Vandoren CM344 B45 Bass Clarinet Mouthpiece Overview

The Vandoren CM344 B45 is an ebonite bass clarinet mouthpiece designed to deliver a clear, centered sound with dependable intonation and quick response. It follows the core design concept of the Vandoren B44 while using a larger tip opening for a more responsive feel and greater flexibility in dynamics and color, making it a common choice for serious bass clarinet work in ensemble and solo settings.

Vandoren CM344 B45 Bass Clarinet Mouthpiece Specifications

• Instrument: Bass Clarinet
• Material: Ebonite (hard rubber)
• Model: B45 (CM344)
• Tip opening: 193 microns
• Facing length: Medium-long
• Beak: Traditional

Condition & Setup

Brand new in original packaging. 

Who the B45 Bass Clarinet Mouthpiece Is For

The B45 is a Vandoren ebonite bass clarinet mouthpiece with a 193-micron tip opening and a medium-long facing that prioritizes response, articulation clarity, and stable intonation. It is designed for advancing students, university players, and professionals who want a mouthpiece that speaks easily across registers while offering enough opening to shape tone and dynamics without feeling resistant.

Compared with the B44, the B45 keeps the same general concept but uses a larger tip opening, which many players experience as a quicker, more responsive blow and a more flexible palette for phrasing. It is well suited to orchestral, wind ensemble, chamber, and doubling situations where consistent pitch and clean attacks matter.

Common Questions About the Vandoren CM344 B45

What is the difference between the Vandoren B44 and B45 for bass clarinet?

The B45 is based on the B44 design but uses a larger tip opening, which typically increases responsiveness and allows more flexibility in volume and tone color, depending on reed strength and embouchure.

What reeds pair well with a Vandoren B45 bass clarinet mouthpiece?

The B45’s 193-micron tip opening is commonly paired with medium to medium-hard reeds, then adjusted to taste for resistance and projection. Many players start with a familiar cut and fine-tune strength to match their instrument and playing demands.

Is the Vandoren CM344 B45 suitable for professional use?

Yes. Vandoren bass clarinet mouthpieces are widely used by professional clarinetists because they are built around stable intonation, clear articulation, and consistent response.