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

GR Technologies 64ES 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
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    GR Technologies 64ES
    • Trumpet
    Throat diameter—
    vs
    Mouthpiece B
      GR Technologies 64Z**
      • Trumpet
      Throat diameter—

      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 64ES details GR Technologies 64Z** details GR Technologies 64ES equivalents GR Technologies 64Z** equivalents

      Compare GR Technologies 64ES with others

      Compare GR Technologies 64Z** with others

      Popular Trumpet comparisons

      Browse by specification