Detail 01
18mm cup diameter
The largest in this series. More lip vibrates, so low notes come out fuller, but you work harder to hold the top.

Independent shopping perspective
Silver-plated French horn mouthpiece in Denis Wick's 4 size — 18mm cup, wide 5mm rim, 4.70mm throat. Built for low-part players who need volume.

Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The largest in this series. More lip vibrates, so low notes come out fuller, but you work harder to hold the top.
Detail 02
The widest rim offered here. Spreads pressure over more lip, so endurance improves, but flexibility between registers drops.
Detail 03
The most open throat in the line. Lets more air through for volume and low-end body, at the cost of some resistance to lean on.
Detail 04
A straighter bore section behind the throat. Keeps the sound broad and open rather than tightening it into a narrow core.
Detail 05
Standard plating with a slightly grippier feel than gold. Wears through over years and can bother nickel-sensitive players.
Detail 06
The N versions run narrower — around 3.85 to 3.93mm — for flexibility. This standard rim trades that for endurance.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
The 4 is bigger everywhere: 18mm cup versus 17.50mm, 5mm rim versus 4.95mm, 4.70mm throat versus 4.60mm. More volume and range, but more demanding. The 5 is the beginner choice.
N models use a narrow rim — roughly 3.85 to 3.93mm instead of 4.50 to 5mm. Narrow rims favor flexibility and high-register work; wide rims favor endurance.
Not really. The 4 is built for 2nd and 4th part players who need volume and low-register body. The 5, with its shaped funnel cup, is the beginner size in this series.
The 7 has a standard rim with a solid sound and easier high register. The 7N adds a narrow rim for flexibility. Both suit high playing better than the 4.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.