The Kala Rumbler U-Bass features a 21" scale length tuned to traditional E-A-D-G bass tuning, with custom engineered electronics and new proprietary strings at an economically friendly price. Other features include die-cast U-Bass tuners, laminate mahogany construction, mahogany neck with rosewood fingerboard & bridge, and padded gig bag. Rumbler U-Basses are available in both fretted and fretless models.

Get more for your money when you purchase a Kala U-Bass BUNDLE from Kraft Music. These exclusive packages include all the accessories you need to practice, play, and perform with your new U-Bass, all for one low price!

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  1. Kala RMBL-FS Rumbler U-BASS BASS ESSENTIALS BUNDLE

    Kala RMBL-FS Rumbler U-BASS BASS ESSENTIALS BUNDLE

    Kala U-BASS BUNDLE including the RMBL-FS Rumbler Series U-BASS, U-Bass Strings, Tuner, Instrument Cable, and Guitar Strap Learn More
    List Price: $483.96

    Our Price: $359.99

    You Save $123.97 (25%)

  2. Kala RMBL-FS Rumbler U-BASS

    Kala RMBL-FS Rumbler U-BASS

    Kala Rumbler Series U-BASS Featuring Laminate Mahogany Back and Sides, Rosewood fingerboard and bridge, and Kala Silver Rumbler Strings. Includes Deluxe U-Bass Embroidered Gig Bag Learn More
    List Price: $419.99

    Our Price: $359.99

    You Save $60.00 (14%)

  3. Kala RMBL-FS Rumbler U-BASS BASS ESSENTIALS BUNDLE PLUS

    Kala RMBL-FS Rumbler U-BASS BASS ESSENTIALS BUNDLE PLUS

    Kala U-BASS BUNDLE including the RMBL-FS Rumbler Series U-BASS, Bass Amplifier, Silver U-Bass Strings, Tuner, Instrument Cable, Guitar Strap, and Wall Hanger Learn More
    List Price: $630.95

    Our Price: $459.99

    You Save $170.96 (27%)

  4. Kala RMBL-FL Rumbler Fretless U-BASS BASS ESSENTIALS BUNDLE

    Kala RMBL-FL Rumbler Fretless U-BASS BASS ESSENTIALS BUNDLE

    Kala U-BASS BUNDLE including the RMBL-FL Rumbler Series Fretless U-BASS, U-Bass Strings, Tuner, Instrument Cable, and Guitar Strap Learn More
    List Price: $483.96

    Our Price: $359.99

    You Save $123.97 (25%)

  5. Kala RMBL-FS Rumbler U-BASS

    Kala RMBL-FL Rumbler Fretless U-BASS

    Kala Rumbler Series Fretless U-BASS Featuring Laminate Mahogany Construction, Rosewood fingerboard and bridge, and Kala Silver Rumbler Strings. Includes Deluxe U-Bass Embroidered Gig Bag Learn More
    List Price: $419.99

    Our Price: $359.99

    You Save $60.00 (14%)

  6. Kala RMBL-FL Rumbler Fretless U-BASS BASS ESSENTIALS BUNDLE PLUS

    Kala RMBL-FL Rumbler Fretless U-BASS BASS ESSENTIALS BUNDLE PLUS

    Kala U-BASS BUNDLE including the RMBL-FL Rumbler Series Fretless U-BASS, Bass Amplifier, Silver U-Bass Strings, Tuner, Instrument Cable, Guitar Strap, and Wall Hanger Learn More
    List Price: $630.95

    Our Price: $459.99

    You Save $170.96 (27%)

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