Boss ML-2 Metal Core Effects Pedal

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  • Boss' Most Potent & Heavy Distortion Pedal
  • Shard-Edged Attack Ideal for Crushing Riffs
  • Low & High Controls Offer Screaming & Low Tones
  • Perfect for Nu Metal, Grind Core, Industrial & Hard Core
  • Road-Worthy Metal Construction

Boss ML-2 Metal Core Effects Pedal

The Boss ML-2 Metal Core Effects Pedal gets its name from the excessive amounts of distortion it delivers, offering an ultra-heavy tone with a sharp-edged attack ideal for crushing metal riffs. As Boss' most potent and heaviest distortion pedal, the ML-2 delivers plenty of ferocity and bite to suit everything from Nu Metal, Grind Core, Industrial, and Hard Core. Its four-control setup allows players to dial in the perfect level of tonal destruction as required, with the low and high dials providing excellent tone shaping. Metal to its core, the Boss ML-2 Effect Pedal is the perfect companion for players wanting to send their sound over the edge and into sonic oblivion.

This Pedal is Eligible for Boss Collectors Club.

Product Ref: 10208

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Metal to its Core

The ML-2 Metal Core Pedal offers the most potent and heavy distortion Boss created, deliver a ferocious and biting tone suitable for Nu Metal, Grind Core, Industrial, Hard Core, and anything that requires crushing sounds. Its low control offers the heavy, low frequencies ideal for 7-string guitars and drop tunings, while its high control delivers screaming, metallic-like soundscapes. Everything you dial in with its four controls will complement and cut through even the densest mixes, ensuring your sound can still be heard amongst all the blast beats.


  • Ultra-heavy distortion with sharp-edged attack for crushing metal riffs
  • LOW control for heavy, low frequency sound a la 7-string guitar or dropped tuning
  • HIGH control for screaming, metallic tone
  • Road-tough BOSS metal construction



  • Nominal Input Level: -20 dBu
  • Input Impedance: 1 Mohm
  • Nominal Output Level: -20 dBu
  • Output Impedance: 1 kohm
  • Recommended Load Impedance: 10 kohms or Greater
  • Controls: Level, Low, High, Distortion, Pedal Switch
  • Indicator: Check Indicator
  • Connectors: 1/4'’ Input Jack, 1/4'’ Output Jack, DC in Jack
  • Power Supply: DC 9V
    • Dry Battery 6F22 (9 V) Type (Carbon)
    • Dry Battery 6LR61 (9 V) Type (Alkaline)
    • AC Adaptor (PSA Series: Sold Separately)
  • Current Draw: 36 mA (DC 9 V)
  • Expected Battery Life Under Continuous Use:
    • Carbon: Approx. 3 Hours
    • Alkaline: Approx. 10 Hours
  • Accessories: Owner's Manual, Leaflets, Alkaline Dry Battery 006P/9V (9V, 6LR61)


  • Width: 2.875’’ (73 mm)
  • Depth: 5.125’’ (129 mm)
  • Height: 2.375’’ (59 mm)
  • Weight: 0.44kg (1 lbs)