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Includes 3 months of full access to ArtMaster.com

Includes 3 months of full access to ArtMaster.com – your online platform for bass education and modern musicianship.

When you purchase this bass guitar product, you receive a free 3-month voucher worth EUR 59, valid from 02.12.2025 through 28.02.2026, giving you access to all Artmaster courses including the essential bass course designed to strengthen your groove, timing, technique and musical creativity.

ArtMaster.com – learn directly from renowned bass educator Marek Bero, known for his holistic approach to bass playing, rhythmic mastery and practical exercises that help every bassist grow — from beginners to advanced players. Explore structured lessons, play-along tracks, technique workouts and musical concepts that will take your bass playing to the next level.

Electric Bass

  • Fretless
  • Top, bottom and sides: Maple
  • Set-in laminated neck: Maple with ekanga veneer stringers
  • Fingerboard: Tigerstripe ebony
  • Fingerboard radius: 20"
  • Scale length: 32" (medium scale)
  • Nut width: 38.5 mm
  • Pickups: 2 passive MEC Vintage single coils
  • 3-way pickup selector switch
  • Passive electronics
  • Controls for volume (neck) / volume (bridge) and tone (neck) / tone (bridge)
  • Warwick machine heads
  • Just-a-Nut III tedur nut
  • Warwick bridge and tailpiece
  • String spacing: 19 mm
  • Warwick security locks
  • Chrome hardware
  • Factory stringing: Warwick RED (42200 M) .045–.135
  • Weight: Approx. 3.8 kg
  • Colour: Solid Black High Polish
  • Includes Rockbag Student Line Plus RB 20521 B/PLUS gigbag and hex key
Note Register your purchase at shop.warwick.de/en/warranty-registration for an extended warranty of 4 years.
  • Available since September 2020
  • Item number 502134
  • Sales Unit 1 piece(s)
  • Lefthand Model No
  • Colour Black
  • Number of strings 4
  • Body Maple, Maple Top
  • Neck Maple, Ekanga
  • Fingerboard Ebony
  • Scale Mediumscale
  • Pickup System SS
  • Electronics Passive
  • Including Case No
  • Incl. Gigbag Yes
12.990 kr
All prices incl. VAT
In stock within 10-13 weeks
1

Elegant semihollow fretless bass

Warwick RB Star Bass 4 FL BK, semihollow fretless bass

The Warwick RB Star Bass 4 FL BK combines the classic charm of a semihollow sound with the expressive possibilities of a fretless fingerboard. Its maple body, paired with a laminated maple neck and ekanga veneer stripes, yields an open, resonant response, while the tigerstripe ebony fingerboard gives agile bassists the ability to bring out every expressive nuance of their music. Equipped with two passive MEC Vintage single coils and fully passive electronics, the Star Bass delivers a natural, dynamic core sound ranging from warm retro lines to defined modern grooves. The timeless Solid Black High Polish finish only emphasizes its elegant appearance. Despite its semi-hollow construction, the fretless Star Bass 4 is pleasantly balanced – weighing in at approximately 3.8 kg – making it eminently suitable for stage use.

Warwick RB Star Bass 4 FL BK, semihollow fretless bass, detail

Character and control

The two passive MEC Vintage single coils form the musical heart of the Star Bass 4 FL; the pickups deliver a detailed response with an organic character. A three-way toggle switch allows experienced bassist to choose between neck, bridge, or combined pickup sounds, while a pair each of volume and tone controls provide control over dynamics and timbre. The medium-scale length of 32" in combination with the flat 20" radius of the ebony fingerboard enables smooth slides, clean intonation, and fluid transitions between positions. The two-piece Warwick bridge allows players of all kinds to easily adjust their string action, while the Just-A-Nut III nut and robust Warwick tuners ensure reliable tuning stability. Security locks and the RockBag Student Line Plus mean bassists can get fretless on stage without further ado.

Warwick RB Star Bass 4 FL BK, semihollow fretless bass, rear view

For bassists with a sense of style

The Warwick RB Star Bass 4 FL is ideal for bassists looking to combine the unmistakable character of a semihollow instrument with the smooth playability of a fretless four-string. Its open, woody core tone and straightforward pickup configuration will appeal to players who value organic sound, dynamic phrasing, and expressive nuance – all without sacrificing ease of use. For both seasoned fretless players in search of a stylish second instrument or tone chasers deliberately pursuing a distinctive voice that goes beyond what traditional solidbody basses are capable of, the Star Bass 4 FL delivers the goods. With its passive electronics, balanced weight profile, and ergonomic handling, it's bound to prove a versatile companion wherever the music takes it – and all this with Warwick's familiar quality workmanship and at a price point that's refreshingly fair.

Warwick RB Star Bass 4 FL BK, semihollow fretless bass, headstock

About Warwick

Based in Markneukirchen, Saxony, Warwick, initially a manufacturer of premium basses, is known today for providing a wide range of music equipment in all sectors of the industry. The product range extends from bass guitars, bass amplifiers and cabinets (in all price brackets), bass strings and accessories, to effects units. In addition to this core business, the Warwick Distribution sales company offers almost everything that bass players, whether of four, six or even more string instruments, could require. Among them are the instruments of the Framus brand, which are remarkable for their consistently high quality. In addition to its headquarters in Markneukirchen, Warwick also has locations in Nashville and Shanghai.

There's a Star Bass waiting to be heard

With its signature semihollow sound and duo of passive MEC single coils, the Warwick RB Star Bass 4 is a fine choice for a wide range of musical applications. Whether it’s warm, vocal basslines in Jazz, Soul, and Fusion, or subtle grooves in Pop, Indie, and singer-songwriter arrangements – the Star Bass 4 brings a distinctive voice to the mix, one that offers something quite unlike traditional solidbody basses. As a classical fretless bass, it's perfect for expressive solos, glides, and vibrato, while the three-way switch allows musicians to quickly toggle between their favoured pickup combinations. Whether it's paired with pedals and amps, or plugged straight into a recording interface, this is an instrument that will integrate seamlessly into almost any setup, with its balanced weight profile making it a pleasure to play for hours at a time. The Star Bass 4 ships with a gigbag, Warwick RED strings, and factory-installed Warwick security locks.

Warwick gigbag for bass guitar

1 Customer ratings

5 / 5

features

sound

quality

1 Review

G
I'm in love with this bass
GrooveMaker 22.03.2023
When this bass arrived I couldn't stop myself from smiling the rest of the day and I still do every time I pick it up.

To start off, The finish and body work are flawless. No sharp edges to be found anywhere on the body or neck. Warwick (or thomann, I'm not sure who did it) already set it up perfectly, so there was nothing to do there. I did notice that the pickups can't go much lower, which is fine for me, after hearing and playing it. I'm happy to leave it as it is, but it's worth mentioning.
It barely required tuning but i find the angled tuning pegs brilliant. It's nothing vital, but being able to reach your tuning pegs this comfortably feels good and it makes me wonder why Warwick is the only one doing this. Perhaps a patent thing?

this bass Being a hollow-body, I just had to play it acoustically first before anything else and I was not disappointed. The hollow body resonates the notes beautifully with a very nice sustain ok. time to plug it in.

Long story short, It still sounds gorgeous. The sustain is still there, which only adds to the richness of the sound,
When playing close to the neck, you get that beautifully warm fretless sound i was looking for. When playing closer to the bridge you get that more punchier "jaco" sound.
Unlike the Lee Sklar fretted signature version of this bass, it does have a functional pickup switch and I find that's really all I need when I need a change in tones.

So, is there nothing bad to say about this bass? Nope, not for me. There are a few things people may have issues with though:
- the location of the strap lock. It's located behind the neck, instead of on top of the body as with most basses. It forces you to play in a certain upright-ish position, which suits playing this bass perfectly. It's similar to what hohner does on their violin bass.
- the frequency range of the tone knobs is fairly limited. the first 50% doesn't make much difference, but it increases the higher you go. I find setting them to about 70-75% gets the best sound combined with the pickup switch.
- The signal connector remain rather stiff, making it unusually hard to plug/unplug your connector, regardless of what I do (add graphite to your jack plug for example has produced no change after 3 months) or how often i plug in/unplug. no biggy, but you have to be a bit more aware than with other instruments when plugging and unplugging. Perhaps it'll wear down over time.
- The last, and probably most important "downside" i have to mention is that it's a major issue getting a case for this instrument from thomann. The problem is that the body is 5 cm wider than most regular basses, so it won't fit in any regular case thomann has to offer. The only case it will fit in, according to Thomann is item no 263559, which was out of stock when I asked thomann about it. Of course, Warwick sells cases that do fit, but they are rather expensive if you need them shipped. Luckily the bass comes with a nice sturdy gigbag, which does the job for now until I can get to Warwick to pick up a case. No disrespect to thomann, but I prefer a square case instead of an "accoustic-looking" case.
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