BOSS Noise Suppressor Pedal with Unique Noise Detection CircuitThe BOSS Noise Suppressor Pedal effectively eliminates noise and hum from your instrument's signal while preserving its natural tone. Features This compact pedal is ideal for silencing pedalboards and effects setups, as well as guitar and bass amplifier systems. With its unique noise detection circuit, it maintains the original attack and envelope of your instrument's sound. The Threshold and Decay knobs provide precise control over the elimination