Fender Lost Highway PhaserMade popular in the late 1960s and early 1970s, phasers create a sense of motion and add dimension to your sound. The Lost Highway Phaser brings powerful, flexible analog phasing to your rig. Foot switchable Fast and Slow speedseach with their own independent Rate and Depth controlslet you easily alternate between slow, moody phase shifting all the way to rapid and warped modulation. The Wave toggle switch selects between Sine and Triangle waveforms