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Electro-Harmonix Bass Big Muff Pi Distortion / Sustainer 2021 Green

VOLUME KNOB Sets the output level of the distortion. TONE KNOB Provides a range of sounds from high treble to deep bass. SUSTAIN KNOB Adjusts the amount of sustain and distortion. BASS BOOST / NORM / DRY TOGGLE SWITCH In Bass Boost mode, a bass frequency boost is added to the distortion. – In Norm mode, the middle position, you have the pure tone of the classic Big Muff Pi. – In Dry mode, the bottom position, the original dry signal from your instrument is mixed with the output of the distortion circuit. BYPASS SWITCH AND STATUS LED Toggle between effect mode and True Bypass. When the status LED is lit, the effect is active. INPUT JACK Musical instrument input. Plug your instrument into here. DRY OUT JACK Connected directly to the Input jack to allow access to your original bass signal. You can connect this jack to an amplifier or different effects chain. EFFECT OUT JACK The main audio output. Connect it to the input of your amp or another effects pedal.