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BOSS OS-2 OverDrive/Distortion Best Guitar Effects Pedal Flexible Distortion Pedal for Producing Blended Overdrive/Distortion Sounds


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The OS-2 gives players a choice of overdrive or distortion or lets them combine both--all in a single compact pedal. Its distortion maintains the subtle nuances of single-coil guitar pickups.

- Flexible distortion pedal capable of producing blended overdrive/distortion sounds
- Provides both "over-the-top" distortion sounds and less extreme overdrive tones for rhythm playing
- Includes Level, Tone, Drive, and Color controls for precise tonal shaping



1. Can I use the BOSS OS-2 with my bass?

  • Yes, the BOSS OS-2 works with a bass.

2. Does the BOSS OS-2 work with batteries?

  • Yes, the BOSS OS-2 uses 9v batteries.

3. Does the BOSS OS-2 change from Overdrive to Distortion?

  • Yes, you can use the knob to change between a crunchy overdrive to distortion.

4. Can I use the BOSS OS-2 to play blues music?

  • Yes, the BOSS OS-2 makes a nice blues sound when stacked with other pedals.

5. What is the difference between the BOSS OS-2 and Rat-2?

  • The BOSS OS-2 has a more versatile tone. It also works as both an overdrive and a distortion pedal.

6. Can I use the BOSS OS-2 to play hard rock, metal, or grunge genres?

  • Yes. The BOSS OS-2 is very versatile. You have to play with the settings to get the sound you want.

7. What is the difference between the BOSS OS-2 and ODB-3?

  • The BOSS OS-2 is a guitar pedal, unlike the ODB-3 which is for bass. It has a distortion effect not present in the ODB-3. The OS-2 has a tone control knob while the ODB-3 has an EQ knob.

8. Can I use the BOSS OS-2 with a Strat?

  • Yes

9. Can I use the BOSS OS-2 as a boost?

  • Yes, the BOSS OS-2 has an overdrive effect that can be used as a boost.

10. Is the BOSS OS-2 noisy?

The BOSS OS-2 can be a little noisy but you can use it with a noise-reduction pedal.

11. Can I stack the BOSS OS-2 with other overdrive pedals?

  • Yes. You can stack the BOSS OS-2 with an SD-1.

12. Can the BOSS OS-2 boost a driven amp?

  • Yes.

13. Is the BOSS OS-2 good for punk or gothic rock?

  • Yes. The BOSS OS-2 is a versatile pedal.

14. Does the BOSS OS-2 have a switch to change between overdrive and distortion?

  • The BOSS OS-2 has a color knob that controls the blend between the overdrive and distortion.


  • 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: COLOR knob, DRIVE knob, TONE knob, LEVEL knob, Pedal switch
  • Indicator: CHECK indicator (Used for indication of check battery)
  • Connectors: INPUT jack: 1/4-inch phone type, OUTPUT jack: 1/4-inch phone type, DC IN jack
  • Power Supply: Carbon-zinc battery (9 V, 6F22) or Alkaline battery (9 V, 6LR61), AC adaptor (PSA series: sold separately)
  • Current Draw: 12 mA
  • Expected battery life under continuous use: Carbon: Approx. 33.5 hours, Alkaline: Approx. 55 hours *These figures will vary depending on the actual conditions of use.
  • Accessories: Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information"), Carbon-zinc battery (9 V, 6F22)
  • 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): 385 g (14 oz)

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

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