Experience smooth, expressive basslines with the Kala Solid Body 5-String Sunburst Fretless U•BASS®. Featuring an Okoume body, Maple neck, and a fretless Laurel fingerboard, this compact short-scale bass is loaded with a passive humbucker pickup for thick, meaty tone. Includes custom gig bag.

Step into new sonic territory with the Kala Solid Body 5-String Sunburst Fretless U•BASS® (UBASS-SB5-TB-FL) – the next chapter in Kala’s innovative U•BASS® lineup. Inspired by the original California Series, this fretless, short-scale bass delivers bold, punchy tones in a sleek, portable design. The off-set Okoume body with contoured edges offers perfect balance and comfort, while the fretless Laurel fingerboard invites smooth slides and expressive play. Equipped with a classic passive humbucker pickup, this U•BASS® is built to bring warmth, depth, and growl to every performance.

Customer Reviews

"So smooth and punchy!" ★★★★★
I can finally achieve that upright bass vibe in such a compact package. Super comfy to play and the tone is huge!
– Marcus L.

"Excellent tone, easy to travel with." ★★★★★
The fretless board feels great and sounds even better. Perfect for both home sessions and live gigs.
– Dana W.

"Unique and inspiring bass." ★★★★★
This U•BASS® has completely changed how I approach bass playing – so fun, portable, and expressive.
– Leo S.

Craftsmanship & Design

✅ Premium Tonewoods: Okoume top and body with a Maple neck provide resonance and durability.
✅ Fretless Fingerboard: Laurel fingerboard with a 23.5" scale length offers smooth, expressive play.
✅ Classic Look: Finished in a high-gloss sunburst with a single-ply white pickguard.
✅ Solid Hardware: Black closed-gear tuners, PPS nut, and top-loaded 5-saddle bridge ensure tuning stability and sustain.

Sound & Playability

🎶 Deep, Rich Tone: Powered by a passive humbucker pickup for a warm, thick sound with plenty of growl.
🎶 Fretless Freedom: Allows for smooth slides, subtle vibrato, and a more natural bass feel.
🎶 Compact & Balanced: The contoured, off-set body is designed for ergonomic comfort and easy portability.
🎶 Road-Ready: Comes with a custom Kala Solid Body U•BASS® Gig Bag – perfect for travel, rehearsals, or gigs.

Key Features

• Top: Okoume

• Back & Sides: Okoume

• Neck: Maple

• Fingerboard: Laurel (Fretless)

• Finish: Gloss Sunburst

• Bridge: Top-loaded 5-saddle, black

• Nut: PPS

• Tuners: Closed-gear, black, 1:18 ratio

• Electronics: Passive humbucker pickup

• Pickguard: White, single-ply

• Truss Rod: Spoke wheel

• Strap Buttons: Black x2

• Strings: Kala Round Wound

• Includes: Custom U•BASS® Gig Bag & Truss Rod Adjustment Tool

Measurements

• Scale Length: 23.5 inches

• Overall Instrument Length: 34.5 inches

• Body Length: 15.125 inches

• Number of Frets (markers only): 22

• Upper Bout Width: 8.75 inches

• Lower Bout Width: 10.5 inches

• Waist Width: 7.25 inches

• Body Depth: 1.75 inches

• Fingerboard Width at Nut: 1.75 inches

• Fingerboard Width at Neck/Body Joint: 2.75 inches

From Kala Brand Music Co.

The Solid Body 5-String Sunburst Fretless U•BASS® is the ultimate choice for bass players seeking a compact, expressive instrument with professional sound. Whether you're laying down tracks in the studio, jamming at home, or performing live, this U•BASS® gives you that warm, fretless vibe in a sleek, travel-friendly package.

Why Choose the Solid Body Fretless U•BASS®?
With its smooth playability, bold tone, and portable size, the UBASS-SB5-TB-FL is designed for musicians who want to explore new sonic landscapes. Elevate your playing and experience the versatility of Kala’s renowned U•BASS® series.

🎵 Order now and unlock your sound with the Kala Solid Body 5-String Sunburst Fretless U•BASS®!