The MXR M101 Phase 90 guitar effects pedal gives you classic phasing with variable speed control. Add shimmer to lead passages or jet plane resonance to muted strumming. Not just for guitars, the Phase 90 works well with bass, keyboards and even vocals. Vary the speed from a subtle, long cycle to a fast, watery warble with endless vintage vibrations in between.

The MXR M101 is powered by single 9V battery or Dunlop ECB-003 AC adapter (sold separately).