MXR M83 Bass Chorus Deluxe Pedal w/ 9V Power Supply and Patch Cables Includes 9V Power Supply and (2) 6" Patch Cables! A remarkably versatile bass chorus effect with genuine bucket-brigade technology Separate bass and treble controls let you tune your effect to taste Choose between a glassy analog chorus effect or psychedelic vintage flanging X-Over (crossover) switch roll off the effect at 100Hz and below, clearing up your low end