New CarolBrass C Key - Bb Key Interchangable Pocket Trumpet
We are glad to share that the new C/Bb key pocket trumpet CPT-4000-YLS-C/Bb-L is back in stock in this month.
What is this model?
The model number is CPT-4000-YLS-C/Bb-L under C Key pocket trumpet category.
For more information about this model, please visit the
product page
Who designs this model?
The original idea of this model is from Mathieu François, a passionate player in Europe.
Why design this model?
Because we want to let player to turn the key from C into Bb, so player is able to play two keys on one instrument.
How does it work?
This model comes a set of Bb key kit, player can change the key by install the Bb key kit.
See this video for more information:
When does it start?
This model was developped in summer 2025. We started the distribution in fall 2025. The second batch is back in stock this month January 2026.
Where can I find available?
You can order this model through our
dealer network.
The 2026 MSRP is lacquer USD 971.00