Launched in 1985, the Warwick Thumb Bass quickly gained popularity across genres thanks to its smart, player-focused design. The Pro Series Thumb Bass BO continues that legacy as a leader among boutique-style electric basses. From the sleek curves of its compact, comfortable ovangkol body to the fast “Câ€-profile bolt-on neck and precise fretwork, the Thumb Bass BO 5-string delivers a superb playing experience whether you’re plucking, picking, or slapping. Its active MEC pickups and 2-band EQ/preamp provide a powerful, versatile tone that can be shaped to fit any musical style. Expertly crafted in Germany by master luthiers, the Warwick Thumb Bass 5 is a true high-performance instrument built to inspire your playing.

Warwick Pro Series Thumb BO 5-string Bass Features:

• Sleek, compact solid ovangkol body
• Bolt-on ovangkol neck with wenge fingerboard
• Precision fretwork, leveled to a 100th of a millimeter
• Invisible Fretwork Technology (IFT) prevents fret ends from protruding
• Fluorescent side dots are easy to see on darkened stages
• 2 active MEC J-style stacked-coil pickups
• Bypassable MEC 2-band EQ/preamp
• Volume (push-pull for preamp bypass), Balance, and Bass/Treble controls
• Tedur Just A Nut III nut
• Ergonomically angled tuner keys
• Handcrafted in Germany
• Includes Starline gig bag

Take Your Playing to the Next Level

The Thumb Bass incorporates several Warwick innovations designed to enhance your playing in every style. Its feel and responsiveness make it ideal for 2-, 3-, or 4-finger plucking, slap-and-pop, flatpicking, old-school thumb-style, or any mix of techniques you prefer. Fast, accurate note selection is supported by Warwick’s precision fretwork — the frets are leveled to within a hundredth of a millimeter!

Each fret also benefits from Warwick’s proprietary Invisible Fretwork Technology (IFT), which prevents fret ends from protruding along the edge of the smooth wenge fingerboard, ensuring a comfortable and seamless playing experience. On darker stages, you’ll always stay oriented thanks to glow-in-the-dark fluorescent side dots. Add in thoughtful touches like ergonomically angled tuners and the Tedur Just A Nut III adjustable nut, and you have a professional-grade instrument built for performance and longevity.

Formidable MEC Active Electronics

A proper German-made bass deserves top-tier German electronics. The Thumb Bass features active J-style pickups and preamplification by MEC, delivering massive tone with a clean, noise-free signal — even over long cable runs. The stacked-coil humbucking design provides the punch and clarity players love in the classic “J†form factor.

The bypassable preamp includes a 2-band EQ, giving you quick and precise tonal control for any playing situation. The control layout includes a push-pull Volume knob for preamp bypass, a Bass/Treble EQ, and a Balance pan pot for blending the two pickups to perfection.

Warwick: High-Performance Basses for All Players

In the 1970s and ’80s, the emergence of high-performance boutique basses gave serious musicians instruments worthy of their evolving techniques. Among the pioneers was Hans-Peter Wilfer, who founded Warwick in 1982 at just 24 years old. Three years later, he introduced the Thumb Bass, an instrument that would go on to redefine modern bass design.

Precision crafted in Germany, the Thumb Bass was built to accommodate every playing style, with special attention to the growing popularity of slap-and-pop techniques. Decades later, Warwick continues to innovate, producing world-class instruments with sustainability in mind — proudly operating as the first carbon-neutral company in the music industry.

From emerging players to seasoned pros, Warwick basses remain synonymous with craftsmanship, innovation, and performance.

• Warwick Teambuilt Pro Series Thumb BO
• 5-string electric bass
• 34" long scale
• Bolt-on construction
• Ovangkol body
• Ovangkol neck
• Wenge fingerboard
• 26" radius
• Just a Nut III Tedur
• Nut width 45 mm / 1.8"
• 24 Jumbo extra hard Brass frets (width: 2.9 mm/ height: 1.3 mm)
• Active MEC J/J pickups
• Active MEC 2-band electronics
• Controls for Volume, Balance, Bass / Treble stacked
• Warwick machine heads
• String spacing 16.5 mm / 0.65"
• Distance B to G string 66 mm / 2.6"
• Warwick security locks
• 2-piece Warwick bridge
• Chrome hardware
• Warwick Black Label Strings 045"-135" (40301 M)
• Approx. weight 4.3 kg / 9.5 lbs
• Incl. Warwick Pro Series User Kit (RB PROD WGPS TOOL CO)
• Incl. Starline RockBag (RB 20505 STARLINE)
• Made in Germany
• Note on Wood Grain:
  Every piece of wood has its own personality, so no two guitars look exactly alike. The grain, color, or figuring on your instrument might differ a bit from the photos—but that’s part of what makes it one-of-a-kind!

" Please note: This item is a special-order product and is ordered specifically for you. As such, order cancellations and returns are not permitted once the order has been placed. In the unlikely event of a manufacturing defect, the item is fully covered under the manufacturer's warranty."