Introducing D’Addario Reserve Evolution Bb Clarinet Mouthpieces. Designed for the modern clarinetist, Reserve Evolution mouthpieces deliver a warm and refined tone featuring quick response and ease of articulation. This new mouthpiece from D’Addario Woodwinds provides clarinetists with greater flexibility for a wide variety of musical styles.

• Precision milling delivers unparalleled consistency, eliminating the need to try many before purchase.
• Revolutionary ramp and bore taper geometry for a fuller, more centered tone.
• Altered baffle for added projection and articulation nuance.
• Medium-long facing for greater flexibility.
• Expertly designed and made in the USA from foreign materials by a team of top musicians and engineers.
• Offered in two different pitch systems--440Hz, and 442Hz