Jackson X Series Signature David Ellefson 30th Anniversary Concert Bass CBX IV Laurel Fingerboard Quicksilver



Wolf Music Company is a small independent music store which means we do not keep guitars in a box in a warehouse.  We open, inspect, test, photograph and display every instrument that we sell which allows us to capture the grain of the wood to help you make a decision while purchasing online.  This also allows us to package the instruments more securely since often times manufacturers packaging is inadequate.

In most cases the guitar in the photo is the one you will receive but from time to time we may have restocked an item or received more than one, so please message us if you have any requests or specifics.



It has been three decades since Megadeth™'s acclaimed Rust in Peace took the music world by storm, with David Ellefson™'s intricate bass skills and unparalleled playing style cementing the record as one of the finest thrash metal albums of all time.

Jackson proudly celebrates the anniversary of this landmark album with the X Series Signature David Ellefson 30th Anniversary Concert™ Bass CBX IV. Bearing Ellefson™'s personal touches, this monster bass is packed with enormous Jackson sound and the hyper-fast playability required by the fleet-fingered musician.

The poplar body features ergonomic contours that provide the perfect platform for launching a musical assault - the upper contour provides a comfortably stable anchor for pick or fingerstyle playing alike while the lower contour provides perfect balance when propped on a knee for monitor stands. The through-body quartersawn maple neck features a scarf joint and graphite-reinforcement rods that protect against extreme environmental and climate changes. Built for highly technical lightspeed playing, the 12'-16' compound radius laurel fingerboard flattens out as you move up the neck for increased playing comfort and speedy articulation.

Earth-shaking EMG® P and EMG J pickups in the neck and bridge positions provide plenty of girth and cut. Dial in your thunderous bass tone with a three-way toggle switch, single volume control and two-band EQ for boosting treble and bass. The Jackson HiMass™ 4-string bridge sharpens your notes™' attack for extra punch and clarity, granting enhanced sustain without significantly altering the bass™' fundamental tone.

A force to be reckoned with, the X Series Signature David Ellefson 30th Anniversary Concert™ Bass CBX IV displays Jackson™'s distinctive style with an eye-catching Quicksilver finish, all-black hardware, including everything from the bridge to the Jackson sealed die-cast tuning machines, pearloid sharkfin neck inlays and Jackson™'s signature pointed 4-in-line black headstock with black "Radiation" logo and Ellefson's signature on the back.

Product Specs

Model Name

X Series Signature David Ellefson 30th Anniversary Concert™ Bass CBX IV, Laurel Fingerboard, Quicksilver

Model #



Artist Signature

Country Of Origin






Body Finish


Body Shape

Concert™ Bass

Neck Material

Quartersawn Maple

Neck Finish

Gloss Color Matched

Scale Length

34" (86.36 cm)



Fingerboard Radius

12"-16" Compound Radius (304.8 mm to 406.4 mm)

Number of Frets


Frets Size


String Nut

White Plastic

Nut Width

1.625" (41.3 mm)

Position Inlays

Pearloid Sharkfin

Truss Rods

Dual-Action Head Adjust

Truss Rod Wrench


Bridge Pickup


Neck Pickup



Volume, Two-Band EQ (Bass & Treble)

Pickup Switching

3-Position Toggle: Position 1. Bridge Pickup, Position 2. Bridge And Neck Pickups, Position 3. Neck Pickup

Pickup Configuration



Jackson® HiMass™

Hardware Finish


Tuning Machines

Jackson® Sealed Die-Cast



Control Knobs



Nickel Plated Steel (.045-.100 Gauges)


5.00x16.00x42.00 IN

Shipping Weight

11.00 LB


WARNING: Cancer and Reproductive Harm - .


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