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Sire USA Marcus Miller U7 4-string Bass Guitar

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Sire USA Marcus Miller U7 4-string Bass Guitar

$529.00 to $679.00 Price Tier: Standard

All time low price

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Page last updated Jul 05, 2026

Pricing and availability

We compare 600+ stores and found this item at 5 stores. Prices updated June 21, 2026.

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Price

5.0 (1)

$659.00 $599.00 $60.00 · All time low

$659.00

$659.00

$679.00

5.0 (3)

$535.00 $529.00 $6.00 · All time low

View Deal

Average Price: $625

Standard/Professional

$400

$1001+

Price Tier

In the Electric Basses category, Sire USA Marcus Miller U7 4-string Bass Guitar is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

Price History

Based on price data from 5 merchants for "Sire USA Marcus Miller U7 4-string Bass Guitar". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Discover your sound with the Sire Marcus Miller U7 4-string Bass Guitar, crafted to satisfy both the seasoned bassist and the adventurous newcomer. This full-scale electric bass is a modern upgrade from the acclaimed U5, designed to deliver an immersive playing experience. At its core lies a Marcus Miller Super-PJ Revolution pickup set, a powerful duo of humbucker and single coil pickups that provide a wide tonal range, from punchy jazz to deep, resonant bass.

The U7's lightweight carved alder body is not just visually appealing but ergonomically designed for maximum comfort, making it an ideal companion for both studio sessions and live gigs. Paired with a hard maple neck and a rosewood fingerboard featuring Sire’s Edgeless treatment, this bass offers a smooth and responsive playing surface that feels just right under your fingers.

The Marcus Heritage-2 active preamp system further enhances your tonal possibilities, equipped with a 2-band EQ along with volume and balance controls. This ensures you have complete command over your sound, allowing you to effortlessly shift between styles and genres. Whether you’re laying down a solid groove or exploring new sonic territories, the U7 is your ticket to a versatile bass journey.

Key Features:

Full-scale version of the acclaimed U5 bass
Lightweight carved alder body for comfort and reduced weight
Hard maple neck with a Modern-C shape profile
Rosewood fingerboard with Sire’s Edgeless rolled edges
Marcus Miller Super-PJ Revolution pickup set
Marcus Heritage-2 active preamp with 2-band EQ, volume, and balance controls
Retro-inspired Marcus Miller Vintage-S bridge and premium open-gear tuners

Product specs

Number of Strings	4
Left-/Right-handed	Right-handed
Body Shape	Marcus Miller U7
Body Material	Alder
Neck Material	Hard Maple
Neck Shape	C
Neck Joint	5-way Bolt-on
Radius	9.5"
Fingerboard Inlay	Blocks
Number of Frets	22, Medium
Scale Length	34"
Nut Material	Bone
Bridge/Tailpiece	Marcus Miller Vintage-S
Tuners	Premium Open Gear
Neck Pickup	Sire Marcus Super Modern P Split Single-coil
Bridge Pickup	Sire Marcus Super Modern Split J Single-coil
Controls	1 x volume, 1 x blend, 2-band EQ
Case/Gig Bag	Sold Separately

FAQs

What is the neck profile of the Sire Marcus Miller U7 4-string Bass Guitar?: The Sire Marcus Miller U7 4-string Bass Guitar features a C-shaped neck profile, which offers a comfortable grip for most players, making it suitable for various playing styles.
What kind of pickups does the Sire Marcus Miller U7 4-string Bass Guitar have?: This bass guitar is equipped with Sire Marcus Super Modern P Split Single-coil at the neck and Sire Marcus Super Modern Split J Single-coil at the bridge, providing a versatile range of tones suitable for different music genres.
Is the Sire Marcus Miller U7 4-string Bass Guitar suitable for beginners?: Yes, the Sire Marcus Miller U7 4-string Bass Guitar is suitable for beginners due to its comfortable neck profile and versatile tonal options, making it an excellent choice for players starting their bass journey.
What is the body material of the Sire Marcus Miller U7 4-string Bass Guitar?: The body of the Sire Marcus Miller U7 4-string Bass Guitar is made from alder, known for its balanced tone and lightweight properties, which contribute to the guitar's overall playability and sound quality.
Does the Sire Marcus Miller U7 4-string Bass Guitar come with a case or gig bag?: No, the Sire Marcus Miller U7 4-string Bass Guitar does not come with a case or gig bag; these must be purchased separately to protect the instrument during transport.

Reviews

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PROS

Exceptional build quality with stunning craftsmanship
Versatile sound with active/passive modes and P/J pickup configuration
Comfortable, fast neck ideal for extended playing
Lightweight and well-balanced, reducing shoulder strain
Modern, sleek design with satin black finish
Affordable price point for a mid-range instrument
Reliable tuning stability and quality hardware
Thin, easy-to-play body with a narrow neck
Strong, clear sound that cuts through a mix
Attractive caramel-colored maple neck complements the body

CONS

Noticeable volume difference between active and passive modes
Some may find it heavier than expected despite balance

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Sire USA Marcus Miller U7 4-string Bass Guitar.

Setup and maintenance

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The Sire Marcus Miller U7 requires a battery replacement every six months due to its active electronics, crucial for maintaining functionality.
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Some owners report sharp fret ends on new Sire basses, which can be smoothed with sandpaper if necessary.
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Features and functionality

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The Sire U7 features a volume, pickup blend, and a 2-band EQ, offering treble and bass cut/boost for diverse tonal shaping.
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The offset shape of the U7 allows easier access to higher frets when standing, compared to the P7's precision body.
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User experience

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An electrical issue noted during testing was potentially due to a low battery, highlighting the importance of battery maintenance in active basses.
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The square body of the U7 can be uncomfortable on the arm during extended play sessions.
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The P7's precision body is noted to be more comfortable while sitting, especially on a couch.
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Owners of the U series suggest using a longer strap for better balance and access to higher frets.
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The neck on the Sire U7 is described as thin and fast, making it ideal for players who prefer a shallow, slimmer neck profile.
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The bass boost knob on Sire's active preamp is noted to be extremely sensitive, potentially causing an overload of volume and bass with minimal adjustment.
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Comparisons

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The Sire U7's active electronics offer more tone shaping than the passive Yamaha BB434, which is praised for its simplicity and ease of use.
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The U7's simpler control layout is considered easier for beginners compared to the P7, which has more knobs that some find unnecessary.
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Sire basses are often compared to higher-end Fender models, with some owners equating their quality to that of American Fenders.
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Use cases and applications

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Users seek a warm, mellow, rounded tone similar to Fleetwood Mac and The Beatles, which can be achieved with the right strings and technique on the Sire U7.
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Build quality

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Rolled edge necks on Sire basses are praised for comfort, contributing to their perceived high build quality and playability.
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The U7's bone nut and block inlays are noted as premium features typically found on more expensive basses.
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