Used BOSS ME-50B Effect Processor

Used BOSS ME-50B Bass Multiple Effects Processor in great condition, fully functional with minimal wear. Features include COSM bass amp modeling, dedicated knobs for real-time control, and 23 effects optimized for bass guitar. It offers compression, drive, EQ, modulation, delay, and reverb, plus a built-in expression pedal. Simple, intuitive interface—no menus or complex programming. Perfect for live performance or studio use, with sturdy metal construction built to withstand heavy use. Powered by AC adapter or 6 AA batteries.