Used Electro-Harmonix XO Worm Analog Modulation Effect Processor

Experience the rich warmth of genuine analog modulation with this used Electro-Harmonix XO Worm Analog Modulation Effect Processor, a reliable and well-maintained pedal that offers four essential effects—tremolo, vibrato, phaser, and auto wah—all in one durable, compact unit. Its 100% analog signal path delivers authentic, expressive tone, ideal for players who value sonic character and vintage-inspired sound. Straightforward controls for rate and mode make it easy to shape your modulation, while an expression pedal input adds dynamic control on the fly. Designed for long-term performance and compatible with a standard 9V power supply or battery (not included), The Worm is a trustworthy addition to any setup, making it a smart choice for musicians who demand quality and versatility from their gear.