The Kala Rumbler is one of the most affordable instruments in our distinctive line of award-winning, portable U•Basses. Heavy on low end and light on the pocketbook, the Rumbler was upgraded to include the Shadow® pickup and EQ with built-in tuner.


  • Top: Mahogany
  • Back & Sides: Mahogany
  • Binding: Black
  • Finish: Satin
  • Neck: Mahogany
  • Fingerboard: Laurel
  • Nut: GraphTech TUSQ
  • Saddle: Composite
  • Tuners: Custom Black Die Cast
  • Headstock: Standard
  • Electronics: Shadow U•BASS NFX
  • Includes: Deluxe Padded Bag
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