Conn vs Kelly French Horn Mouthpieces

Conn offers 10 french horn mouthpieces (made in United States), while Kelly has 5 models (made in United States). Below we compare both lineups side by side to help you choose the right brand for your playing style.

Conn

Models10
Avg cup
Avg throat
Common styleOrchestral
CountryUnited States
vs

Kelly

Models5
Avg cup17.17mm
Avg throat3.88mm
Common styleGeneral
CountryUnited States

All models

Frequently asked questions

Which brand makes better french horn mouthpieces — Conn or Kelly?

Neither brand is universally better. Conn has 10 models and Kelly has 5. The best choice depends on your playing style, preferred cup depth, and tonal goals. Compare specific models head-to-head to find the right fit.

How do Conn and Kelly french horn mouthpieces compare in size?

Conn averages N/Amm cup diameter with N/Amm throat. Kelly averages 17.17mm cup diameter with 3.88mm throat.