Conn Imp. Precision 4 vs Conn Precision 2
the Conn Precision 2 features a deeper cup.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Conn Imp. Precision 4
• Tuba
GeneralRim width—
Best suited for
Small Eb bass
Full rich tone
vs
Mouthpiece B
Conn Precision 2
• Tuba
GeneralRim width—
Best suited for
BBb bass; general use
Full rich tone in all registers
Which is better?
Both mouthpieces are categorized as "General" — the physical dimensions above will determine which suits your embouchure and playing style better.