JK Exclusive 4B Small Shank Trombone Mouthpiece

The 4B features a rim of 40 mm and a cup of 26.5mm

Engineered for Excellence – Played by Professionals

Discover the precision and performance of JK Exclusive Trombone Mouthpieces, trusted by brass musicians across the globe. Handcrafted in Germany with state-of-the-art CNC technology, these mouthpieces offer outstanding consistency, response, and tonal quality.

From orchestral to jazz, from bass to tenor trombone — the JK Exclusive series provides a comprehensive range of models to meet the diverse needs of today’s trombonists.

Key Features:
🎶 German Precision – Meticulously engineered for flawless intonation and projection
🎶 Tailored Fit – Wide selection of rim contours and cup depths for every playing style
🎶 Full, Centered Sound – Designed for a rich core tone and excellent articulation
🎶 Versatile Performance – Ideal for solo, ensemble, and professional settings

Whether you're seeking power, warmth, or flexibility, JK Exclusive Mouthpieces give you the tools to perform at your best — every time.