Kala Ukuleles - Rumbler U-Bass


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This Kala Rumbler U-Bass packs a huge bass wallop, but in a compact, uke-sized instrument that's really, really fun to play. The 21" scale is super comfortable, especially for guitar players who may get a bit overwhelmed with the reach required on a standard scale bass. With its extra thick, proprietary polyurethane strings, it tunes up just like a regular bass (E-A-D-G) but in a package that's no bigger than a baritone uke.

Plugged in is really where the U-Bass shines. Thick, rich, and warm, and with volume that can fill any room, compliments of the on-board Kala piezo pickup and EQ system. The tone has an almost stand-up sound to it, but it can easily throw down on some rock, or whatever else you need it to do. Perfect for studios, dabblers, and serious bassists alike, this Kala Rumbler U-Bass packs a tremendous punch, all while meeting most airlines' carry-on requirements. Includes padded gig bag.

  • Top: Mahogany laminate
  • Back and Sides: Mahogany laminate
  • Scale Length: 21"
  • Neck: Mahogany
  • Frets: 16
  • Nut Width: 1 13/16"
  • Fingerboard: Rosewood
  • Electronics: Kala Piezo pickup and EQ w/built-in tuner
  • Bridge: Rosewood
  • Tuners: Die-cast U-Bass tuners
  • Case: Padded gig bag included

Kala Rumbler U-Bass Ukulele - full
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Kala Rumbler U-Bass Ukulele - full Kala Rumbler U-Bass Ukulele - angle Kala Rumbler U-Bass Ukulele - soundhole Kala Rumbler U-Bass Ukulele - bridge Kala Rumbler U-Bass Ukulele - input Kala Rumbler U-Bass Ukulele - back Kala Rumbler U-Bass Ukulele - head Kala Rumbler U-Bass Ukulele - tuners Kala Rumbler U-Bass Ukulele - preamp

Appearance of new instruments may vary slightly unless Serial Number is listed

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We take the time to set up every new guitar, mando, bass, uke, or banjo for every player, whether it was purchased here in Lawrence, Kansas or on our website. Large retailers are content to ship you a guitar right off of the warehouse shelf, while we take pride in the fact that your new instrument will be set up to be truly ready to play - for you.

Call us at 800-747-9980 or send us an email at info@massstreetmusic.com - we're here to help! All of us at Mass Street Music are musicians, and we're dedicated to helping you find exactly what you're looking for. You can also check out our Staff Page if you'd like to email one of us directly.

Any new or used gear $25 or over gets shipped to you for FREE via our favorite carrier, Fed Ex – ground, to all 'lower 48' U.S. states and we offer a 7 day return policy. Alaska and Hawaii, expedited shipping, international shipping are more. We also ship around the globe. Read more about our Shippping.