HAAG Brass - ContraBass Trombone - BossBone Bell Options:ContraBass Trombone - BossBone the headphones allow the listener

the headphones allow the listener a more pure sound without any unnecessary electronic controls

a trumpet mouthpiece that combines versatility with a brilliant sound profile

An easy to use handle allows for quick mute changes

Compatibility: Ideal for players seeking to preserve the original qualities of their instrument while adding a unique sonic signature

Elevate your musical journey with a piece that speaks volumes

HAAG Brass - ContraBass Trombone - BossBone Bell Options:ContraBass Trombone - BossBone the headphones allow the listenerThe BossBone is equipped with a Bosc valve, a rotary valve with an open passage and only 80 rotation. This valve was developed and invented by Cristian Bosc in 2011 and HAAG Brass was the first company to install this valve in trombones. The HAAG BossBones can be built individually to your needs. Tuning: F C Db or F D BBb Bore: 14. 5mm . 571 Valve : HAAG Rotary Valve Thumb Lever: German or Americanstyle Bell : 270mm 10. 629 Bell: handhammered gold