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Medium bore trombone. For well developed embouchures that need a large cup on small bore trombone.

The most powerful mouthpiece ever designed for small-bore trombones. Gives 0.5” bore instruments a sound which is almost the large bore equivalent.

Wick Trombone 4BS mouthpiece Silver

Out of Stock
  • Diameter: 39.44 mm
    Cup Diameter: 25.90 mm
    Rim Width: 6.77 mm
    Bore Size: 7.13 mm
    Back Bore: Medium
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