Used Keeley Mesmer Effect Pedal

Discover the Used Keeley Mesmer effect pedal in great condition, delivering lush, hypnotic modulation for guitar and bass. Built with rugged metal construction, it features an intuitive control layout for quickly dialing in rich texture and movement, from subtle shimmer to deep, swirling tones. Designed for standard pedalboard setups, it runs on 9V DC center-negative power and offers true-bypass switching for a clean signal path when disengaged.