The enhanced version of the venerable Bass Big Muff Pi. Switchable, it's 0dB and 10dB input ensures the pedal is equally effective with passive and active pickups. The built in noise gate eliminates unwanted hum, while the blend control allows you to mix the dry and distorted signals to taste. Foot switchable crossover activates a variable low pass filter on the dry signal and high pass filter on the distorted signal. Features Effect Direct (buffered dry) and XLR DI outputs. Battery included.