Which has a bigger cup — Denis Wick 4 or Kelly MC?

The Denis Wick 4 has a cup diameter of 18.00 mm / 0.7087 in compared to 16.76 mm / 0.6598 in on the Kelly MC — a difference of 1.24 mm / 0.0488 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 Kelly MC?

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

Denis Wick 4 vs Kelly MC

Name: Kelly MC
Brand: Kelly

The Denis Wick 4 has a wider cup diameter, the Denis Wick 4 has a larger throat opening.

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

Denis Wick 4

• French Horn

Backborebarrel

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Kelly MC

• French Horn

General

BackboreM

Best suited for

📣High-volume projection — open throat for power

📋All-purpose French horn

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.

Open in interactive tool + Add third mouthpiece Denis Wick 4 details Kelly MC details Denis Wick 4 equivalents Kelly MC equivalents

Denis Wick 4 vs Kelly MC

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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Denis Wick vs Kelly

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