Boss ME-90 Guitar Multi-Effects Processor Pedal,Boss ME-90 Multi-Effects Unit,Amazon.com: Boss ME-90B Bass Multi-effects Processor : Musical Instruments,Guitar Pedal X - GPX Blog - Boss's ME-90 Hands-On Knobs-based Multi-FX Pedal is a massive upgrade and replacement for the previous ME-80 Model,The new Boss ME-90 - it's like the ME-80 but 10 more! (An unnecessarily wordy review and comparison.) : r/guitarpedals