The ME-50 Guitar Multiple Effects is a floor-based multi-effects processor built with the ruggedness and simplicity of a stompbox. Designed to work with your amplifier, the ME-50 focuses on killer multi-effects (like COSM overdrive and distortion) rather than amp modeling. The ME-50 Guitar Multiple Effects is a floor-based multi-effects processor built with the ruggedness and simplicity of a stompbox. Designed to work with your amplifier, the ME-50 focuses on killer multi-effects (like COSM overdrive and distortion) rather than amp modeling. And dialing in your tone is easy, thanks to dedicated knobs for each effect section, three footswitches and a built-in expression pedal. So if you want great-sounding effects without all the menu surfing, the ME-50 is everything you need.Floor-based multi-effects processor with BOSS' most intuitive interface ever30 Preset Patches including delay, modulation, reverb, compressor and moreKiller COSM overdrive/distortion effects including "Square" synth soundDedicated knobs for each effect section - no menus to navigate!Tone Modify function offers Preset EQ settings for quick tone editing3 footswitches for switching effects on and off with a single stompOnboard expression pedal pre-routed to 6 modulation options or volumeRugged metal case with clear panel layout