Which has a bigger cup — Denis Wick 4BS or Giardinelli 4M?

The Denis Wick 4BS has a cup diameter of 25.90 mm / 1.0197 in compared to 25.40 mm / 1.0000 in on the Giardinelli 4M — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 4BS and Giardinelli 4M?

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

Denis Wick 4BS vs Giardinelli 4M

Name: Giardinelli 4M
Brand: Giardinelli

The Denis Wick 4BS has a wider cup diameter, the Denis Wick 4BS 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 4BS

• Trombone

Backboremedium

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Giardinelli 4M

• Trombone

Backbore1/4" (.250)

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.

Open in interactive tool + Add third mouthpiece Denis Wick 4BS details Giardinelli 4M details Denis Wick 4BS equivalents Giardinelli 4M equivalents

Denis Wick 4BS vs Giardinelli 4M

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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Denis Wick vs Giardinelli

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