Effect pedal. Sound based on the legendary Boss TW-1 Touch Wah pedal. Highly accurate touch-sensitive wah pedal. Unique sound characteristic differs from other wah units. Buffer bypass. 100% Analog signal path. Zinc-alloy die cast casing to withstand wear and tear. Heavy duty metal pedal switch and on/off status LED. Easy-to-use, readily accessible knobs and switch onboard. Great tone with low noise level. Works great on bass. Dimensions: 94 mm (D) × 48 mm (W) × 39 mm (H). Weight: 280g.