{"product_id":"boss-st-2-power-stack-guitar-pedal","title":"Boss ST-2 Power Stack Guitar Pedal","description":"\u003ch2\u003eBoss ST-2 Power Stack Guitar Pedal\u003c\/h2\u003e\n\u003cp data-path-to-node=\"1\"\u003eAn authentic distortion stompbox engineered to replicate the dynamic response and tonal characteristics of a traditional tube-driven stack amplifier.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003eAs part of BOSS’s ongoing development of high-performance signal processors, the ST-2 Power Stack draws upon extensive research into benchmark tube amplifier circuitry. The design intent is to provide players with the dynamic power and harmonic complexity of a cranked stack without the associated volume limitations, bridging the gap between traditional preamp topology and modern pedalboard convenience.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eThe unit is housed in a rugged, road-proven metal chassis measuring 73 × 129 × 59 mm and weighing 410 g. It features standard 1\/4-inch mono input and output interfaces, with an input impedance of 1 M ohm and an output impedance of 1 k ohm. Power is managed via a standard 9 V DC architecture, supporting either a 9 V alkaline battery or an optional PSA-series AC adapter, with an internal current draw of 65 mA.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003eDelivers classic stack-amplifier sounds ranging from warm vintage crunch to modern high-gain distortion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003eIncorporates a multi-stage SOUND knob that simultaneously adjusts gain levels and harmonic character for rapid tone shaping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003eMaintains high signal clarity and touch sensitivity, responding accurately to guitar volume changes and picking articulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003eFeatures a focused, defined low-end response designed to prevent muddy lower frequencies common in high-gain stompboxes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003eEquipped with a dedicated two-band EQ featuring independent BASS and TREBLE controls for precise output tailoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003eBuilt within standard BOSS compact pedal dimensions for seamless integration onto existing pedalboards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003eUtilizes a reliable buffered bypass configuration to maintain signal integrity across long cable runs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003eIncludes clear visual monitoring via a dedicated check indicator for battery status.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003ePowered flexibly via a 9 V battery or external DC power supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"16\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 data-path-to-node=\"17\"\u003eWhat does the SOUND knob on the BOSS ST-2 do?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"18\"\u003eThe SOUND knob is a dual-function control that simultaneously alters the pedal's gain level and overall tonal character. Rotating it transitions the signal smoothly from a mild vintage crunch to a full, high-gain modern distortion stack sound.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"19\"\u003eIs the BOSS ST-2 analog or digital?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"20\"\u003eThe BOSS ST-2 uses digital signal processing (DSP) based on Roland and BOSS amp-modeling research to emulate the dynamic response, compression characteristics, and harmonic feel of a tube-driven stack amplifier.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"21\"\u003eHow do I power the BOSS ST-2?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"22\"\u003eThe pedal can be powered using a standard 9V battery (alkaline recommended due to its 65 mA current draw) or an optional 9V DC center-negative AC adapter (such as the BOSS PSA series).\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"23\"\u003eCan the BOSS ST-2 clean up using my guitar's volume knob?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"24\"\u003eYes. The pedal is specifically engineered to mirror the dynamic behavior of a real tube amplifier. Rolling back your guitar’s volume knob or altering your picking attack lowers the gain amount while keeping the tone clear and expressive.\u003c\/p\u003e","brand":"Boss","offers":[{"title":"Default Title","offer_id":58448334520701,"sku":"ST-2","price":99.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0486\/1870\/0962\/files\/ST-2001.jpg?v=1785254101","url":"https:\/\/www.bonnersmusic.co.uk\/products\/boss-st-2-power-stack-guitar-pedal","provider":"Bonners Music","version":"1.0","type":"link"}