PHASER PEDAL Phaser effect pedal. Legendary analog phaser sound with 40 years of history. The Phasor 201 adds more subtle 2-stage phasing, offering greater clarity and articulation at higher speeds. Speed ​​control (Speed). The potentiometer controls the depth and speed of the effect. True Bypass. Metallic chassis. Blue power LED. 9v battery. or optional feeder. Dimensions: 11.9 x 6.7 x 5.7cm. Weight: 281g.