Bach vs Conn Trumpet Mouthpieces

Bach offers 103 trumpet mouthpieces (made in United States), while Conn has 29 models (made in United States). On average, Bach cups measure 16.21mm versus 16.38mm for Conn. Below we compare both lineups side by side to help you choose the right brand for your playing style.

Bach

Models103
Avg cup16.21mm
Avg throat3.68mm
Common style
CountryUnited States
vs

Conn

Models29
Avg cup16.38mm
Avg throat3.66mm
Common styleLead
CountryUnited States

All models

Frequently asked questions

Which brand makes better trumpet mouthpieces — Bach or Conn?

Neither brand is universally better. Bach has 103 models and Conn has 29. 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 Bach and Conn trumpet mouthpieces compare in size?

Bach averages 16.21mm cup diameter with 3.68mm throat. Conn averages 16.38mm cup diameter with 3.66mm throat.