• Same sound characteristics as B44 with a larger tip opening which makes it very responsive
• Tip Opening - 193 (1/100mm)
• Medium Long Facing
• Works best with Vandoren #2.5-#3.5 Reeds

The Vandoren B Series Bass Clarinet Mouthpieces are indisputably the best bass clarinet mouthpieces out there. Replicating the B44, the B45 is the same mouthpiece except it has a larger tip opening and is very responsive.