Which has a bigger cup — Marcinkiewicz 304 or Marcinkiewicz 4S?

Both mouthpieces have virtually identical cup diameters at 17.20 mm / 0.6772 in.

How does cup depth compare between Marcinkiewicz 304 and Marcinkiewicz 4S?

The Marcinkiewicz 4S has a medium cup while the Marcinkiewicz 304 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Marcinkiewicz 304 vs Marcinkiewicz 4S

Name: Marcinkiewicz 4S
Brand: Marcinkiewicz

the Marcinkiewicz 4S features a deeper cup.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Marcinkiewicz 304

• Cornet

Material—

Mouthpiece B

Marcinkiewicz 4S

• Cornet

Material—

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.