EBS Effects MultiDrive Studio EditionHE EBS MULTIDRIVE STUDIO EDITION IS A 'CLASS A' OVERDRIVE PEDAL, CAPABLE OF PRODUCING SUSTAIN, OVERDRIVE AND MANY OTHER USEFUL 'TUBE AMP' DISTORTION SOUNDS. Spice up your sound! The MultiDrive is considered an overdrive, more than a distortion pedal. The mode switch selects Tubeism, Standard or Flat overdrive type sounds. All with a preserved bottom since the pedal let through the low frequencies untouched and solid. With guitar, it provides a