MXR EVH90 EVH PHASE 90MXR EVH90 EVH Phase 90 Effects Pedal This pedal features both Script and Block style phasing with graphics inspired by Eddie Van Halen's legendary Frankenstein guitar. This pedal can be powered by a 9 volt battery, a Dunlop ECB003 9 volt adapter, or the DC Brick, Iso Brick, and Mini Iso Brick power supplies (not included). THE LONG STORYGrab a piece of Eddie's magic with the MXR EVH 90 a collaboration between Eddie Van Halen and Dunlop Manufacturing