1000 Series JSP1000S Sousaphone

JSP1000S (Previous 596S)
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Overview Specs


The Jupiter JSP1000S Fiberglass Sousaphone is one of the more sturdy marching instruments currently on the market. The JSP1000S features a durable white fiberglass body with a 26-inch bell for great projection plus an easily removable valve and slide body for easy maintenance.


  • Silver-Plated Brass Bell 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
  • Removable Valve Sections allows for easier, more economical maintenance and repairs


  • Key of BBb
  • Fiberglass Body
  • 26" Bell
  • Stainless Steel Pistons
  • .687" Bore
  • Removable Brass Front Action Valve Section
  • Silver-Plated Valve Section
  • With Hard-Shell Case with Wheels (JSP1000S) or Nylon Carrying Bag (JSP1000SB)