What Haworth Guitars say:
The Jackson X Series Signature David Ellefson Kelly Bird IV Bass Guitar with Maple Fretboard is a quality electric bass guitar by Jackson.
At Haworth Guitars we love the Jackson X Series Signature David Ellefson Kelly Bird IV Bass Guitar's active 3 band EQ, the Jackson Hi Mass Bridge, compound radius maple fretboard and maple neck as well as the active EMG HZ35 Humbucker Pickups.
What Jackson has to say:
The four-string X Series Signature David Ellefson Kelly™ Bird IV Bass features a basswood body with Ellefson’s signature red pinstripe finish, bolt-on bound maple neck with 21 jumbo frets and block inlays, EMG® pickups, two volume controls and three-band active EQ, Jackson high-mass four-string HM-4 bridge, and Jackson die-cast tuners.
GENERAL MODEL NUMBER 2919191590 SERIES Artist Signature COLOR Red Stripe NUMBER OF STRINGS 4 ORIENTATION Right-Hand BODY BODY FINISH Gloss BODY SHAPE Kelly™ Bird BODY MATERIAL Basswood BODY BINDING Black MISCELLANEOUS STRINGS NPS, .045-.100 Gauges NECK CONSTRUCTION 1-Piece Bolt-On Quartersawn Maple with Graphite Reinforcement and Scarf Joint NECK FINISH Satin NECK BINDING Black SCALE LENGTH 34" (864 mm) FINGERBOARD RADIUS 12" - 16" Compound Radius (304.8 mm to 406.4 mm) FINGERBOARD MATERIAL Maple NUMBER OF FRETS 21 FRET SIZE Jumbo NUT WIDTH 1.625" (41.3 mm) POSITION INLAYS Block TRUSS ROD NUT Truss Rod Adjustment at Nut HEADSTOCK Jackson® Pointed 4-In-Line NECK PLATE Jackson® BRIDGE Jackson HiMass™ TUNING MACHINES Jackson® Branded PICKGUARD None CONTROL KNOBS Dome Style ELECTRONICS BRIDGE PICKUP EMG® HZ35B NECK PICKUP EMG® HZ35N CONTROLS Master Volume (Neck Pickup), Volume (Bridge Pickup), Active 3-Band EQ (Bass, Middle, Treble) PICKUP SWITCHING Blend Control CONFIGURATION HH