The TC Electronic Mimiq Doubler effects pedal puts the sound of your favorite multi-tracked guitar lines onto your pedalboard. With a tap of your toe the Mimiq Doubler instantly simulates all the intricacies and imperfections that create the massive tones of double-tracked guitars. Controls for Tightness Dry Effect and Dubs dial the sound in for a tighter sound a bit looser for a more organic feel or even a sound with up to 4 tracks simultaneously.Only studio use, never gigged. Comes with original box. Barely used!