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Boss ST-2 Powerstack Guitar Effects Pedal


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  • Awesome sounds reminiscent of tube-based amplifier stacks
  • Responds faithfully to your playing/picking style, as well as changes in volume for a truly unique tone
  • SOUND Knob allows you to define your tone, taking it from a cool plexi-inspired tone to a massive full on roaring stack
  • Control both gain level and sound character with the greatest of ease
  • Two-band EQ with dedicated BASS and TREBLE knobs
  • Road-ready BOSS construction makes this a touring guitarist's dream
  • Includes BOSS' five-year warranty
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight, Channel Islands and the Republic of Ireland. is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland*FREE on orders over £75 £4.45 on orders under £751-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands Republic of Ireland£12.95 – any order value up to 30kg Over 30kg - please call1-3 working days
OverseasPlease call for detailsPlease call

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The Boss ST-2 Power Stack is a hard rockin' amp stack in a compact pedal. Obviously it does not have a power amp or speakers, so you won't get the loudness of a 300W tube amp through two 4x12 cabs (unless you plug this pedal into one), but you will get the tone, dynamic response and rich overdrive sounds. This is a huge sounding pedal, and it even responds dynamically when you plug in a booster pedal to it, so you can push it exactly as you would push a tube amp and get a satisfying overdrive response.

The tones of the ST-2 range from clean/crunch 'on-the-edge' settings to metal 'chug'. 'On-the-edge' tones are where your lighter playing comes through clean, while your heavier plucks and strums tip into overdrive for a very dynamic performance, that is killer for rock ballads and guitar intros. Turn up the Sound knob to a medium setting and you'll start getting into true classic rock stack overdrive sounds, with punchy, crisp overtones and a warm fizz. Turn the Sound knob to Ultra and you get high gain, shred-friendly overdrive that'll give a pure metal chug and a lead tone that'll provide the brilliance and sustain needed for excellent sweep picking and tapping.

Boss have done it again with the ST2 Power stack. A pedal that offers all the gain levels and dynamic response of a classic stack, all achieved with just three knobs, and all encased in a heavy-duty metal body that will stand up to professional touring use.

ModelST-2 Powerstack Guitar Effects Pedal
Dimensions (H x W x D)59 x 73 x 129mm
Weight440 g
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 ohm or greater
Power Supply DC 9 V: Carbon-zinc battery (9 V, 6F22)
Alkaline battery (9 V, 6LR61)
AC Adaptor (optional)
Current Draw 36 mA (DC 9 V) * Expected battery life under continuous use:
Carbon: 3 hours
Alkaline: 10 hours
These figures will vary depending on the actual conditions of use.
Included Accessories Owner's Manual, Alkaline battery (9 V, 6LR61)
Optional Accessories AC Adaptor (PSA series)
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