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Unity B3

Unity Mouthpieces: the latest generation of Monette mouthpieces


Size Comparison: Monette B3 S3 and original B3, conventional 2C


The Unity B3 is great for jazz playing, classical playing, and all-around use. This size is an excellent choice for players who prefer something just slightly larger than the Monette B6 or conventional 3C. With its new cup, backbore, and body, this new design is like a Prana B3 S3 on steroids.


The B3 size has always been a slight anomaly in our sizing system, because it feels just slightly smaller than the B4 sizes.



The Unity B3 is made in the standard-weight Unity body


Plating & Finish:

Unity mouthpieces can be plated in 24k brushed gold or bright silver.

Unity B3

PriceFrom $385.00
  • Monette mouthpieces are made-to-order and usually will not be available as ready-made stock. The standard estimated wait time to have a trumpet mouthpiece made is approximately 6-8 weeks. Unity mouthpieces for Bb and C trumpet are often available within a shorter wait time. Uncommon sizes can involve a longer wait time. The exact wait time is unpredictable, as it is affected by many variables. We cannot guarantee an exact completion date or shipping date in advance. Thank you very much for your patience while you are waiting for your mouthpiece to be made for you.

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