Kala Rumbler Fretted U-Bass

Kala Rumbler U-Bass Acoustic-Electric Ukulele Bass, Fretted with Gig Bag The Kala Rumbler is one of the most affordable instruments in our distinctive line of award-winning, portable UBasses. Heavy on low end and light on the pocketbook, the Rumbler was upgraded to include the Shadow pickup and EQ with built-in tuner.