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 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 modelling research to bring you real stack sounds in a compact stomp box. 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 powerThe 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 gainThe ST-2 lets you enjoy a rich, clean tone when playing soft, and a smooth 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.SOUND knobThe SOUND knob is a controller unique to Boss. Set it to the tone type you're looking for and it not only changes gain but sound character as well, from brisk crunch and spectacular drive to earth-shaking ultra high gain.Road-Tough Boss Build QualityBoss compact pedals are world-famous for their great sound as well as their road-tough construction, consistency, and reliability. The ST-2 inherits this proven design, offering guitarists a solidly constructed pedal that's built to withstand decades of demanding use.Boss ST2 SpecificationsNominal Input Level-20 dBuInput Impedance1 M ohmNominal Output Level-20 dBuOutput Impedance1 k ohmRecommended Load Impedance10 k ohm or greaterPower SupplyDC 9 V: Carbon-zinc battery (9 V, 6F22)Alkaline battery (9 V, 6LR61)AC Adaptor (optional)Current Draw36 mA (DC 9 V)* Expected battery life under continuous use:Carbon: 3 hoursAlkaline: 10 hoursThese figures will vary depending on the actual conditions of use.AccessoriesOwner's Manual, Alkaline battery (9 V, 6LR61)OptionAC adaptor (PSA series)Size and Weight (incl. battery)Width73 mm2-7/8 inchesDepth129 mm5-1/8 inchesHeight59 mm2-3/8 inchesWeight440 g1 lbs.* 0 dBu = 0.775 VrmsIn the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.
