The Jupiter JSP1100S Quantum Marching Sousaphone features a full brass body and bell with a .687 inch bore and 26 inch bell designed for outstanding response and projection. The JSP1100S also features a removable valve body for easy maintenance. Comes with molded ABS case with wheels.

Features:

Silver-Plated Brass Body is made from the highest quality brass and finished with a bright silver-plate ensuring fine playability and tonal brilliance
Stainless Steel Pistons have remarkably smooth, fast action for improved agility and playability
A Removable Valve Section perfect for allowing full access to areas that would be normally unreachable to a repair technician