B
      Conn Precision 4
      • Trombone
      Orchestral
      MaterialSilver-plated brass
      Best suited for
      📋Bass trombone
      🎶Full rich deep tone quality

      Material

      Both mouthpieces share the same listed material (Silver-plated brass).

      Which is better?

      The Conn Precision 3 is designed for general playing, while the Conn Precision 4 targets orchestral use. Your best choice depends on your musical context.

      Open in interactive tool + Add third mouthpiece Conn Precision 3 details Conn Precision 4 details Conn Precision 3 equivalents Conn Precision 4 equivalents