Precision-crafted on advanced CNC equipment, the 19 Synthetic features a 1.98 mm tip opening and a 26 mm facing. The synthetic construction provides outstanding resistance to humidity and temperature changes, making it ideal for orchestral players and touring musicians.

The Boehm geometry maintains the easy, open response that the Gleichweit-19 series is known for – delivering smooth articulation, reliable intonation, and a warm, rounded bass tone.

For players who want the 19’s natural playing feel with the practical advantages of modern synthetic material, the Synthetic version is the clear choice.

Precision-crafted on advanced CNC machinery, the 22-3 Synthetic features a 2.21 mm tip opening and a long 31 mm facing. The synthetic material ensures exceptional dimensional stability across temperature and humidity changes – making it a reliable choice for regular ensemble and touring use.

The 31 mm facing provides excellent phrase-shaping flexibility and a wide dynamic range, positioning this model as an ideal intermediate-to-professional bass clarinet mouthpiece.

For players who want the tonal character and performance of the 22-3 without worrying about hard rubber degradation or humidity sensitivity, this is the definitive version.

Precision-machined from high-grade synthetic material, the Stephan Synthetic retains the wide 2.32 mm tip opening and 26 mm facing of the hard rubber original. The synthetic construction delivers outstanding dimensional stability – ideal for players who perform across varying climates and humidity conditions.

The built-in O-ring system ensures a secure, airtight fit while protecting the instrument tenon.

The Stephan Synthetic matches the original in expressive range and tonal character while offering the added benefits of low maintenance and long-term dimensional consistency. A top-tier choice for touring and professional players.

Machined on advanced CNC equipment from high-grade synthetic material, every Gleichweit mouthpiece delivers exceptional consistency in intonation, tonal character, and response. B-Stock pieces pass the same quality controls as full-price models – the only difference is a small cosmetic blemish or scratch on the body.

The built-in O-ring system ensures a secure, airtight fit while protecting the instrument tenon.

Available in seven models spanning closed to open tip openings – from the focused, quick-responding BW 5-1 through to the broad, expressive BW 8-4.

Machined from high-quality ebonite, the B2 provides a stable, airtight connection between mouthpiece and instrument. The result is a more focused tone, improved intonation consistency across the full range, and better projection — qualities that become immediately noticeable in ensemble and solo playing.

Available in black and black-brown finishes, the B2 combines refined craftsmanship with practical versatility. Each size step corresponds to a measurable change in pitch and resonance, allowing you to dial in your setup with precision.