Boss ST-2 Power Stack Guitar Effects Pedal


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The ST-2 Power Stack delivers the playing feel and power that are hallmarks of stack tube amps

Authentic Amp Stack Sounds from a Stompbox From fat crunch to ultra high-gain distortion, the ST-2 Power Stack delivers famous BOSS distortion with a stunning amount of power that’s akin to coveted tube amps and professional amp stacks.The SOUND knob simultaneously blends gain amount and sound character, so you can quickly dial up anything from vintage crunch and punchy drive to full-assault distortion.

To add further detail to your tone, simply tweak the onboard two-band EQ to taste. The ST-2 is one very unique distortion pedal, calling on Boss’ years of amp modeling research to bring you real stack sounds in a compact stompbox.


  • Original distortion sound reminiscent of tube-based stack amplifiers
  • Provides a wide range of tones, from vintage crunch to ultra high-gain modern distortion
  • Faithful and accurate response to picking nuances and volume changes
  • SOUND knob controls both gain level and sound character
  • Two-band EQ with dedicated BASS and TREBLE knobs
  • Road-tough BOSS construction

Tower of Power
The ST-2 delivers the playing feel and power that are hallmarks of stack amps. It was derived from Boss' extensive analysis of the sound and characteristics of a vast number of classic guitar amps. This distortion effect delivers authentic tone and expression that responds naturally to picking nuances and volume changes on your guitar. But emulation is only the beginning, as the ST-2 has the ability to go beyond the sound of real amps.

Crunch, Drive, Ultra High Gain
The ST-2 lets you enjoy a rich, clean tone when playing soft, and smoothly transition into a fat crunch as you play harder — great for rock ballads or songs that require dramatic tone shifts. Imagine the powerful, driving sound of a stack amplifier. An authentic classic-rock tone is here as well, with crisp overtones. Turn up the SOUND knob for a heavy-metal tone. The ST-2 allows extreme high gain, but offers a powerful low-end and sharp edge at the same time.

The SOUND knob is a controller that is uniquely Boss. Simply set it to the tone type you're looking for. The SOUND knob not only changes gain but sound character as well, from brisk crunch and spectacular drive to earth-shaking ultra high gain.

Road-Tough Boss Construction
Boss compact pedals are world-famous for their great sound as well as their road-tough construction, consistency, and reliability. The ST-2 inherits this Boss-proven design, offering guitarists a solidly constructed pedal that's built to withstand decades of demanding use.

Order your Boss ST-2 Power Stack from Sam Ash Direct today with the security of our 45/60 day return/price protection policy, and be sure to take advantage of our fast, free shipping.

Things You Will Get:

  • Effect Pedal
  • User Guide
Model ST2


by PowerReviews
BossST-2 Power Stack

(based on 2 reviews)

Reviewed by 2 customers

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I Love This Pedal!!

By Steve-V

from Mahopac, New York

About Me Experienced

Verified Reviewer


  • Compact Design
  • Excellent Sound Quality
  • Responsive


    Best Uses

    • Amateur Recording
    • Home Studio

    Comments about Boss ST-2 Power Stack:

    It is the most used pedal on my board. I have quite a few distortion pedals and this is my "go to" pedal. It is very responsive to the way that you play. I just love the way it sounds!


    ST-2 Power Stack

    By KaliforniaKrunch

    from Mountain View,CA

    About Me Experienced

    Verified Reviewer


    • Compact Design
    • Responsive
    • Versatile


      Best Uses

      • Home Studio
      • Performances

      Comments about Boss ST-2 Power Stack:

      The concept of the pedal is good, it really sounds like the distortion channel of a big stack, some metalheads probably find the distortion a little weak, specially when its marked as ultra gain in the control knob. It does a good job but for the name I expected a little more distortion range, like the MT2, you should experiment and see if you like it, for my pedal collection I found it a good piece to keep anyway...

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      ST-2 Power Stack Guitar Effects Pedal

      Effects pedals: 5 years parts, 3 years labor All other products: 1 year parts, 90 days labor