The Tonebug phase shifter adds a dynamic undulating dimension to your sound. Phasers have been around since the late 60s and are instantly recognizable as a signature part of many great guitarists" sound, including Brian May and Eddie Van Halen. The T-Rex Phaser gives you everything you need for a gorgeous phased sound using just two simple controls: RATE and DEPTH. And it sounds great no matter which settings you dial in from a deep, slow rotation to a light, "watery" shimmer. Phaser comes with two modes: Modern and Vintage. Choose Modern for a crisp, thick-sounding phase, and Vintage for that classic analogue vibe. Phaser is part of the T-Rex Tonebug series, a growing line of pedals that combines the classic T-Rex tone found in our high-end pedals with intuitive, uncomplicated controls all at a price that any guitarist can afford.Modern and Vintage modes Rate and Depth controls Battery or DC powered Rugged construction