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GR Technologies 65.6MS vs Yamaha TR-14B4

The Yamaha TR-14B4 has a wider cup diameter, the GR Technologies 65.6MS features a deeper cup.

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 65.6MS
    • Trumpet
    Finish—
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    vs
    Mouthpiece B
      Yamaha TR-14B4
      • 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 65.6MS details Yamaha TR-14B4 details GR Technologies 65.6MS equivalents Yamaha TR-14B4 equivalents

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