Sire Marcus Miller Z7-4 Skyburst Sparkle

A Showcase of the Z Series: 70's Spirit, Premium Finishes, and Modern Design

The Z7-4 stands as a flagship model of the Z series, featuring a silhouette that is both elegant and muscular, inspired by the great electric basses of the 70's era, while adopting a decidedly modern approach in terms of ergonomics and electronics. The Skyburst Sparkle finish reinforces this premium identity: a bass that catches the light and immediately asserts its presence, both in the studio and on stage.

Who Is This 4-String Bass For?

This electric bass is primarily aimed at intermediate to advanced bassists who want a versatile, reliable instrument that is quick to set up in real-world situations. It is also suitable for a demanding beginner looking for a "definitive" bass to progress with over a long time. Its J + MM pickup duo and active EQ make it a natural ally for funk and slap, but also for pop, rock, soul, R&B, gospel, and fusion, with an instant transition between warmth, bite, and definition.

The Sound

The J neck pickup favors warmth and articulation: perfect for laying down a groove, maintaining detail in the mix, and achieving clear attacks without harshness. At the bridge, the MM humbucker delivers firm lows, punchy mids, and bright highs, with naturally low noise levels. The active Marcus Heritage-3 preamp extends the dynamic range with deeper bass and brighter treble, while the Middle/Freq control allows precise selection of the midrange frequency to boost or cut, enabling a shift from a dense, warm sound to a sharper attack. The alder + maple combination promotes a fast response, clear projection, and solid sustain, supported by the Sire Premium MM bridge and four-bolt neck joint.

Recommended Compatible Accessories

To get the best out of it, choose a set of 4-string long scale 34" bass strings (original gauge 45-105), a comfortable strap, and a high-quality 6.35 mm instrument jack cable, especially useful for preserving the precision and dynamics of active electronics.

Technical specifications

Electronics: microphone configuration	SH	Body	Alder
Left handed	No	Bridge / tailpiece	Fixed
Strings	Steel	Electronics	Active
Nbr of strings	4	Color	Gradient
Fingerboard	Maple	Finishing	Glossy
Nbrs of frets	22	Hardware	Chromed

Body wood	Alder	Nut	Bone 42 mm / 1.65"
Body shape	Sire Z-Bass	Inlays	Black dots
Finish	Skyburst Sparkle	Tuners	Premium Open-Gear
Pickguard	3-ply black	Knobs	Aluminum
Bridge	Sire Premium MM	Pickups	Sire Premium J + MM Pickup Set
Neck	Maple, C profile	Preamp	Marcus Heritage-3 with midrange frequency control
Joint	Four-screw steel plate	Controls	Volume/Tone, Blender, Treble, Middle/Freq, Bass
Scale length	34" / 864 mm	Hardware finish	Chrome
Radius	12" / 305 mm	String gauge	45-105
Frets	22 Medium, 2.7 mm, stainless steel