Bach 5C vs GR Technologies X66.8 C*
The GR Technologies X66.8 C* has a wider cup diameter, the GR Technologies X66.8 C* features a deeper cup.
Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.
Mouthpiece A
Bach 5C
• Trumpet
Finish—
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
GR Technologies X66.8 C*
• Trumpet
Finish—
Best suited for
Orchestral playing — large cup for full, dark tone
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.