Used T-rex Engineering GRISTLE KING Effect Pedal

Unleash massive low-end drive with this used T-REX ENGINEERING GRISTLE KING bass overdrive pedal, in great condition. Designed to add gritty tube-like growl while keeping your fundamental intact, it features independent Drive and Clean blend controls, plus dedicated Bass and Treble EQ for precise shaping. Rugged, stage-ready construction and straightforward knob layout make dialing in anything from subtle warmth to full-on grind quick and easy. Powered by standard 9V DC (center-negative).