BOSS ME-50B Bass Multi Effects Pedal w/ Power Supply and (2) 10' Guitar Cables Floor bass multi-effects processor with super easy, knob-based controls Killer COSM Compressor/Limiter and Drive effects, plus T-Wah, Slow Gear, Defretter, and much more Innovative Sound Hold function sustains a low note while playing over it Sound-on-sound recording with new Kick Drum effect for keeping time Dedicated knobs for each effect section-no menu-surfing!