The MXR Phase 90 50th-anniversary pedal marks five decades of what's arguably the most iconic phaser guitar effects pedal of all time. From Edward Van Halen to Tom Morello to John Mayer, everybody loves the Phase 90. Stomp on this pedal, and you can add a touch of shimmer to your solos or inject chords and muted strumming with smooth, watery effects. Walk on the wild side by cranking the Phase 90's Speed knob for a fast, untamed warble. This 50th-anniversary MXR Phase 90 brandishes a special-edition gold finish that's guaranteed to turn heads when you plant this stompbox on your pedalboard.