HM-2 Heavy Metal

The BOSS HM-2 Heavy Metal is a guitar distortion pedal manufactured by BOSS. It was originally produced from 1983 to 1991 and has been reissued as part of the Waza Craft pedal series. The pedal is designed to emulate the mid-range response of Marshall stacks and is associated with the Swedish death metal sound known as "Chainsaw tone."

Technical specifications:
- Effects type: Distortion pedal
- Controls: Distortion (Dist), highs (H), lows (L), output volume (level), standard and custom mode (Waza Craft)
- Input/output: Mono inputs and outputs

The pedal is known for its "chainsaw tone" when all knobs are set to the maximum. It has gained a cult following in the heavy metal scene and has been used by notable guitarists in various extreme metal styles.