Used BOSS ST2 Power Stack Overdrive Effect Pedal

Used BOSS ST-2 Power Stack Overdrive in good condition, delivering authentic stack-style drive from classic crunch to high-gain roar. Built with BOSS reliability, it features Level, Low, High, and Gain controls plus a SOUND knob to switch amp character. Standard 1/4" input/output, runs on a 9V battery or optional 9V DC power supply, and uses a rugged compact pedal enclosure—perfect for tightening up riffs, adding punchy rhythm grit, or singing lead sustain.