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GR Technologies 67MX vs Yamaha TR-14B4

The GR Technologies 67MX has a wider cup diameter, the GR Technologies 67MX 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 67MX
    • Trumpet
    Material—
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    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 67MX details Yamaha TR-14B4 details GR Technologies 67MX equivalents Yamaha TR-14B4 equivalents

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