The Boss HM-2 Heavy Metal guitar effects pedal is a classic piece of gear that has been used by many guitarists to create heavy, distorted tones. The pedal was first introduced in 1983 and quickly became a favorite among metal and punk rock guitarists.

The HM-2 features four knobs: Level, High, Low, and Distortion. The Level knob controls the overall output volume of the pedal. The High and Low knobs allow you to adjust the tone of the distortion, while the Distortion knob controls the amount of distortion in the signal.

One of the key features of the HM-2 is its ability to produce a unique “chainsaw” sound. This is achieved by cranking up the Distortion and lowering the High and Low knobs. The result is a cutting, aggressive tone that is perfect for heavy metal riffing.

Overall, the Boss HM-2 Heavy Metal pedal is a versatile and powerful tool for any guitarist looking to create heavy, distorted tones.

*Please note that these are not licensed copies of the pedals that they are immitating and whilst they are designed to acheive the same sound, there may be some differences.

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Happy building!