Conn Precision 2 vs Conn Precision 4
the Conn Precision 2 features a deeper cup.
Mouthpiece A
Conn Precision 2
• Trumpet
GeneralCup diameter16.41 mm / 0.6461 in
Cup depth
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Players wanting plenty of volume; medium rim
Full volume; big tone
vs
Mouthpiece B
Conn Precision 4
• Trumpet
GeneralCup diameter16.41 mm / 0.6461 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
All-round versatile — balanced cup for general playing
Players with large lips; close to Bach 2C/Schilke 16C4
Bright tone; same as Model 3 with wide rim
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 16.41 mm / 0.6461 in.
Cup Depth
The Conn Precision 2 has a — cup while the Conn Precision 4 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
Both mouthpieces share the same listed material (Silver-plated brass).
Which is better?
Both mouthpieces are categorized as "General" — the physical dimensions above will determine which suits your embouchure and playing style better.