Boss ML-2 Metal Core Distortion Effect PedalThe Boss ML 2 Metal Core is a distortion pedal designed for metal guitarists. It has two controls, LOW and HIGH, which allow the user to adjust the EQ of the distortion. The ML 2 produces a very heavy distortion sound with a sharp attack, making it ideal for metal riffs. The LOW control allows the user to add a deep, low end to the sound, even in regular tunings. The HIGH knob controls the tone at higher frequencies adding crisp attack. The Boss ML 2