XO Professional Series Bass Trombones are available with both independent and dependent rotor systems to meet the demands of any player. All XO models include interchangeable mouthpipes and precision crafted hand slides.
Body Material: Lacquered Yellow Brass
Bell: 9.5″ Hand-Crafted Rose Brass
Outer Slide: Brass w/ Nickel Crook
Rotary Valves: Independent Dual Thru-Flo
Case: XO Professional Classic-Style Case