Effect pedal. Sound based on the legendary Boss FA-1 FET Amplifier preamp. Compact FET transistor based preamp pedal. Up to 26dB clean boost without any distortion. Works best at the very front of your pedal chain. 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. 2-band peak EQ and low cut toggle switch for flexible tone shaping. Dimensions: 94 mm (D) × 48 mm (W) × 39 mm (H). Weight: 280 g.