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Based on price data from 2 merchants for "Sire USA Marcus Miller GB5 4-string Fretless Bass Guitar". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unlock a world of rich, resonant tones with the Sire Marcus Miller GB5 4-string Fretless Bass Guitar. Ideal for musicians seeking an authentic acoustic experience in a streamlined package, this bass delivers the best of both worlds: the warm, full-bodied resonance of a chambered mahogany body and the articulate brightness of a solid spruce top. The Vividx-B electronics and under-saddle piezo pickup ensure that every pluck and slide is captured with stunning clarity, making it perfect for genres ranging from worship to folk.

The GB5’s 3-piece mahogany neck is paired with a rosewood fingerboard featuring Edgeless rolled edges, offering unparalleled playability and comfort. The C-shaped neck profile feels natural in your hand, allowing you to navigate the fretless fingerboard with ease. Whether you're on stage or in the studio, the GB5's seamless design and intuitive controls—master volume, a 3-band EQ, and a phase switch—give you the power to shape your sound effortlessly.

Experience the acoustic world without the hassle of feedback-prone equipment. The GB5’s chrome-plated hardware and bone nut add to its quality craftsmanship, providing the tuning stability and longevity you need for countless performances.

Key Features:

  • Fretless semi-acoustic design
  • Chambered mahogany body with a solid spruce top
  • 3-piece mahogany neck with a C profile
  • Rosewood fingerboard with Edgeless rolled edges
  • Under-saddle piezo pickup
  • Vividx-B Preamp with volume, treble, middle, bass, and phase switch controls
  • Chrome-plated hardware for durability and style

Product specs

Number of Strings 4
Body Shape Marcus Miller GB5
Left-/Right-handed Right-handed
Neck Material 3-piece Mahogany
Neck Shape C
Fingerboard Material Rosewood
Fingerboard Inlay White Dots
Number of Frets Fretless
Scale Length 34"
Case/Gig Bag Sold Separately

FAQs

What kind of tone can I expect from the Sire Marcus Miller GB5 4-string Fretless Bass Guitar?

The Sire Marcus Miller GB5 4-string Fretless Bass Guitar offers a warm, smooth tone with a focus on midrange clarity, making it ideal for jazz, funk, and fusion styles. Its fretless design allows for expressive slides and a mellow sound profile.

Is the Sire Marcus Miller GB5 4-string Fretless Bass Guitar suitable for beginners?

While the Sire Marcus Miller GB5 is designed with quality and versatility in mind, its fretless nature may present a challenge for absolute beginners. However, it is an excellent choice for intermediate players looking to explore fretless bass techniques.

What is the neck profile of the Sire Marcus Miller GB5 4-string Fretless Bass Guitar?

The neck of the Sire Marcus Miller GB5 features a C-shaped profile, providing a comfortable grip for most hand sizes, which is beneficial for both fast playing and smooth transitions.

Does the Sire Marcus Miller GB5 4-string Fretless Bass Guitar come with a gig bag or case?

No, the Sire Marcus Miller GB5 4-string Fretless Bass Guitar does not come with a case or gig bag. These must be purchased separately to ensure protection during transport.

What is the scale length of the Sire Marcus Miller GB5 4-string Fretless Bass Guitar?

The Sire Marcus Miller GB5 4-string Fretless Bass Guitar has a 34" scale length, which is standard for most bass guitars, providing a balanced tension and playability across the strings.

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Sire USA Marcus Miller GB5 4-string Fretless Bass Guitar.

User experience

  • The neck is described as particularly comfortable, with a reactive EQ, offering a pleasant playing experience.

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  • The bass is noted for being lightweight and aesthetically pleasing, making it suitable for longer playing sessions.

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  • An owner received a fretless Z7 with a lacquered rosewood board and plans to switch from standard flats to roundwounds for tonal variation.

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  • Owners appreciate the neck pocket of the V5 for facilitating access to lower frets, enhancing playability for complex jazz pieces.

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Setup and maintenance

  • Labella Black Tapewound strings are highly recommended by an owner for an ideal tonal match with this bass.

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  • A Sire P5 fretless owner reports no significant wear on a lacquered maple fretboard after 8 months of use with roundwound strings.

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Build quality

  • The Sire GB5 fretless models feature lacquered rosewood fingerboards, contrary to common industry practices for rosewood.

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Features and functionality

  • Fretless Sire basses, such as the Z7, often come with high-gloss polished fingerboards, enhancing visual appeal and potentially influencing playability.

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  • Some Sire fretless models, like the V7, are equipped with dark wood fretboards polished to a super shiny, high-gloss finish.

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  • The Sire V5 fretless version lacks block inlays, which some users prefer for an unblemished fretless aesthetic that matches its purpose.

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  • Newer Sire models with roasted maple necks have been praised for their appealing appearance and exceptional playability straight out of the box.

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Comparisons

  • The Sire V5 is perceived as 90% as capable as a Fender American Professional II but at a fraction of the price, making it a more economic choice.

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  • Fender fretless basses often lack the pronounced 'mwah' sound compared to cheaper Ibanez models, suggesting tonal differences that might influence jazz players' preferences.

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Value and pricing

  • Sire V7 fretless is noted to be only $50 more than the V5, making the V7 a more attractive deal for those seeking additional features.

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