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BOSS ML-2 Metal Core Best Guitar Effects Pedal Heavy Metal Pedalboard Ultra-heavy Distortion for Crushing Metal Riffs


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With its extreme gain, the ML-2 is the most potent and heavy distortion pedal ever created by BOSS. It easily delivers massive distortion and gain with heavy lows for playing Nu Metal, Grind Core, Industrial, Hard Core, or any genre that requires crushing sound. The ML-2's ferocious and biting tone will complement and cut through any blast beats your rhythm section can create.

- 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



1. Does the BOSS ML-2 chug?

  • Yes.

2. Does the BOSS ML-2 give you a clear sound?

  • Yes. The BOSS ML-2 is a high-gain pedal but still has clarity and a great tone selection.

3. Does the BOSS ML-2 need power?

  • Yes. It is powered by a 9v battery and can be connected to a power adapter.

4. Can I play thrash metal with the BOSS ML-2?

  • Yes.

5. Can I use the BOSS ML-2 for nu metal instead of the Friedman?

  • Yes. The BOSS ML-2 gives you a tighter sound that is more appropriate for nu metal.

6. Does the BOSS ML-2 work with a violin?

  • Yes. 

7. Does the BOSS ML-2 sound good with a tube amp?

  • Yes! The BOSS ML-2 sounds good through the clean channel of a tube amp. It will give you a much heavier sound.

8. Does the BOSS ML-2 work with bass?

  • Yes. The BOSS ML-2 can add a nice distortion sound to your bass.

9. Does the BOSS ML-2 work with the Vox VX ii?

  • Yes.

10. Where should I place the BOSS ML-2?

  • In front of a clean channel.

11. Can I use the BOSS ML-2 with a GT100?

  • Yes.

12. Does the BOSS ML-2 work with a Fender champion 20?

  • Yes.

13. Is the BOSS ML-2 different from the DS-1?

  • Yes. The BOSS ML-2 is a high-gain pedal, unlike the DS-1.

14. Can I use the BOSS ML-2 to play Metallica songs?

  • Yes.


  • Nominal Input Level: -20 dBu
  • Input Impedance: 1 M ohm
  • Nominal Output Level: -20 dBu
  • Output Impedance: 1 k ohm
  • Recommended Load Impedance: 10 k ohms or greater
  • Bypass: Buffered bypass
  • Controls: Pedal switch, LEVEL knob, LOW knob, HIGH knob, DIST knob
  • Indicator: CHECK indicator (Serves also as battery check indicator)
  • Connectors: INPUT jack, OUTPUT jack, AC adaptor jack (DC 9 V)
  • Power Supply: Alkaline battery (9V, 6LR61), AC adaptor (PSA series: sold separately)
  • Current Draw: 60 mA
  • Expected battery life under continuous use: Alkaline: Approx. 5.5 hours *These figures will vary depending on the actual conditions of use.
  • Accessories:
  • Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
  • Alkaline battery (9V, 6LR61)
  • Options (sold separately): AC adaptor: PSA series

Size & Weight

  • Width: 73 mm (2-7/8 inches)
  • Depth: 129 mm (5-1/8 inches)
  • Height: 59 mm (2-3/8 inches)
  • Weight (including battery): 420 g (15 oz)

* 0 dBu = 0.775 Vrms
* The specifications are subject to change without notice.

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