Sire Marcus Miller M6 Headless 5-String Bass Guitar Mahogany
The Sire Marcus Miller M6 headless 5-string bass with contemporary design & versatility. Featuring 5pc Maple/Mahogany neck, preamp with tone control, & active/passive modes.
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0% Interest
Payment Plan
Don’t sell your soul to a creditor to get the gear you need. At AMS, we want to lower the barriers to create. That’s why we offer in-house 0% financing, and you don’t even have to open a new line of credit! Spread out payments on your credit card to simplify financing and avoid hefty late fees or service charges. Cost shouldn’t interfere with your creativity.
Sire Marcus Miller M6 Headless 5-String Bass Guitar
The M6 Headless is Sire's boldest bass yet — and yes, we mean that both literally and figuratively. Stripped of its headstock but none of its personality, this 5-string bass packs serious tonal firepower into a lightweight, ergonomically refined package that your back will genuinely thank you for.
Built on the legendary foundation of the Marcus Miller series, the M6 Headless brings headless bass design into the modern era without sacrificing the playability, versatility, or signature Sire quality that players have come to rely on. It ships with DR Dragon Skin+ premium strings and an official Sire gig bag, because arriving prepared is half the battle.
Lightweight Build, Maximum Balance
Neck-dive is the uninvited guest at every gig — the M6 Headless shows it the door. The headless design dramatically shifts the instrument's center of gravity, keeping everything balanced right where your body meets the bass. Weighing in well under 8 lbs, this is a bass you can play through a full set without your shoulder filing a formal complaint.
Mahogany Body with Sandblasted Finish: The natural wood grain top with a sandblasted finish gives the M6 Headless a contemporary, visually striking aesthetic that looks as refined as it plays — standing out on stage for the right reasons.
5-Piece Hard Maple/Mahogany Neck: The bolt-on, headless neck construction combines tonal warmth with the structural rigidity needed for precise intonation and long-term tuning stability, no matter the venue or climate.
Rosewood Edgeless Fretboard with 24 Frets: The smooth, edge-free fretboard profile makes shifting up and down the neck feel effortless, giving players full access across all 24 frets without any of the usual hand fatigue that comes with extended sessions.
Tonal Versatility That Actually Delivers
Some basses have one great sound and hope you don't need anything else. The M6 Headless has other plans. Between its Marcus Pure-H Revolution pickup set and the Marcus Heritage-3 Preamp, this bass covers pop, rock, metal, blues, jazz, and every genre in between without breaking a sweat.
Marcus Pure-H Revolution Pickup Set: These pickups deliver a rich, articulate signal with excellent note definition across all five strings — tight lows, present mids, and crisp highs that cut through a mix without turning into noise.
Marcus Heritage-3 Preamp with Mid Frequency Control: A fully equipped 3-band preamp with volume/tone, blender, treble, bass, and middle frequency controls gives you surgical tonal precision on the fly — no sound engineer required (though they'll appreciate the effort).
Active/Passive Mini-Toggle Switching: Flip between active and passive operation with the onboard mini-toggles, expanding your pickup mode options and ensuring you're never more than one switch away from the sound you need.
Built for the Modern Player
The M6 Headless isn't just a bass — it's a statement about where bass design is heading. The unique control layout, expanded string options, and headless architecture all point to an instrument built specifically for players who want more from their gear without carrying more to the gig.
Available in 4, 5, and 6-String Variants: Whether you're a four-string purist dipping a toe into extended range or a seasoned six-string player, there's an M6 Headless configured exactly for how you play.
Unique Expanded Control Knob Layout: The thoughtfully spread-out control configuration keeps every tonal parameter accessible mid-performance, so you're adjusting sounds, not hunting for knobs while the drummer gives you the look.
Includes DR Dragon Skin+ Strings & Sire Gig Bag: Straight out of the box, the M6 Headless comes strung with premium DR Dragon Skin+ bass strings and packed in an official Sire gig bag.
The M6 Headless Makes Its Case
The Sire Marcus Miller M6 Headless 5-String Bass Guitar is what happens when thoughtful engineering meets professional-grade tone in a package that refuses to weigh you down — physically or sonically. Its headless design, Heritage-3 preamp, and Pure-H Revolution pickups combine to create a genuinely versatile, stage-ready instrument that punches well above its price point. For bass players who want balance, tone, and a bass worth talking about, the M6 Headless delivers on all fronts.
Sire Marcus Miller M6 Headless 5-String Features:
Lightweight Mahogany body with natural wood grain top and sandblasted finish
Bolt-on, headless neck design for superior balance and reduced neck-dive
5-Piece Hard Maple/Mahogany neck construction
Rosewood Edgeless fretboard with 24 frets
Marcus Pure-H Revolution Pickup set
Marcus Heritage-3 3-Band Preamp with Middle Frequency Control
Volume/tone, blender, treble, bass, and mid frequency controls
Mini-toggles for active/passive operation and pickup mode selection
Available in 4, 5, and 6-string variants
Includes DR Dragon Skin+ premium bass strings and official Sire gig bag
The M6 Headless is Sire's first headless bass model, introducing a contemporary body design focused on reduced weight, improved balance, and a sandblasted finish aesthetic. It also features the expanded Marcus Heritage-3 preamp with a dedicated Mid Frequency Control not found on all previous Sire models.
While its professional-grade features are built with experienced players in mind, the M6 Headless's lightweight body, comfortable neck profile, and easy-to-navigate controls make it very approachable for developing players too. It's a bass you won't outgrow.
No. It comes pre-strung with DR Dragon Skin+ premium bass strings, but any standard ball-end bass strings in the appropriate gauge will work fine for replacement. The headless bridge system is compatible with most widely available 5-string bass string sets.
Based on 4-string samples, the M6 Headless weighs between approximately 6 lbs 12 oz and 7 lbs 10 oz, with the 5-string variant expected to weigh under 8 lbs. It's notably lighter than most traditional bass guitars of comparable build quality.
Thanks to its versatile Heritage-3 preamp and Pure-H Revolution pickups, the M6 Headless is well-suited for a wide range of genres including pop, rock, metal, blues, jazz, and funk. The active/passive switching gives it enough tonal range to cover almost any playing style with ease.
