Which has a bigger cup — Monette BP4S S2 or Schilke 13A4a?

The Schilke 13A4a has a cup diameter of 16.76 mm / 0.6598 in compared to 16.20 mm / 0.6378 in on the Monette BP4S S2 — a difference of 0.56 mm / 0.0220 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Monette BP4S S2 and Schilke 13A4a?

Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.

Monette BP4S S2 vs Schilke 13A4a

Name: Schilke 13A4a
Brand: Schilke

The Schilke 13A4a has a wider cup diameter.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Monette BP4S S2

• Trumpet

Backbore—

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

Mouthpiece B

Schilke 13A4a

• Trumpet

Backbore27

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.