Home › Trumpet › GR Technologies 64S vs GR Technologies 64Z**

GR Technologies 64S vs GR Technologies 64Z**

Both mouthpieces share similar core dimensions — the differences are in the details.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.
Mouthpiece A
    GR Technologies 64S
    • Trumpet
    Finish—
    vs
    Mouthpiece B
      GR Technologies 64Z**
      • Trumpet
      Finish—

      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 64S details GR Technologies 64Z** details GR Technologies 64S equivalents GR Technologies 64Z** equivalents

      Compare GR Technologies 64S with others

      Compare GR Technologies 64Z** with others

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