Built for a Thrash Metal Titan David Ellefson's muscular bass lines have powered Megadeth's hard-hitting metal anthems throughout the band's illustrious tenure. Likewise, his Signature Kelly Bird IV is a formidable beast that befits a thrash titan. EMG 35HZ humbuckers deliver a pronounced punch, laser-focused mids, and hyper-fast low-frequency response, while an active 3-band EQ supplies you with endless tone-sculpting options. You'll appreciate the rock-solid stability afforded by the Signature David Ellefson Kelly Bird IV's graphite-reinforced quartersawn maple neck, while your fingers slide effortlessly up and down a compound-radius fingerboard. A Jackson HiMass bridge exhibits rapid attack and robust sustain, while Jackson die-cast tuning machines ensure reliable tuning stability. Primed for the endgame, the Jackson X Series Signature David Ellefson Kelly Bird IV was tailor-made for fleet-fingered brutality.Powerful passive ceramic EMG 35HZ humbuckers The Signature David Ellefson Kelly Bird IV is a veritable sonic leviathan, thanks to its EMG 35HZ