Check the listing for details. MXR M-107 Phase 100 Phaser. Condition: New. Listed at 149.99 USD. MXR M-107 Phase 100 Phaser The MXR M-107 Phase 100 Phaser. This is the big brother of the Phase 90. It offers a broader range of sounds in a larger unit. Along with the speed control there is a four-position rotary switch that selects four different intensities, defined as preset waveform patterns. Between the intensity and speed settings, you'll find quite a supply of excellent sounds tucked away in this orange casing. Power: Single 9-volt battery or Dunlop ECB-003 AC AdapterControls: Footswitch toggles effect on/bypass (red LED indicates on) - Intensity knob selects one of four preset phase waveforms - Speed knob varies rate of phase sweepFeatures:- 10 stage phaser- Intensity control- Speed control- Stage ready LED- 9v battery or AC power Video courtesy of Dunlop Manufacturing