Which has a bigger cup — Denis Wick 4 or Denis Wick RW4?

The Denis Wick RW4 has a cup diameter of 16.50 mm / 0.6496 in compared to 16.40 mm / 0.6457 in on the Denis Wick 4 — a difference of 0.10 mm / 0.0039 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 4 and Denis Wick RW4?

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

Denis Wick 4 vs Denis Wick RW4

Name: Denis Wick RW4
Brand: Denis Wick

The Denis Wick RW4 has a wider cup diameter.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Denis Wick 4

• Cornet

Rim width5.27 mm / 0.2075 in

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Denis Wick RW4

• Cornet

Rim width5.27 mm / 0.2075 in

Best suited for

📣High-volume projection — open throat for power

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.