The DV Mark Guitar Tube Marker distortion pedal supplies natural, amp-like distortion, from sweet overdrive to exciting, crunchy distorted tones. Its versatility makes it useful for any style of music. It always honors your guitar's voice, providing very dynamic, touch-sensitive response and a large output range. Like all DV Mark pedals, the Guitar Tube Marker features true-bypass switching. Drive, Level, and Tone controls provide effective shaping that lets you find the perfect tone for your rig.