MXR SCRIPT PHASE 90 Phase Shifter Pedal With LEDAdd an MXR Custom Shop Script Phase 90 to your pedalboard and instantly transport your tone back to the early days of rock, when shimmering chords and warbling leads were giving creative guitarists the fuel they needed to redefine modern music. True to the specs of the original Phase 90 model that MXR made up until the late '70s, the Script Phase 90 gives you both the expansive headroom and exceptional clarity that made this such a popular effect,