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GR Technologies 64E-5 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
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    GR Technologies 64E-5
    • Trumpet
    Material—
    vs
    Mouthpiece B
      GR Technologies 64Z**
      • 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 64E-5 details GR Technologies 64Z** details GR Technologies 64E-5 equivalents GR Technologies 64Z** equivalents

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      Compare GR Technologies 64Z** with others

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