Electro-Harmonix NANO BATTALION BASS Mosfet OverdriveDesigned for electric bass players, the Electro Harmonix Nano Battalion is a bass preamp, overdrive, and EQ pedal. It sports a MOSFET drive circuit that can give you a subtle growl or a heavily saturated overdrive. Set the drive knob however you like, and then mix it in with clean signal using the Blend knob. A Tone knob mitigates brightness in the distorted signal path. The Nano Battalion's EQ circuit can be switched into the signal path in three