Used Synergy MARSHALL JMP Guitar Preamp

Used Synergy MARSHALL JMP Guitar Preamp module in Excellent condition, delivering classic JMP-inspired British crunch with dynamic response and tight low end. Designed for Synergy modular systems, it features all-tube tone and dual-channel versatility with independent Gain and Volume controls plus shared EQ (Bass, Middle, Treble) and Presence for articulate bite. Ideal for everything from vintage rock rhythm to searing lead tones, it nails that unmistakable Marshall-style roar with modern consistency.