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GR Technologies 3M vs Yamaha TR-14B4

The Yamaha TR-14B4 has a wider cup diameter, the GR Technologies 3M 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
    GR Technologies 3M
    • Trumpet
    Material—
    vs
    Mouthpiece B
      Yamaha TR-14B4
      • Trumpet
      Material—

      Which is better?

      Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.

      Open in interactive tool + Add third mouthpiece GR Technologies 3M details Yamaha TR-14B4 details GR Technologies 3M equivalents Yamaha TR-14B4 equivalents

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