MXR Phase 90 Phaser Guitar Effects Pedal

The original phaser: Grab yourself a piece of music history! The MXR M-101 Phase 90 Pedal gives you classic phasing with variable speed control. You can add psychedelic shimmer to lead sections or jet-plane whoosh to strummed rhythm parts. Crank the knobs and experiment with one of the simplest must-have effects for your pedal board.The MXR M-101 is powered by single 9V battery or Dunlop ECB-003 AC Adapter