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Sire Marcus Miller M6 6-string Headless Bass Guitar - Mahogany Satin

6-string Multi-scale Electric Bass with Mahogany Body, Maple/Mahogany Neck, Rosewood Fingerboard, and 2 Humbucking Pickups - Mahogany Satin
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Item ID: MMM66SMAS
Sire Marcus Miller M6 6-string Headless Bass Guitar - Mahogany Satin
Price:$1,059 and 00 cents
Special Financing - Ends Aug 2, 2026. $30/month with 36 month financing*

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We expect more from Sire soon. Order today to reserve yours now, risk-free. Estimated May 2026.

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Sire Marcus Miller M6 6-string Headless Bass Guitar - Mahogany Satin
Backordered - More On The Way! Notify me
Price:$1,059 and 00 cents
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Frequently Asked Questions

Sire Marcus Miller M6 6-string Headless Bass Guitar - Mahogany Satin

Q: What are the advantages of the headless design and multi-scale neck on the Marcus Miller M6?

Q: What kind of tonal versatility does the Marcus Miller M6 offer?

Q: Who is the Marcus Miller M6 6-string Headless Bass designed for?

Q: How does the multi-scale length (33"-35") impact playing the M6?

Q: What materials are used in the construction of the Marcus Miller M6 Headless Bass?

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This article was Written By

Our Product Research Team

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Time-honored Bass Soul with a Modern 6-string Edge

Across myriad studios, styles, sub-genres, and spaces, Marcus Miller’s iconic writing, playing, and production have enriched numerous creative endeavors. Sire’s Marcus Miller M6 marries the namesake tone titan’s transcendent experiences with the modern player’s emphasis on flexible yet focused technicality. The mélange of multi-scale possibilities emerging from this headless haymaker is virtually limitless, with premium tonewoods and galvanizing sonic circuitry complementing a lightweight design and high-speed playability, leaving Sweetwater’s bassists thoroughly impressed by Sire’s headless debut. From its rolled fretboard edges and a 5-piece neck build to the onboard Heritage-3 system and Pure-H Revolution humbuckers, the Sire Marcus Miller M6 6-string Headless bass masterfully weaves Marcus’s ineffable groove with the contemporary need for voltaic versatility.

Engineered for maximum tone and minimum weight

Blending 6-string ergonomics with sonic depth, the Sire Marcus Miller M6 outfits players with a ferocious foundation, spanning a mahogany body, rosewood fingerboard, and 5-piece maple-mahogany neck. As the headless axe’s anchor, mahogany is tonally prized for its prismatic overtones, shimmering harmonics, and expansive dynamic range, remaining reactive and responsive to the nuances of any player’s style. Meanwhile, the maple aspects of the neck introduce a mix of spectrum-spanning heat, smoldering brilliance, and natural note-separating capabilities that keep every string voiced with precision. The rosewood fretboard encapsulates your sound in a crystalline veneer, supplying rich presence that doesn’t get muddy.

High-powered pliability and earth-shattering electronics

To handle the demands of its namesake, Sire equipped the Marcus Miller M6 Headless with its own Marcus Pure-H Revolution humbucker set. With their robust, full-bodied sound, these pickups handle everything from forceful low-end punch to funky slaps and pops with ease. When paired with the Marcus Miller Heritage-3 preamp, your tonal possibilities become virtually limitless. You get complete coverage across all genres by simply turning the knobs to dial in your desired tone, something Sweetwater bassists thoroughly appreciate when juggling multiple projects. Another exceptional feature is the Marcus Miller M6's onboard toggleswitches — one to go from active to passive modes on the fly, and another pair for switching between series, split, and parallel modes — a sweet cherry on the top of this impressive set of electronics.

Sire Marcus Miller M6 6-string Headless Features:

  • Sire’s debut headless 6-string bass designed for balanced, lightweight, and ergonomic performances
  • Mahogany body tethers your tones to blossoming harmonics, robust overtones, and reactive high-headroom playing
  • 5-piece maple and mahogany neck introduces fantastic note-separating voicing and smoldering full-spectrum brilliance
  • Rosewood fingerboard imbues your tones with a shimmering crystalline veneer and plenty of presence
  • 2 Marcus Pure-H Revolution humbuckers paired with Heritage-3 preamp deliver the full spectrum of bass tone
  • Onboard toggles for switching from passive to active modes, as well as series, split, and parallel pickup configurations
  • Rolled fingerboard edges and C-shaped neck maximize control, comfort, and accessibility across the 33–35-in. multi-scale design and 16-in. fretboard radius

Why Buy Your Guitar from Sweetwater?

See how Sweetwater goes to great lengths to give you the very best online guitar buying experience. From our online Guitar Gallery that allows you to see and select the exact instrument you want to our 55-point Inspection process and our in-house guitar techs, we take the guesswork out of buying your next guitar online.

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Tech Specs

  • Number of Strings: 6
  • Left-/Right-handed: Right-handed
  • Body Shape: M6 Headless-6
  • Body Material: Mahogany
  • Color: Mahogany
  • Body Finish: Satin
  • Neck Material: 5-piece Hard Maple/Mahogany
  • Neck Shape: C
  • Neck Joint: 5-way Bolt-on
  • Radius: 16"
  • Fingerboard Material: Rosewood
  • Fingerboard Inlay: Blocks
  • Number of Frets: 24, Medium Jumbo, Stainless Steel
  • Scale Length: 33"-35"
  • Scale Length Type: Multi-scale
  • Nut Width: 2.179"
  • Nut Material: GraphTech Tusq XL
  • Bridge/Tailpiece: Sire Headless Individual Bass Bridge
  • Tuners: Bridge tuners
  • Neck Pickup: Sire Marcus Pure-H Revolution Humbucker
  • Bridge Pickup: Sire Marcus Pure-H Revolution Humbucker
  • Controls: 1 x stacked Volume/Tone, 1 x blender, 1 x treble, 1 x bass, 1 x stack mid/freq
  • Manufacturer Part Number: 00810187570025

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Reviews

Six String Wow!
I was impressed by this bass. I had held off for a while because I wasn't sure how I would feel playing with six strings. I had come across a six string bass a while back that I was able to play. I thought for me personally playing with six strings would be a bit of a learning curve. However the transition from 5 to 6 was pretty easy for me. The bass overall the way it's constructed and the way it looks, feels and sounds is very much more than I expected. I thought the electronics would be daunting but it was definitely easier to navigate than I expected. The passive settings on the bass were quite nice. The active settings were very impressive with lots of bandwidth for different types of bass sounds for different genres of music.
The other thing that makes this a great instrument is the design. The basses weight and balance makes playing over longer periods more enjoyable.
Sire M6
Right out of the box the feel of the bass was very solid. It took me a bit to figure out the electronics on the bass but after playing it for a while I am absolutely loving the tone this bass has. It's an amazingly versatile and comfortable bass to play. The weight of the bass makes it easy to play long gigs and rehearsals.
Music background: Bassist and percussionist