Description

Add classic treble-boost sparkle and punch to your rig with this used Keeley Java Boost in good condition. Inspired by vintage Rangemaster-style boosts, it delivers rich harmonic edge, tighter lows, and enhanced note definition—perfect for pushing tube amps into singing overdrive. Simple single-knob operation keeps dialing in your tone fast and musical. Features a true-bypass footswitch, 1/4" input/output jacks, and standard 9V DC power for easy pedalboard integration.

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