Jackson David Ellefson Concert Bass IV in Quicksilver


Megadeth bassist Dave Ellefson’s signature Jackson Concert Bass IV punches well above its weight.

This incredible looking 4-string bass has a light basswood body with Ellefson’s renowned Quicksilver finish, as well as smooth contours to allow you to play comfortably. Also featuring a bolt-on bound maple neck with 21 jumbo frets and sharkfin inlays, Jackson have provided you with a striking-looking instrument at an affordable price.

With EMG pickups and a 3-band Active EQ, this bass delivers high-quality tones which are easy to dial in and tweak.

The Jackson Dave Ellefson Concert Bass IV is the perfect bass if you love hard rock and metal, with an amazing look and sound that will get you attention on stage.

EMG Pickups:

A pair of EMG HZ pickups give you a clear and crisp bass tone with plenty of punch. Their design provides you with a smooth and consistent sound, so you can lay down some technical bass lines without any worries.

Solid Contruction:

The Concert Bass IV has a basswood body - a tonewood that delivers a balanced sound with a solid low-end and mid-range push. The light weight of the body means you can play through an entire gig without feeling fatigue or strain on your back or shoulders. The body also features ergonomic contours, making it comfortable to play for pick or finger-style.

The bolt-on neck gives a fast attack and snappy response, so that notes can really cut through in the mix and get heard. The white binding and sharkfin inlays are an iconic Jackson look, so you have a sharp and expensive-looking bass for a great price.

A HiMass bridge also provides brilliant sustain and clarity, so you can hold onto notes with no sudden decay or loss of tone.

Here’s what Jackson say about the CBX Bass IV:

Designed in conjunction with one of the founding fathers of thrash metal—highly acclaimed bassist David Ellefson of Megadeth—the 4-string David Ellefson CBX IV is a beast of a bass. Bearing his personal touches, packed with enormous Jackson sound and the hyper-fast playability required by the fleet-fingered bassist, this instrument is a force to be reckoned with.

Redesigned ergonomic contours 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 Jackson HiMass™ 4-string bridge sharpens your notes’ attack for extra punch and clarity, granting enhanced sustain without significantly altering the bass’ fundamental tone. An earth-shaking pair of EMG® HZ35 active humbucking pickups in the neck and bridge positions provide plenty of girth and cut as an active 3-band EQ bolsters their native power, shaping and refining it for maximum impact and versatility. The blend knob allows you to mix the pickups to your taste—add more of the neck pickup for a touch of warmth, or bring up the bridge pickup for more cut. Designed for highly technical lightspeed playing, the 12”-16” compound radius rosewood fingerboard flattens out as you move up the neck for increased playing comfort and speedy articulation.

This bass proudly displays Jackson’s distinctive style; all-black hardware, including everything from the bridge to the Jackson die-cast sealed tuning machines, durable gloss finish, pearloid sharkfin neck inlays, single ply white neck binding and Jackson’s signature pointed 4-In-Line headstock along with a white "Radiation" logo and Ellefson’s signature embossed on the truss rod cover. Only one instrument is hardcore enough to keep pace with Ellefson’s technically demanding requirements—the Jackson David Ellefson CBX IV —and now it can be yours.


  • Model Name: X Series Signature David Ellefson Concert™ Bass CBX IV, Dark Rosewood Fingerboard, Quicksilver
  • Model Number: 2916641521
  • Series: Artist Signature
  • Color: Quicksilver


  • Body Shape: Concert™ Bass
  • Body Material: Basswood
  • Body Finish: Gloss Polyester


  • Neck Material: 1-Piece Bolt-On Maple with Scarf Joint
  • Neck Shape: Speed Neck Backshape
  • Neck Binding: 1-Ply White
  • Scale Length: 34" (864 mm)
  • Fingerboard Radius: 12" to 16" Compound Radius (304.8 mm to 406.4 mm)
  • Number of Frets: 21
  • Fret Size: Jumbo
  • String Nut: Black Plastic
  • Nut Width: 1.625" (41.3 mm)
  • Truss Rod Nut: 4 mm Hex
  • Headstock: Jackson® Pointed 4-In-Line
  • Neck Plate: 4-Bolt
  • Neck Finish: Satin Polyester
  • Fingerboard: Dark Rosewood
  • Position Inlays: Pearloid Sharkfin


  • Bridge Pickup: EMG® HZ35B
  • Neck Pickup: EMG® HZ35N
  • Controls: Master Volume, Blend knob, Active 3-Band EQ (Bass, Middle, Treble)
  • Pickup Switching: None
  • Pickup Configuration: HH


  • Bridge: Jackson® High Mass
  • Tuning Machines: Jackson® Sealed Die-Cast
  • Orientation: Right-Hand
  • Pickguard: None
  • Control Knobs: Black Dome Style


  • Strings: NPS, Gauges .045-.110
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